Removal and Installation
Contents
1. sssssseeeee 28 DISASSEMBLY 41 intret iet enun 12 Steering Column esses 28 ASSEMBLY e itta iege 12 Power Steering sssssseeeee 28 n SDeCllOn EE eto Ute eerte teet 13 Steering Gear and Linkage ssss 29 POWER STEERING GEAR AND LINKAGE 14 Revision January 2005 PS 1 2004 Quest PRECAUTIONS PRECAUTIONS PFP 00001 Precautions for Supplemental Restraint System SRS AIR BAG and SEAT BELT PRE TENSIONER EGsocos 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 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 and SB section of this Service Man ual 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 per formed by an authorized NISSAN INFINITI dealer e Improper maintenance including incorrect remova2. elf vehicle has been in a collision or if noise and rattles are heard during a turn check the column length L as shown If out of specification replace the steering column as an assembly Steering column length L 428 mm 16 85 in e Check for proper lubrication apply grease as necessary Center of joint WGIA0064E INSTALLATION Installation is in the reverse order of removal e Tighten the nuts and bolts to the specified torque Refer to PS 9 Removal and Installation NOTE Do not reuse non reusable parts e When installing steering column to steering member install mounting nut from front side of vehicle CAUTION When installing the steering column finger tighten all of the lower bracket and joint retaining bolts then tighten them to specification Do not apply undue stress to the steering column NOTE Align slit of the coupling joint with projection on dust cover Insert the joint until surface A contacts surface B Slit J A Projection 88 SST491C e After installation turn steering wheel to make sure it moves smoothly Ensure the number of turns are the same from the straight forward position to left and right locks Be sure that the steering wheel is in a neu tral position when driving straight ahead Revision January 2005 PS 11 2004 Quest STEERING COLUMN INSPECTION AFTER INSTALLATION e After installing steering column to vehicle chec
3. 60 increments until rack sliding force is within specification Average rack sliding force 210 7 298 9 N 21 49 30 49 kg f 47 37 67 19 Ib f Maximum force deviation 98 N 10 kg f 22 Ib f NOTE Steering gear must replaced if adjusting screw rotation torque is less than 5 0 N m 0 9 kg m 44 in Ib LGIA0018E 3 Verify rack sliding force Refer to PS 14 CHECKING RACK SLIDING FORCE If rack sliding force is out of specification adjust rack sliding force again 5 If rack sliding force cannot be adjusted within specification replace steering gear A Revision January 2005 PS 20 2004 Quest POWER STEERING OIL PUMP POWER STEERING OIL PUMP PFP 49110 On Vehicle Service EGS000JB CHECKING HYDRAULIC SYSTEM Before starting check belt tension driving pulley and tire pressure 1 Set Tool Open shut off valve Then bleed air Refer to PS 6 KV48103500 and KV48102500 Bleeding Hydraulic System J26357 J26357 10 and 433914 Tool numbers KV48103500 J 26357 and J 26357 10 l KV48102500 J 33914 High pressure 2 Run engine at idle speed or 1 000 rpm Make sure temperature of fluid in tank rises to 60 80 C 140 176 F WARNING i Warm up engine with shut off valve fully opened If engine BEE Ee is started with shut off valve closed fluid pressure in oil m gt Direction of oil flow SSTO34 F pump increases to maximum This will raise oil temperature abnormally 3 Che
4. If fluid leakage from power steering oil pump is noticed check the power steering oil pump Refer to PS 23 INSPECTION AFTER DISASSEMBLY 6 Check steering gear boots for accumulation of power steering fluid indicating a steering gear leak Bleeding Hydraulic System EGsopniz 1 Raise the front end of vehicle until the wheels are clear of the ground 2 Add Genuine NISSAN PSF or equivalent into the steering fluid reservoir tank to the specified level Refer to MA 10 RECOM MENDED FLUIDS AND LUBRICANTS Then quickly turn the steering wheel fully to right and left and lightly touch steering stoppers Repeat steering wheel operation until the fluid level no longer decreases SGIA0506E LGIA0021E 3 Start the engine then repeat step 2 above Incomplete air bleeding will cause the following symptoms e Air bubbles in reservoir tank e Clicking noise in oil pump e Excessive buzzing in oil pump If this happens bleed out the air repeating step 2 above Fluid noise may occur in the valve or oil pump This is common when the vehicle is stationary or while turning the steering wheel slowly This does not affect the performance or durability of the system Revision January 2005 PS 6 2004 Quest STEERING WHEEL STEERING WHEEL PFP 48430 On Vehicle service Sos CHECKING STEERING WHEEL PLAY e With wheels in a straight ahead position check steering wheel play Steering wheel play 35 mm 1 38 in or less e
5. If it is not within specification check the following for looseness or worn components Steering gear assembly Steering column Front suspension and axle Check steering system for looseness while moving the steering wheel in all directions WGIA0034E Axial end play 0 mm 0 in CHECKING NEUTRAL POSITION ON STEERING WHEEL Pre checking e Make sure that wheel alignment is correct Refer to FSU 19 Front Wheel Alignment Unladen 1 PS e Verify that the steering gear is centered before removing the steering wheel Checking 1 Check that the steering wheel is in neutral position when driving straight ahead 2 lfitis notin neutral position remove the steering wheel and rein stall it correctly 3 If the neutral position is between two teeth loosen tie rod lock nuts Turn the tie rods by the same amount in opposite direc tions on both left and right sides WGIA0036E CