"service manual"
Contents
1. Thermostat Water inlet Radiator JPBIA2364GB Revision 2009 March CO 27 2009 FX35 FX50 DESCRIPTION lt SYSTEM DESCRIPTION gt VK50VE Engine Cooling System Schematic INFOID 0000000003890749 Thermostat Closed Radiator tank Water inlet ay Thermostat Thermostat housing Oil cooler Water pump Cylinder block Cylinder head Heater Electric throttle control actuator JPBIA2411GB Revision 2009 March CO 28 2009 FX35 FX50 OVERHEATING CAUSE ANALYSIS lt SYMPTOM DIAGNOSIS gt SYMPTOM DIAGNOSIS OVERHEATING CAUSE ANALYSIS Troubleshooting Chart Symptom VK50VE INFOID 0000000003890750 Check items Poor heat transfer Water pump malfunction Worn or loose drive belt Thermostat stuck closed Damaged fins Dust contamination or pa per clogging Physical damage Clogged radiator cooling tube Excess foreign material rust dirt sand etc Reduced air flow Cooling fan does not oper ate High resistance to fan rota tion Damaged fan blades Fan assembly Damaged radiator shroud Improper engine coolant Cooling sys mixture ratio a tem parts l malfunction Poor engine coolant quality Engine coolant density Insufficient engine coolant Revision 2009 March Engine coolant leakage f Loose clamp Cooling hose Cracked hose Water pump Poor sealing Loose Radi2. Revision 2009 March CO 23 2009 FX35 FX50 WATER OUTLET AND WATER PIPING lt REMOVAL AND INSTALLATION gt VQ35HR WATER OUTLET AND WATER PIPING Exploded View INFOID 0000000003890742 SEC 210 211 253 N 2 2 16 x d p SJ lt 11 0 1 1 8 KE 10 11 0 1 1 8 ez JPBIA2319GB 1 Clamp 2 Water hose 3 Harness bracket 4 Engine coolant temperature sensor 5 Heater hose 6 Clamp 7 Water outlet rear 8 Gasket 9 O ring 10 Water outlet pipe 11 Water outlet front 12 Radiator cap 13 Clamp 14 Radiator hose upper 15 Gasket 16 Water pipe 17 Clamp 18 Water hose 19 Water hose 20 Gasket 21 Heater pipe 22 Clamp 23 Water hose 24 Water hose 25 Water bypass pipe 26 O ring 27 Heater hose A To electric throttle control actuator B Toheater core To radiator bank 1 D To oil cooler E To electric throttle control actuator bank 2 Refer to Gl 4 Components for symbols in the figure Re m oval a nd n stal lat i O n INFOID 0000000003890743 REMOVAL 1 Remove engine undercover with power tool 2 Drain engine coolant from drain plugs on radiator and cylinder block Refer to CO 8 Draining and EM 92 Setting CAUTION e Perform this step when the engine is cold Revision 2009 March CO 24 2009 FX35 FX50 WATER OUTLET AND WATER PIPING lt REMOVAL AND INSTALLATION gt VQ35HR e Never spill engine coolant on drive belt Remove engine cover Refer to EM 27 Exploded View Remove air duct
3. WARNING Never remove radiator cap when engine is hot Serious burns could occur from high pressure engine coolant escaping from water inlet CAUTION Higher test pressure than specified may cause radiator dam JPBIA2344ZZ age NOTE In a case that engine coolant decreases fill radiator with engine coolant If anything is found repair or replace damaged parts D ral n l n d INFOID 0000000003890754 WARNING e Never change engine coolant when the engine is hot to avoid being scalded e Wrap a thick cloth around radiator cap and carefully remove radiator cap First turn radiator cap a quarter of a turn to release built up pressure Then turn radiator cap all the way 1 Open radiator drain plug 2 at the bottom of radiator and then remove radiator cap 1 Engine under cover A Radiator drain plug hole lt Vehicle front JPBIA2345ZZ When draining all of engine coolant in the system open water drain plug on cylinder block Refer to EM 202 Setting 2 Remove reservoir tank if necessary and drain engine coolant and clean reservoir tank before installing 3 Check drained engine coolant for contaminants such as rust corrosion or discoloration Revision 2009 March CO 33 2009 FX35 FX50 ENGINE COOLANT lt PERIODIC MAINTENANCE gt VK50VE If contaminated flush the engine cooling system Refer to CO 35 Flushing R ef i i n d INFOID 0000000003890755 1 Remove engine cover and engine room cove
4. Be sure to clean drain plug and install with new O ring Tightening torque Refer to CO 14 Exploded View If water drain plugs on cylinder block are removed close and tighten them Refer to EM 118 Dis assembly and Assembly Revision 2009 March CO 10 2009 FX35 FX50 ENGINE COOLANT lt PERIODIC MAINTENANCE gt VQ35HR 2 Remove air relief plug 1 on heater hose models with air relief plug on heater hose 2 Heater hose lt Vehicle front 3 Remove air relief plug 2 on radiator 1 Reservoir tank 3 Engine cover lt Vehicle front JPBIA0260ZZ 4 Fill radiator with water until water spills from the air relief holes then close air relief plugs Fill radiator and reservoir tank with water and reinstall radiator cap Tightening torque Refer to CO 14 Exploded View Run the engine and warm it up to normal operating temperature Rev the engine two or three times under no load Stop the engine and wait until it cools down Drain water from the system Refer to CO 8 Draining Repeat steps 1 through 8 until clear water begins to drain from radiator 0 Check that the reservoir tank cap is tightened ON Ol Revision 2009 March CO 11 2009 FX35 FX50 RADIATOR lt PERIODIC MAINTENANCE gt VQ35HR RADIATOR RADIATOR CAP RADIATOR CAP z Inspection INFOID 0000000003890727 e Check valve seat of radiator cap Check if valve seat A is swollen to the extent that the edge of the m
5. age NOTE In a case that engine coolant decreases fill radiator with engine coolant If anything is found repair or replace damaged parts D ral n l n d INFOID 0000000003890724 WARNING e Never change engine coolant when the engine is hot to avoid being scalded e Wrap a thick cloth around radiator cap and carefully remove radiator cap First turn radiator cap a quarter of a turn to release built up pressure Then turn radiator cap all the way 1 Open radiator drain plug 2 at the bottom of radiator and then remove radiator cap 1 Engine under cover A Radiator drain plug hole lt m Vehicle front JPBIA0259ZZ When draining all of engine coolant in the system open water drain plugs on cylinder block Refer to EM 92 Setting 2 Remove reservoir tank as necessary and drain engine coolant and clean reservoir tank before installing 3 Check drained engine coolant for contaminants such as rust corrosion or discoloration Revision 2009 March CO 8 2009 FX35 FX50 ENGINE COOLANT lt PERIODIC MAINTENANCE gt VQ35HR If contaminated flush the engine cooling system Refer to CO 10 Flushing Refi i n d INFOID 0000000003890725 1 Remove engine cover Refer to EM 27 Exploded View CO 2 Install reservoir tank if removed and radiator drain plug CAUTION Be sure to clean drain plug and install with new O ring Tightening torque Refer to CO 14 Exploded View If water drain plugs o
6. 2 N m 0 12 kg m 11 in Ib 8 Repeat step 6 9 When engine coolant overflows air relief hole on heater hose install air relief plug with new O ring Then refill radiator with engine coolant e 1 2 N m 0 12 kg m 11 in Ib 10 Install radiator cap 11 Warm up engine until opening thermostat Standard for warming up time is approximately 10 minutes at 3 000 rpm e Check thermostat opening condition by touching radiator hose lower to see a flow of warm water CAUTION Watch water temperature gauge so as not to overheat engine 12 Stop the engine and cool down to less than approximately 50 C 122 F Cool down using fan to reduce the time e If necessary refill radiator up to filler neck with engine coolant 13 Refill reservoir tank to MAX level line with engine coolant 14 Repeat steps 10 through 13 two or more times with radiator cap installed until engine coolant level no longer drops 15 Check cooling system for leakage with engine running 16 Warm up the engine and check for sound of engine coolant flow while running engine from idle up to 3 000 rpm with heater temperature controller set at several position between COOL and WARM e Sound may be heard from the heater unit 17 Repeat step 16 three times 18 If sound is heard bleed air from cooling system by repeating step 6 and steps from 10 to 17 until engine coolant level no longer drops 19 Check that the reservoir tank cap is tightened F
7. Cylinder head gasket deteri oration 2009 FX35 FX50 OVERHEATING CAUSE ANALYSIS lt SYMPTOM DIAGNOSIS gt Check items Symptom VQ35HR Except cool ing system parts mal function Overload on engine Abusive driving High engine rpm under no load Driving in low gear for ex tended time Driving at extremely high speed Powertrain system malfunc tion Installed improper size wheels and tires Dragging brakes Improper ignition timing Blocked or restricted air flow Blocked bumper Blocked radiator grille Installed car brassiere Mud contamination or paper clogging Blocked radiator Blocked condenser Blocked air flow Installed large fog lamp Revision 2009 March CO 5 2009 FX35 FX50 PRECAUTIONS lt PRECAUTION gt VQ35HR PRECAUTION PRECAUTIONS Precaution for Supplemental Restraint System SRS AIR BAG and SEAT BELT P R E T E N S O N E R INFOID 0000000005 188066 The Supplemental Restraint System such as AIR BAG and SEAT BELT PRE TENSIONER used along with a front seat belt helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision This system includes seat belt switch inputs and dual stage front air bag modules The SRS system uses the seat belt switches to determine the front air bag deployment and may only deploy one front air bag depending on the
8. E tit E antennae 8 Refilling gett ergeet es g SERVICE DATA AND SPECIFICATIONS FIUSHING WEE mm SDS sssssssssneneenenenenunuenenununnnnnnenununnnnnnanunnnnenenenne 26 Periodical Maintenance Specification 26 RADIATOR geet edu 12 EE PET EE AAEE E 26 RADIATOR CAP csssssssssssssssssssssssnssessessssssesunssnsssene ja eoe nine yksoyg UT RADIATOR CAP Inspection seenen 12 GE 142 SYSTEM DESCRIPTION snn nnnrrrrrrrenesenenns 27 EE 17 DESCRIPTION ccsesccosssccstsecssssesccsseeesssseesseseeseees 27 REMOVAL AND INSTALLATION eaiaaaaaann 14 Engine Cooling System ee DH 27 Engine Cooling System Schematic 0 0008 28 RADIATOR i tege eege eege ege 14 Revision 2009 March CO 1 2009 FX35 FX50 SYMPTOM DIAGNOSIS eent 29 REMOVAL AND INSTALLATION 39 OVERHEATING CAUSE ANALYSIS ap RADIATOR nn statin adi hei 39 Troubleshooting Chart cccccesseceseeeesseeeeeeees 29 Exploded View esia i nrar ER 39 Removal and Installation cccsceeeeeeeteeeeees 39 PRECAUTION sssscscsssessessressnsenseennsneeees 31 SPOOR etches ae a at ee est Coos 41 PRECAUTIONS ssssssssssersssrssssesssnensnensaensnenenen 21 COOLING FAN ecssssesssessssseessssssnsnseseeeeeeanes 42 Precaution for Supplemental Restraint System Exploded VIEW tinisct red serouetsiucestcunt inte Uorsiace test ade 42 SRS AIR BAG and SEAT BELT PRE TEN Removal and Installation o n 42 IONER tee E te ege 3
9. service tool Refer to CO 33 Inspection e Start and warm up the engine Visually check that there is no leakage of engine coolant Revision 2009 March CO 45 2009 FX35 FX50 WATER INLET AND THERMOSTAT ASSEMBLY lt REMOVAL AND INSTALLATION gt VK50VE WATER INLET AND THERMOSTAT ASSEMBLY Exploded View INFOID 0000000003890769 SEC 210 211 278 DI 22 0 2 2 16 DI 22 0 2 2 16 JPBIA2318GB 1 Radiator cap 2 Water inlet 3 Clamp 4 Water suction hose 5 Water suction pipe 6 Clamp 7 Water hose 8 Water hose 9 Gasket 10 O ring 11 Heater pipe 12 Gasket 13 Water connector 14 O ring 15 Water pipe 16 Clamp 17 Water hose 18 Water pipe 19 Gasket 20 Thermostat housing 21 Thermostat 22 Gasket A To electric throttle control actuator B To radiator C To reservoir tank D To oil cooler E To heater Refer to Gl 4 Components for symbols in the figure Removal and Installation WE REMOVAL 1 Remove engine cover and engine room cover RH and LH Refer to EM 174 Exploded View Revision 2009 March CO 46 2009 FX35 FX50 WATER INLET AND THERMOSTAT ASSEMBLY lt REMOVAL AND INSTALLATION gt VK50VE 2 Remove air duct inlet Refer to EM 177 Exploded View 3 Remove reservoir tank Refer to CO 39 Exploded View 4 Remove engine undercover with power tool 5 Drain engine coolant from drain plugs on radiator and cylinder block Refer to CO 33 Draining and EM 202 Setting
10. severity of a collision and whether the front occupants are belted or unbelted Information necessary to service the system safely is included in the SRS AIR BAG and SEAT BELT of this Service Manual WARNING e To avoid rendering the SRS inoperative which could increase the risk of personal injury or death in the event of a collision which would result in air bag inflation all maintenance must be performed by an authorized NISSAN INFINITI dealer e Improper maintenance including incorrect removal and installation of the SRS can lead to personal injury caused by unintentional activation of the system For removal of Spiral Cable and Air Bag Module see the SRS AIR BAG e Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this Service Manual SRS wiring harnesses can be identified by yellow and or orange harnesses or har ness connectors PRECAUTIONS WHEN USING POWER TOOLS AIR OR ELECTRIC AND HAMMERS WARNING e When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the ignition ON or engine running DO NOT use air or electric power tools or strike near the sensor s with a hammer Heavy vibration could activate the sensor s and deploy the air bag s possibly causing serious injury e When using air or electric power tools or hammers always switch the ignition OFF disconnect the battery and wait at least 3 minutes before performing any servic
11. side 9 blades Left side 11 blades e Secure the harness tightly to the fan shroud to prevent the fan rotation area from being slack n S pect i O n INFOID 0000000003890735 INSPECTION AFTER REMOVAL Check that fan motors operate normally NOTE Cooling fans are controlled by cooling fan control module For details refer to EC 466 Description INSPECTION AFTER DISASSEMBLY Cooling Fan Inspect cooling fan for crack or unusual bend e If anything is found replace cooling fan Revision 2009 March CO 18 2009 FX35 FX50 WATER PUMP lt REMOVAL AND INSTALLATION gt VQ35HR WATER PUMP Exploded View INFOID 0000000003890736 SEC 130 135 210 J 8 1 0 83 72 JPBIA0270GB 1 Timing chain tensioner primary 2 Water pump 3 O ring 4 O ring Identify with light blue paint mark Apply engine coolant Refer to Gl 4 Components for symbols in the figure A Identify with yellow paint mark Re m oval a n d n stal ati O n INFOID 0000000003890737 CAUTION e When removing water pump assembly be careful not to get engine coolant on drive belt e Water pump cannot be disassembled and should be replaced as a unit e After installing water pump connect hose and clamp securely then check for leakage using the radi ator cap tester commercial service tool and the radiator cap tester adapter commercial service tool REMOVAL Remove engine cover Refer to EM 27 Exploded View Release the fuel pressure
12. strike near the sensor s with a hammer Heavy vibration could activate the sensor s and deploy the air bag s possibly causing serious injury e When using air or electric power tools or hammers always switch the ignition OFF disconnect the battery and wait at least 3 minutes before performing any service Revision 2009 March CO 31 2009 FX35 FX50 PREPARATION lt PREPARATION gt VK50VE Commercial Service Tools INFoID 0000000003890752 Tool name Description Power tool Loosening bolts and nuts PBIC0190E Radiator cap tester Checking radiator and radiator cap PBIC1982E Radiator cap tester adapter Adapting radiator cap tester to radiator cap and water inlet filler neck se a 28 1 10 dia b 31 4 1 236 dia f HH c 41 3 1 626 dia amp ani ints Unit mm in S NT564 Revision 2009 March CO 32 2009 FX35 FX50 ENGINE COOLANT lt PERIODIC MAINTENANCE gt VK50VE PERIODIC MAINTENANCE ENGINE COOLANT n S pect i O n INFOID 0000000003890753 LEVEL e Check if the reservoir tank engine coolant level is within the MIN to MAX when the engine is cool A MAX B MIN e Adjust the engine coolant level if necessary e Check that the reservoir tank cap is tightened JPBIAO102ZZ LEAKAGE e To check for leakage apply pressure to the cooling system with the radiator cap tester and radiator cap tester adapter commercial service tool A Testing pressure Refer to CO 49 Radiator
13. water again to all radiator core surfaces once per minute Revision 2009 March CO 37 2009 FX35 FX50 RADIATOR lt PERIODIC MAINTENANCE gt VKSOVE 3 Stop washing if any stains no longer flow out from radiator 4 Blow air into the back side of radiator core vertically downward e Use compressed air lower than 490 kPa 5 kg cm 71 psi and keep distance more than 30 cm 11 8 in 5 Blow air again into all the radiator core surfaces once per minute until no water sprays out Revision 2009 March CO 38 2009 FX35 FX50 RADIATOR lt REMOVAL AND INSTALLATION gt VK50VE REMOVAL AND INSTALLATION RADIATOR Exploded View Bee SEC 214 a 6 ___ _ 1 2 0 12 11 W Hog JPBIA2317GB 1 Upper mount bracket 2 Mounting rubber upper 3 Radiator Mounting rubber lower 5 Clamp 6 Radiator hose lower Radiator hose upper 8 Drain plug 9 O ring 10 Water drain hose 11 O ring 12 Air relief plug 13 Clamp 14 A T fluid cooler hose 15 A T fluid cooler hose 16 Cooling fan assembly 17 Grommet 18 Reservoir tank 19 Reservoir tank hose 20 Reservoir tank hose 21 Clamp 22 Reservoir tank cap A To water inlet inlet side B To water suction pipe C To water inlet outlet side D To A T fluid cooler pipe Refer to Gl 4 Components for symbols in the figure Removal and Installation ANE REMOVAL Revision 2009 March CO 39 2009 FX35 FX50 RADIATOR lt REMOVAL AND INSTALLATION gt VKSOVE WARN
14. 00003890733 REMOVAL 1 Drain engine coolant Refer to CO 8 Draining 2 Remove reservoir tank Refer to CO 39 Exploded View 3 Remove air cleaner case bank 1 and bank 2 Refer to EM 29 Exploded View 4 Remove mounting bolt from high pressure flexible hose bracket Refer to HA 40 Exploded View 5 Remove radiator hose upper Refer to CO 14 Exploded View 6 Disconnect harness connector from cooling fan control module and move harness to aside 7 Remove cooling fan assembly CAUTION Be careful not to damage or scratch on radiator core INSTALLATION Note the following and install in the reverse order of removal CAUTION Only use genuine parts for cooling fan mounting bolt and observe the specified torque to prevent radiator from being damaged Disassembly and Assembly INFOID 0000000003890734 DISASSEMBLY 1 Disconnect harness connector from cooling fan control module 2 Remove cooling fan control module from cooling fan assembly CAUTION Handle carefully to avoid dropping and impact Revision 2009 March CO 17 2009 FX35 FX50 COOLING FAN lt REMOVAL AND INSTALLATION gt VQ35HR 3 Remove cooling fan mounting nuts and then remove the cooling fan RH and LH 4 Remove fan motors RH and LH ASSEMBLY Note the following and assemble in the reverse order of disassembly CAUTION RH and LH cooling fans are different Be careful not to misassemble them e Install each fan in the following position Right
15. 1 Disassembly and Assembly leie alsin te eE 42 PREPARATION cocccccccccccccccceccccccecececcccecececes SS fe ee 43 VE WK RETTEN 44 PREPARATION EE EE TEEN 32 Exploded View A4 Commercial Service Tools En 32 Removal and Installation o n 44 PERIODIC MAINTENANCE 33 leede 45 ENGINE COOLANT cccccecceeeeeeeeeeeeeeeeeeeeneens 33 Weieng INLET AND THERMOSTAT ASSEM i lafe EE 339 EE KEREN PYM TEE 33 SE 6 SE EE per EE E ee 8 PIUSNING seit eter ite aetna ceived 35 EE 4 RADIATOR E 37 SERVICE DATA AND SPECIFICATIONS SDS eege eg 49 RADIATOR CAP eege ee een 37 RADIATOR CAP Inspection c c cccecceeeeeeeees 37 SERVICE DATA AND SPECIFICATIONS DDS WEEN 49 RADIATOR DUTOT DUTOT 37 Periodical Maintenance Specification GE eeler a 49 RADIATOR INSPp Ction En 37 elteren sete 49 Thermostat Alec ew eee aaa 49 CO 2 Revision 2009 March 2009 FX35 FX50 DESCRIPTION lt SYSTEMDESORIPTION gt VS SYSTEM DESCRIPTION DESCRIPTION Engine Cooling System inFo10 0000000009880716 To heater To electric throttle control actuator From heater t r t Cylinder block RH Cylinder block LH From electric throttle control actuator i 1 d Cylinder head Oil cooler of ee bank 2 Water inlet Cylinder head bank 1 Radiator JPBIA1198GB Engine Cooling System Schematic INFO1D 0000000003890719 ee Reservoir tank Thermostat Thermostat Ia Ir housing Water pump A Cylinder
16. ENGINE SECTION C O ENGINE COOLING SYSTEM VQ35HR Exploded View cccccccsccsescsccsessscsssseceseesssesseseceees 14 Removal and Installation 00 eecseeeeeeseeeeeeeeeaes 14 SYSTEM DESCRIPTION eeeeeeeeees 3 ASS CH EEN 16 DESCRIPTION eege ee ee Eeeeeeeee 3 COOLING FAN RE 17 Engine Cooling System ccccceseeeereeeteeeeeeees 3 Exploded View AANEREN 17 Engine Cooling System Schematic 0 0 3 Removal and Installation 17 Disassembly and Assembly ccceeeeeeeteeeeeeneaes 17 SYMPTOM DIAGNOSE 4 Inspection eree eiai ett eet 18 OVERHEATING CAUSE ANALYSIS 4 WATER PUMP scsssistsiteccssuatisavsnssusensvavessvaesaiiiners 19 Troubleshooting Chart EE 4 Exploded WIG Ws tegen night beet er 19 Removal and Installation 20 eecseeeeeesteeeeeeeeaes 19 PRECAUTION En S dee EI 21 PRECAUTIONS pepon griep TTT 6 WATER INLET AND THERMOSTAT ASSEM Precaution for Supplemental Restraint System BEE 22 See SE and SEATBELT PRE TEN Exploded View ce erti did roei atanassu deine ara 22 a E TT 6 Removal and Installation 29 PREPARATION N 7 lee Le 23 PREPARATION cssssssssssssssssssssssssssssssssssesssnsssee AE AND WATER PIPING ae 24 Commercial Service E DEE 7 Exploded View BEE 24 Removal and Installation 2 ecseeeeeesteeeeeeeees 24 PERIODIC MAINTENANCE eeenenennnnnnnnnnnnn 8 dee et EE 25 ENGINE COOLANT EEN g SERVICE DATA AND SPECIFICATIONS LAS SOU eege EE 8 NEE 26 Drain an des cuted
17. ING Never remove radiator cap when engine is hot Serious burns could occur from high pressure engine coolant escaping from water inlet Wrap a thick cloth around the cap Slowly turn it a quarter of a turn to release built up pressure Carefully remove radiator cap by turning it all the way 1 Remove the following parts e Engine under cover with power tool e Engine cover and engine room cover RH and LH Refer to EM 174 Exploded View e Air cleaner case Refer to EM 177 Exploded View e Air duct inlet Refer to EM 177 Exploded View e Hood lock stay assembly and horn Refer to DLK 232 Exploded View and HRN 6 Exploded View 2 Remove condenser Refer to HA 104 Exploded View 3 Drain engine coolant from radiator Refer to CO 33 Draining CAUTION e Perform this step when the engine is cold e Never spill engine coolant on drive belts 4 Disconnect A T fluid cooler hoses from radiator e Install blind plug to avoid leakage of A T fluid 5 Remove radiator hoses upper and lower and reservoir tank hose CAUTION e Be careful not to allow engine coolant to contact drive belts e Never loosen radiator water inlet pipe mounting screw A If loosened replace radiator 1 2 Radiator water inlet pipe JPBIA1832ZZ 6 Rotate two radiator upper mount brackets 90 degrees in direc tion as shown in the figure and remove them 1 Radiator upper mount bracket A Turn 90 counterclockwise 7 Remove radiator as pe
18. LO CAUTION e Perform this step when engine is cold e Never spill engine coolant on drive belts 6 Disconnect radiator hose upper and lower Refer to CO 39 Exploded View 7 Remove intake manifold Refer to EM 179 Exploded View 8 Remove water suction pipe and water suction hose 9 Remove water inlet and thermostat 10 Remove water connector heater pipes and heater hoses 11 Remove thermostat housing INSTALLATION Note the following and install in the reverse order of removal CAUTION Be careful not to spill engine coolant over engine room Use rag to absorb engine coolant Thermostat e Install thermostat with the whole circumference of each flange part A fit securely inside rubber ring 1 e Install thermostat with jiggle valve A facing upwards The position deviation may be within the range of 20 degrees b PBIC3315J JPBIA2314ZZ Water Connector and Heater Pipe e First apply a neutral detergent to O rings then quickly insert the insertion parts of the water connector and heater pipe into the installation holes n S pect i O n INFOID 0000000003890771 INSPECTION AFTER REMOVAL e Check that valve in thermostat is completely closing at normal temperature Revision 2009 March CO 47 2009 FX35 FX50 WATER INLET AND THERMOSTAT ASSEMBLY lt REMOVAL AND INSTALLATION gt VKSOVE e Place a thread A so that it is caught in the valve of the thermostat Immerse fully in a container filled wit
19. NSPECTION AFTER REMOVAL e Check for badly rusted or corroded water pump body assembly e Check for rough operation due to excessive end play e If anything is found replace water pump SLC943A INSPECTION AFTER INSTALLATION e Check that the reservoir tank cap is tightened e Check for leakage of engine coolant using the radiator cap tester adapter commercial service tool and the radiator cap tester commercial service tool Refer to CO 33 Inspection e Start and warm up the engine Visually check that there is no leakage of engine coolant Revision 2009 March CO 21 2009 FX35 FX50 WATER INLET AND THERMOSTAT ASSEMBLY lt REMOVAL AND INSTALLATION gt VQ35HR WATER INLET AND THERMOSTAT ASSEMBLY E X p od ed V i ew INFOID 0000000003890739 SEC 210 211 e e 0 86 74 JPBIA1466GB 1 Gasket 2 Water inlet and thermostat assembly Refer to Gl 4 Components for symbols in the figure Re m oval a nd n stal lat i O n INFOID 0000000003890740 REMOVAL a e o Noa Remove engine cover Refer to EM 27 Exploded View Remove air duct and air cleaner case assembly bank 2 Refer to EM 29 Exploded View Remove reservoir tank Refer to CO 14 Exploded View Remove engine undercover with power tool Drain engine coolant from radiator drain plug at the bottom of radiator Refer to CO 8 Draining CAUTION e Perform this step when the engine is cold e Never spill engine coolant on drive belt Dis
20. Refer to EC 567 Inspection Disconnect the battery cable from the negative terminal Remove air duct and air cleaner case assembly bank 1 and bank 2 Refer to EM 29 Exploded View Remove reservoir tank Refer to CO 39 Exploded View Separate engine harness removing their brackets from front timing chain case Remove engine undercover with power tool Drain engine oil Refer to LU 8 Draining CAUTION e Perform this step when the engine is cold e Never spill engine oil on drive belt 9 Drain engine coolant from radiator Refer to CO 8 Draining CAUTION e Perform this step when the engine is cold e Never spill engine coolant on drive belt 10 Remove radiator hose lower Refer to CO 14 Exploded View 11 Remove cooling fan assembly Refer to CO 17 Exploded View 12 Remove front timing chain case Refer to EM 53 Exploded View ON Oo Ol Ni Revision 2009 March CO 19 2009 FX35 FX50 WATER PUMP lt REMOVAL AND INSTALLATION gt VQ35HR 13 Remove timing chain tensioner primary as per the following a Remove lower mounting bolt A b Loosen upper mounting bolt B slowly and then turn chain ten sioner primary 1 on the upper mounting bolt so that plunger C is fully expanded NOTE Even if plunger is fully expanded it is not dropped from the body of timing chain tensioner primary JPBIA1537ZZ c Remove upper mounting bolt and then remove timing chain tensioner primary 14 Rem
21. ain to all radiator core surfaces once per minute Revision 2009 March CO 12 2009 FX35 FX50 RADIATOR lt PERIODIC MAINTENANCE gt VQ35HR 3 Stop washing if any stains no longer flow out from radiator 4 Blow air into the back side of radiator core vertically downward e Use compressed air lower than 490 kPa 5 kg cm 71 psi and keep distance more than 30 cm 11 8 in 5 Blow air again into all the radiator core surfaces once per minute until no water sprays out Revision 2009 March CO 13 2009 FX35 FX50 RADIATOR lt REMOVAL AND INSTALLATION gt VQ35HR REMOVAL AND INSTALLATION RADIATOR Exploded View INFOID 0000000003890729 SEC 214 AN pv FASS WS SSS Wars es aes e fo 4 2 0 43 37 JPBIA1831GB 1 Upper mount bracket 2 Mounting rubber upper 3 Radiator 4 Mounting rubber lower 5 Clamp 6 Radiator hose lower 7 Radiator hose upper 8 Drain plug 9 O ring 10 Water drain hose 11 O ring 12 Air relief plug 13 Clamp 14 A T fluid cooler hose 15 A T fluid cooler hose 16 Cooling fan assembly 17 Grommet 18 Reservoir tank 19 Reservoir tank hose 20 Reservoir tank hose 21 Clamp 22 Reservoir tank cap A To water outlet front B To water inlet C To water outlet front D ToA T fluid cooler pipe Refer to Gl 4 Components for symbols in the figure Removal and Installation WEE REMOVAL Revision 2009 March CO 14 2009 FX35 FX50 RADIATOR lt REMOVAL AND INSTALLATION g
22. and air cleaner case assembly Refer to EM 29 Exploded View Remove intake manifold collector Refer to EM 31 Exploded View Remove intake manifold Refer to EM 34 Exploded View Remove reservoir tank Refer to CO 14 Exploded View Remove oil level gauge and guide Refer to EM 46 Exploded View 9 Remove radiator hose upper and heater hose 10 Remove water outlet front and water outlet pipe 11 Remove water outlet rear 12 Separate engine harness removing their bracket from water outlet rear 13 Remove engine coolant temperature sensor if necessary CAUTION Be careful not to damage engine coolant temperature sensor 14 Remove water pipe heater pipe water bypass pipe and water outlet rear INSTALLATION Note the following and install in the reverse order of removal e Securely insert each hose and install clamp at a position where it does not interfere with the pipe bulge e When inserting water outlet pipe and water bypass pipe into water outlet apply neutral detergent to O ring CAUTION Never allow water outlet rear to nip O rings when installing water outlet pipe and water bypass pipe n S pect i O n INFOID 0000000003890744 oND POO INSPECTION AFTER INSTALLATION e Check that the reservoir tank cap is tightened e Check for leakage of engine coolant using the radiator cap tester adapter commercial service tool and the radiator cap tester commercial service tool Refer to CO 8 Inspection e S
23. ator cap Poor sealing Radiator O ring for damage deterio ration or improper fitting Cracked radiator tank Cracked radiator core Reservoir tank Cracked reservoir tank Overflowing reservoir tank CO 29 Exhaust gas leakage into cooling system Cylinder head deterioration Cylinder head gasket deteri oration 2009 FX35 FX50 OVERHEATING CAUSE ANALYSIS lt SYMPTOM DIAGNOSIS gt Check items Symptom VK50VE Except cool ing system parts mal function Overload on engine Abusive driving High engine rpm under no load Driving in low gear for ex tended time Driving at extremely high speed Powertrain system malfunc tion Installed improper size wheels and tires Dragging brakes Improper ignition timing Blocked or restricted air flow Blocked bumper Blocked radiator grille Installed car brassiere Mud contamination or paper clogging Blocked radiator Blocked condenser Blocked air flow Installed large fog lamp Revision 2009 March CO 30 2009 FX35 FX50 PRECAUTIONS lt PRECAUTION gt VK50VE PRECAUTION PRECAUTIONS Precaution for Supplemental Restraint System SRS AIR BAG and SEAT BELT PRE TENSIONER inFo10 0000000003902708 The Supplemental Restraint System such as AIR BAG and SEAT BELT PRE TENSIONER used along with a front seat belt helps to reduce th
24. block A Electric Oil cooler Heater throttle control Cylinder head actuator Closed Open JPBIA1199GB Revision 2009 March CO 3 2009 FX35 FX50 OVERHEATING CAUSE ANALYSIS lt SYMPTOM DIAGNOSIS gt SYMPTOM DIAGNOSIS OVERHEATING CAUSE ANALYSIS Troubleshooting Chart Symptom VQ35HR INFOID 0000000003890720 Check items Cooling sys tem parts malfunction Poor heat transfer Water pump malfunction Worn or loose drive belt Thermostat stuck closed Damaged fins Dust contamination or pa per clogging Physical damage Clogged radiator cooling tube Excess foreign material rust dirt sand etc Reduced air flow Cooling fan does not oper ate High resistance to fan rota tion Damaged fan blades Fan assembly Damaged radiator shroud Improper engine coolant mixture ratio Poor engine coolant quality Engine coolant density Insufficient engine coolant Revision 2009 March Engine coolant leakage Loose clamp Cooling hose Cracked hose Water pump Poor sealing Loose Radiator cap Poor sealing Radiator O ring for damage deterio ration or improper fitting Cracked radiator tank Cracked radiator core Reservoir tank Cracked reservoir tank Overflowing reservoir tank CO 4 Exhaust gas leakage into cooling system Cylinder head deterioration
25. connect radiator hose lower Disconnect intake valve timing control solenoid valve harness connector bank 2 and remove intake valve timing control solenoid valve Remove water inlet and thermostat assembly 1 A Never loosen these screw CAUTION Never disassemble water inlet and thermostat assembly Replace them as a unit if necessary JPBIA0261ZZ INSTALLATION Note the following and install in the reverse order of removal e Be careful not to spill engine coolant over engine room Use rag to absorb engine coolant Revision 2009 March CO 22 2009 FX35 FX50 WATER INLET AND THERMOSTAT ASSEMBLY lt REMOVAL AND INSTALLATION gt VQ35HR l n S pect i O n INFOID 0000000003890741 INSPECTION AFTER REMOVAL 1 Check valve seating condition at ordinary room temperatures It should seat tightly 2 Check valve operation Thermostat Standard Refer to CO 26 Thermostat e If the malfunctioning condition when valve seating at ordinary room temperature or measured values are out of the standard replace water inlet and thermostat assembly SLC949A INSPECTION AFTER INSTALLATION e Check that the reservoir tank cap is tightened e Check for leakage of engine coolant using the radiator cap tester adapter commercial service tool and the radiator cap tester commercial service tool Refer to CO 8 Inspection e Start and warm up the engine Visually check that there is no leakage of engine coolant
26. d on the above Removal and Installation INFOID 0000000003890763 REMOVAL 1 Drain engine coolant Refer to CO 33 Draining 2 Remove reservoir tank Refer to CO 39 Exploded View 3 Remove air cleaner case Refer to EM 177 Exploded View 4 Remove mounting bolt from high pressure flexible hose bracket Refer to HA 96 Exploded View 5 Remove radiator hose upper Refer to CO 39 Exploded View 6 Disconnect harness connector from cooling fan control modules and move harness to aside 7 Remove cooling fan assembly CAUTION Be careful not to damage or scratch on radiator core INSTALLATION Note the following and install in the reverse order of removal CAUTION Only use genuine parts for cooling fan mounting bolt and observe the specified torque to prevent radiator from being damaged Disassembly and Assembly INFOID 0000000003890764 DISASSEMBLY 1 Disconnect harness connector from cooling fan control modules 2 Remove cooling fan control modules from cooling fan assembly CAUTION Handle carefully to avoid dropping and impact Revision 2009 March CO 42 2009 FX35 FX50 COOLING FAN lt REMOVAL AND INSTALLATION gt 3 Remove cooling fan mounting nuts and then remove the cooling fan RH and LH 4 Remove fan motors RH and LH ASSEMBLY Note the following and assemble in the reverse order of disassembly CAUTION RH and LH cooling fans are different Be careful not to misassemble them e Install each fan
27. e Revision 2009 March CO 6 2009 FX35 FX50 PREPARATION lt PREPARATION gt PREPARATION PREPARATION Commercial Service Tools Tool name VQ35HR INFOID 0000000003890722 Description Power tool PBICO190E Loosening bolts and nuts Radiator cap tester PBIC1982E Checking radiator and radiator cap Radiator cap tester adapter ra tht S NT564 v Co CERO Revision 2009 March CO 7 Adapting radiator cap tester to radiator cap and water outlet front filler neck a 28 1 10 dia b 31 4 1 236 dia c 41 3 1 626 dia Unit mm in 2009 FX35 FX50 ENGINE COOLANT lt PERIODIC MAINTENANCE gt VQ35HR PERIODIC MAINTENANCE ENGINE COOLANT n S pect i O n INFOID 0000000003890723 LEVEL e Check if the reservoir tank engine coolant level is within the MIN to MAX when the engine is cool A MAX B MIN e Adjust the engine coolant level as necessary e Check that the reservoir tank cap is tightened JPBIA0102ZZ LEAKAGE e To check for leakage apply pressure to the cooling system with the radiator cap tester and radiator cap tester adapter commercial service tool A Testing pressure Refer to CO 49 Radiator WARNING Never remove radiator cap when engine is hot Serious burns could occur from high pressure engine coolant escaping from water outlet front CAUTION Higher test pressure than specified may cause radiator dam JPBIA0411ZZ
28. e risk or severity of injury to the driver and front passenger for certain types of collision This system includes seat belt switch inputs and dual stage front air bag modules The SRS system uses the seat belt switches to determine the front air bag deployment and may only deploy one front air bag depending on the severity of a collision and whether the front occupants are belted or unbelted Information necessary to service the system safely is included in the SRS AIR BAG and SEAT BELT of this Service Manual WARNING e To avoid rendering the SRS inoperative which could increase the risk of personal injury or death in the event of a collision which would result in air bag inflation all maintenance must be performed by an authorized NISSAN INFINITI dealer Improper maintenance including incorrect removal and installation of the SRS can lead to personal injury caused by unintentional activation of the system For removal of Spiral Cable and Air Bag Module see the SRS AIR BAG Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this Service Manual SRS wiring harnesses can be identified by yellow and or orange harnesses or har ness connectors PRECAUTIONS WHEN USING POWER TOOLS AIR OR ELECTRIC AND HAMMERS WARNING e When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the ignition ON or engine running DO NOT use air or electric power tools or
29. etal plunger B cannot be seen when watching it vertically from the top Check if valve seat has no soil and damage JPBIAO108ZZ Pull negative pressure valve to open it and check that it close completely when released Check that there is no dirt or damage on the valve seat of radiator cap negative pressure valve Check that there are no unusualness in the opening and closing conditions of negative pressure valve SMA967B Check radiator cap relief pressure When connecting radiator cap to the radiator cap tester commer cial service tool and the radiator cap tester adapter commercial service tool A apply engine coolant to the cap seal surface Standard and limit Refer to CO 26 Radiator JPBIAO109ZZ e Replace radiator cap if there is an unusualness related to the above three CAUTION When installing radiator cap thoroughly wipe out the water outlet front filler neck to remove any waxy residue or foreign material RADIATOR RA D IATO R n S pect i O n INFOID 0000000003890728 Check radiator for mud or clogging If necessary clean radiator as per the following Be careful not to bend or damage radiator fins e When radiator is cleaned without removal remove all surrounding parts such as radiator cooling fan assem bly and horns Then tape harness and connectors to prevent water from entering 1 Apply water by hose to the back side of the radiator core vertically downward 2 Apply water ag
30. ew e Air duct inlet Refer to EM 177 Exploded View e Reservoir tank Refer to CO 39 Exploded View Loosen water pump pulley mounting bolts Remove alternator water pump and A C compressor belt Refer to EM 164 Removal and Installation Remove water pump pulley Drain engine coolant from drain plugs on radiator and cylinder block Refer to CO 33 Draining and EM 202 Setting CAUTION e Perform this step when engine is cold e Never spill engine coolant on drive belt Remove water pump Refer to CO 44 Exploded View e Engine coolant will leak from cylinder block so have a receptacle ready under vehicle Revision 2009 March CO 44 2009 FX35 FX50 WATER PUMP lt REMOVAL AND INSTALLATION gt VK50VE CAUTION e Handle the water pump vane so that it does not contact any other parts e Never disassemble water pump INSTALLATION Install in the reverse order of removal CO n S pect i O n INFOID 0000000003890768 INSPECTION AFTER REMOVAL e Visually check that there is no significant dirt or rusting on water pump body and vane A e Check there is no slack in vane shaft and that it turns smoothly when rotated by hand e If anything is found replace water pump JPBIA2315ZZ INSPECTION AFTER INSTALLATION e Check that the reservoir tank cap is tightened e Check for leakage of engine coolant using the radiator cap tester adapter commercial service tool and the radiator cap tester commercial
31. h water Heat while stirring e The valve opening temperature is the temperature at which the valve opens and falls from the thread e After checking the maximum valve lift lower the water temperature and check the valve closing temperature Thermostat Standard Refer to CO 49 Thermostat e If the malfunctioning condition when valve seating at ordinary room temperature or measured values are out of the standard replace thermostat JPBIA2313ZZ INSPECTION AFTER INSTALLATION e Check that the reservoir tank cap is tightened e Check for leakage of engine coolant using the radiator cap tester adapter commercial service tool and the radiator cap tester commercial service tool Refer to CO 33 Inspection e Start and warm up the engine Visually check that there is no leakage of engine coolant Revision 2009 March CO 48 2009 FX35 FX50 SERVICE DATA AND SPECIFICATIONS SDS lt SERVICE DATA AND SPECIFICATIONS SDS VK50VE SERVICE DATA AND SPECIFICATIONS SDS SERVICE DATA AND SPECIFICATIONS SDS Periodical Maintenance Specification omens o ENGINE COOLANT CAPACITY APPROXIMATELY Unit US qt Imp qt Engine coolant capacity With reservoir tank MAX level 11 11 5 8 9 5 8 Reservoir tank engine coolant capacity At MAX level 0 8 7 8 3 4 R ad i ato r INFOID 0000000003890776 Unit kPa kg cm psi Standard 122 3 151 7 1 2 1 5 18 22 Cap relief pressure Lim
32. hen refill radiator with engine coolant models with air relief plug on heater hose e 1 2 N m 0 12 kg m 11 in Ib 10 Install radiator cap 11 Warm up engine until opening thermostat Standard for warming up time is approximately 10 minutes at 3 000 rpm e Check thermostat opening condition by touching radiator hose lower to see a flow of warm water CAUTION Watch water temperature gauge so as not to overheat engine 12 Stop the engine and cool down to less than approximately 50 C 122 F e Cool down using fan to reduce the time e If necessary refill radiator up to filler neck with engine coolant 13 Refill reservoir tank to MAX level line with engine coolant 14 Repeat steps 10 through 13 two or more times with radiator cap installed until engine coolant level no longer drops 15 Check cooling system for leakage with engine running 16 Warm up the engine and check for sound of engine coolant flow while running engine from idle up to 3 000 rpm with heater temperature controller set at several position between COOL and WARM e Sound may be heard from the heater unit 17 Repeat step 16 three times 18 If sound is heard bleed air from cooling system by repeating step 6 and steps from 10 to 17 until engine coolant level no longer drops 19 Check that the reservoir tank cap is tightened Fl u S h i n d INFOID 0000000003890726 1 Install reservoir tank if removed and radiator drain plug CAUTION
33. in the following position Right side 9 blades Left side 11 blades VK50VE e Secure the harness tightly to the fan shroud to prevent the fan rotation area from being slack Inspection INSPECTION AFTER REMOVAL Check that fan motors operate normally NOTE Cooling fans are controlled by cooling fan control module For details refer to EC 1089 INSPECTION AFTER DISASSEMBLY Cooling Fan Inspect cooling fan for crack or unusual bend e If anything is found replace cooling fan Revision 2009 March CO 43 INFOID 0000000003890765 Description 2009 FX35 FX50 WATER PUMP lt REMOVAL AND INSTALLATION gt VKSOVE WATER PUMP Exploded View INFOID 0000000003890766 SEC 210 i 9 8 1 0 87 JPBIA2316GB Water pump pulley 2 Water pump 3 Gasket Refer to Gl 4 Components for symbols in the figure Re m oval a nd n stal lat i O n INFOID 0000000003890767 CAUTION e When removing water pump assembly be careful not to get engine coolant on drive belts e Water pump cannot be disassembled and should be replaced as a unit e After installing water pump connect hose and clamp securely then check for leakage using the radi ator cap tester commercial service tool and the radiator cap tester adapter commercial service tool REMOVAL 1 ar oN Remove following parts e Engine undercover power tool e Engine cover and engine room cover RH and LH Refer to EM 174 Exploded Vi
34. it 107 1 1 16 Leakage testing pressure 157 1 6 23 T h e rm ostat INFOID 0000000003890777 Thermostat Standard Valve opening temperature 82 C 180 F Maximum valve lift 10 0 mm 95 C 0 394 in 203 F Valve closing temperature 77 C 171 F Revision 2009 March CO 49 2009 FX35 FX50
35. n cylinder block are removed close and tighten them Refer to EM 118 Dis assembly and Assembly 3 Check that each hose clamp is firmly tightened 4 Remove air relief plug 2 on radiator left side 1 Reservoir tank 2 Engine cover lt Vehicle front 5 Remove air relief plug 1 on heater hose models with air relief plug on heater hose 2 Heater hose lt m Vehicle front 6 Fill radiator and reservoir tank if removed to specified level e Pour engine coolant through engine coolant filler neck slowly of less than 2 2 1 8 US qt 1 3 4 Imp qt a minute to allow air in system to escape e Use Genuine NISSAN Long Life Antifreeze Coolant or an equivalent mixed with water distilled or demineralized Refer to MA 12 Fluids and Lubricants Engine coolant capacity Refer to CO 26 With reservoir tank at Periodical Maintenanc MAX level e Specification JESUS Revision 2009 March CO 9 2009 FX35 FX50 ENGINE COOLANT lt PERIODIC MAINTENANCE gt VQ35HR Reservoir tank engine cool Refer to CO 26 ant capacity Periodical Maintenanc At MAX level e Specification A MAN B MIN JPBIA0102ZZ 7 When engine coolant overflows air relief hole on radiator install air relief plug with new O ring Tightening torque Refer to CO 14 Exploded View 8 Repeat step 6 9 When engine coolant overflows air relief hole on heater hose install air relief plug with new O ring T
36. ove water pump as per the following a Remove three water pump mounting bolts Secure a gap between water pump gear and timing chain by turning crankshaft counterclockwise until timing chain looseness on water pump sprocket becomes maxi mum b Screw M8 bolts A pitch 1 25 mm 0 0492 in length approxi mately 50 mm 1 97 in into water pumps upper and lower mounting bolt holes until they reach timing chain case Then alternately tighten each bolt for a half turn and pull out water pump 1 CAUTION e Pull straight out while preventing vane from contacting socket in installation area e Remove water pump without causing sprocket to contact timing chain c Remove M8 bolts and O rings from water pump CAUTION Never disassemble water pump INSTALLATION 1 Install new O rings to water pump e Apply engine oil to O ring 1 and engine coolant to O ring 3 as shown in the figure 2 Water pump e Locate O ring with yellow paint mark A to front side e Locate O ring with light blue paint mark B to rear side JPBIAO112ZZ 2 Install water pump CAUTION Never allow cylinder block to nip O rings when installing water pump e Check timing chain and water pump sprocket are engaged e Insert water pump by tightening mounting bolts alternately and evenly 3 Install timing chain tensioner primary as per the following Turn crankshaft clockwise so that timing chain on the timing chain tensioner primary side is loo
37. r LH Refer to EM 174 Exploded View 2 Install reservoir tank if removed and radiator drain plug CAUTION Be sure to clean drain plug and install with new O ring io 1 2 N m 0 12 kg m 11 in Ib If water drain plug on cylinder block is removed close and tighten it Refer to EM 256 Disassem bly and Assembly 3 Check that each hose clamp is firmly tightened 4 Remove air relief plug 2 on radiator left side 1 Reservoir tank 2 Water inlet lt q Vehicle front 5 Remove air relief plug 1 on heater hose lt 7 Vehicle front 6 Fill water inlet and reservoir tank if removed to specified level e Pour engine coolant through engine coolant filler neck slowly of less than 2 2 1 8 US qt 1 3 4 Imp qt a minute to allow air in system to escape e Use Genuine NISSAN Long Life Antifreeze Coolant or an equivalent mixed with water distilled or demineralized Refer to MA 12 Fluids and Lubricants Engine coolant capacity Refer to CO 49 With reservoir tank at Periodical Maintenance MAX level _Specification JPBIA0412ZZ Revision 2009 March CO 34 2009 FX35 FX50 ENGINE COOLANT lt PERIODIC MAINTENANCE gt VKSOVE Reservoir tank engine cool _ Refer to CO 49 ant capacity Periodical Maintenanc At MAX level e Specification A MAN B MIN JPBIAO102ZZ 7 When engine coolant overflows air relief hole on radiator install air relief plug with new O ring e 1
38. r the following CAUTION Be careful not to damage radiator core a Lift up and pull the radiator 1 forward and then remove the mounting rubber lower 3 from the radiator core support 2 sl Vehicle front JPBIAO106ZZ Revision 2009 March CO 40 2009 FX35 FX50 RADIATOR lt REMOVAL AND INSTALLATION gt VKSOVE b Remove radiator 1 from front of radiator core support 2 lt Vehicle front JPBIAO107ZZ INSTALLATION Installation is the reverse order of removal n S pect i O n INFOID 0000000003890761 INSPECTION AFTER INSTALLATION e Check for leakage of engine coolant using the radiator cap tester adapter commercial service tool and the radiator cap tester commercial service tool Refer to CO 33 Inspection e Start and warm up the engine Visually check that there is no leakage of engine coolant and A T fluid Revision 2009 March CO 41 2009 FX35 FX50 COOLING FAN lt REMOVAL AND INSTALLATION gt VKSOVE COOLING FAN Exploded View INFOID 0000000003890762 SEC 214 4 2 ei 4 4 0 45 Be Ge 0 43 37 Ya Sp Bi 3 4 T RY o ri fg 3 4 0 35 30 JPBIA2342GB 1 Cooling fan RH 2 Cooling fan LH 3 Fan shroud 4 Fan motor LH 5 Cooling fan control module 6 Fan motor RH 7 Cooling fan control module 8 Grommet A Apply on fan motor shaft rab Apply high strength thread locking sealant or equivalent Refer to Gl 4 Components for symbols not describe
39. s per the following CAUTION Be careful not to damage radiator core a Lift up and pull the radiator 1 forward and then remove the mounting rubber lower 3 from the radiator core support 2 SC Vehicle front JPBIAO106ZZ Revision 2009 March CO 15 2009 FX35 FX50 RADIATOR lt REMOVAL AND INSTALLATION gt VQ35HR b Remove radiator 1 from front of radiator core support 2 sl Vehicle front JPBIAO107ZZ INSTALLATION Installation is the reverse order of removal n S pect i O n INFOID 0000000003890731 INSPECTION AFTER INSTALLATION e Check for leakage of engine coolant using the radiator cap tester adapter commercial service tool and the radiator cap tester commercial service tool Refer to CO 33 Inspection e Start and warm up the engine Visually check that there is no leakage of engine coolant and A T fluid Revision 2009 March CO 16 2009 FX35 FX50 COOLING FAN lt REMOVAL AND INSTALLATION gt VQ35HR COOLING FAN Exploded View INFOID 0000000003890732 SEC 214 Faa ie S 4 2 0 43 37 DDR PA i L A AN 0 35 30 3 4 0 35 30 JPBIA1833GB 1 Cooling fan RH 2 Cooling fan LH 3 Fan shroud 4 Fan motor LH 5 Fan motor RH 6 Cooling fan control module 7 Grommet A Apply on fan motor shaft Apply high strength thread locking sealant or equivalent Refer to Gl 4 Components for symbols not described on the above Removal and Installation INFOID 00000
40. se Revision 2009 March CO 20 2009 FX35 FX50 WATER PUMP lt REMOVAL AND INSTALLATION gt VQ35HR b Pull plunger stopper tab A up or turn lever downward so as to remove plunger stopper tab from the ratchet of plunger D NOTE Plunger stopper tab and lever C are synchronized c Push plunger into the inside of tensioner body d Hold plunger in the fully compressed position by engaging plunger stopper tab with the tip of ratchet e To secure lever insert stopper pin E through hole of lever into tensioner body hole B e The lever parts and the tab are synchronized Therefore the plunger will be secured under this condition JPBIA0116ZZ NOTE Figure shows the example of 1 2 mm 0 047 in diameter thin screwdriver being used as the stopper pin f Install timing chain tensioner primary e Remove dust and foreign material completely from backside of timing chain tensioner primary and from installation area of rear timing chain case g Remove stopper pin h Check again that timing chain and water pump sprocket are engaged 4 Install in the reverse order of removal for remaining parts e After starting engine let idle for three minutes then rev engine up to 3 000 rpm under no load to purge air from the high pressure chamber of chain tensioner Engine may produce a rattling noise This indicates that air still remains in the chamber and is not a matter of concern n S pect i O n INFOID 0000000003890738 I
41. t VQ35HR WARNING Never remove radiator cap when engine is hot Serious burns could occur from high pressure engine coolant escaping from water outlet front Wrap a thick cloth around the cap Slowly turn it a quarter of a turn to release built up pressure Carefully remove radiator cap by turning it all the way 1 Remove the following parts co e Engine under cover with power tool e Engine cover Refer to EM 27 Exploded View e Air cleaner case Refer to EM 29 Exploded View e Air duct inlet Refer to EM 29 Exploded View e Hood lock stay assembly and horn Refer to DLK 232 Exploded View and HRN 6 Exploded View 2 Remove condenser Refer to HA 47 Exploded View 3 Drain engine coolant from radiator Refer to CO 8 Draining CAUTION e Perform this step when the engine is cold e Never spill engine coolant on drive belt 4 Disconnect A T fluid cooler hoses from radiator e Install blind plug to avoid leakage of A T fluid 5 Remove radiator hoses upper and lower and reservoir tank hose CAUTION e Be careful not to allow engine coolant to contact drive belt e Never loosen radiator water inlet pipe mounting screw A If loosened replace radiator 1 2 Radiator water inlet pipe JPBIA1832ZZ 6 Rotate two radiator upper mount brackets 90 degrees in direc tion as shown in the figure and remove them 1 Radiator upper mount bracket A Turn 90 counterclockwise 7 Remove radiator a
42. tart and warm up the engine Visually check that there is no leakage of engine coolant Revision 2009 March CO 25 2009 FX35 FX50 lt SERVICE DATA AND SPECIFICATIONS SDS SERVICE DATA AND SPECIFICATIONS SDS SERVICE DATA AND SPECIFICATIONS SDS Periodical Maintenance Specification ENGINE COOLANT CAPACITY APPROXIMATELY Engine coolant capacity With reservoir tank MAX level SERVICE DATA AND SPECIFICATIONS SDS VQ35HR INFOID 0000000003890745 Unit US qt Imp qt 9 2 9 3 4 8 1 8 Reservoir tank engine coolant capacity At MAX level Radiator Cap relief pressure Standard 0 8 7 8 3 4 INFOID 0000000003890746 Unit kPa kg cm psi 122 3 151 7 1 2 1 5 18 22 Limit 107 1 1 16 Leakage testing pressure Thermostat Thermostat 157 1 6 23 INFOID 0000000003890747 Standard Valve opening temperature 82 C 180 F Maximum valve lift 9 0 mm 95 C 0 354 in 203 F Valve closing temperature Revision 2009 March CO 26 77 C 171 F 2009 FX35 FX50 DESCRIPTION lt SYSTEM DESCRIPTION gt VK50VE SYSTEM DESCRIPTION DESCRIPTION Engine Cooling System INFO1D 0000000003890748 Cylinder block To heater di From heater an Lil To electric throttle toa Ka control actuator Cylinder head bank 1 Cylinder head bank 2 From electric throttle control actuator E
43. the edge of the metal plunger B cannot be seen when watching it vertically from the top Check if valve seat has no soil and damage JPBIA0108ZZ Pull negative pressure valve to open it and check that it close completely when released Check that there is no dirt or damage on the valve seat of radiator cap negative pressure valve Check that there are no unusualness in the opening and closing conditions of negative pressure valve SMA967B Check radiator cap relief pressure When connecting radiator cap to the radiator cap tester commer cial service tool and the radiator cap tester adapter commercial service tool A apply engine coolant to the cap seal surface Standard and limit Refer to CO 49 Radiator JPBIA0109ZZ e Replace radiator cap if there is an unusualness related to the above three CAUTION When installing radiator cap thoroughly wipe out the water inlet filler neck to remove any waxy resi due or foreign material RADIATOR RA D IATO R K n S pe cti O n INFOID 0000000003890758 Check radiator for mud or clogging If necessary clean radiator as per the following Be careful not to bend or damage radiator fins e When radiator is cleaned without removal remove all surrounding parts such as radiator cooling fan assem bly and horns Then tape harness and connectors to prevent water from entering 1 Apply water by hose to the back side of the radiator core vertically downward 2 Apply
44. u S h i n d INFOID 0000000003890756 1 Install reservoir tank if removed and radiator drain plug CAUTION Be sure to clean drain plug and install with new O ring o 1 2 N m 0 12 kg m 11 in Ib If water drain plug on cylinder block is removed close and tighten it Refer to EM 256 Disassem bly and Assembly Revision 2009 March CO 35 2009 FX35 FX50 ENGINE COOLANT lt PERIODIC MAINTENANCE gt VKSOVE 2 Remove air relief plug 1 on heater hose lt m Vehicle front 3 Remove air relief plug 2 on radiator 1 Reservoir tank 3 Water inlet lt m Vehicle front JPBIA0260ZZ 4 Fill water inlet with water until water spills from the air relief holes then close air relief plugs Fill water inlet and reservoir tank with water and reinstall radiator cap io 1 2 N m 0 12 kom 11 in Ib Run the engine and warm it up to normal operating temperature Rev the engine two or three times under no load Stop the engine and wait until it cools down Drain water from the system Refer to CO 33 Draining Repeat steps 1 through 8 until clear water begins to drain from radiator 0 Check that the reservoir tank cap is tightened mm Am Revision 2009 March CO 36 2009 FX35 FX50 RADIATOR lt PERIODIC MAINTENANCE gt VK50VE RADIATOR RADIATOR CAP RADIATOR CAP Inspection INFOID 0000000003880757 e Check valve seat of radiator cap Check if valve seat A is swollen to the extent that
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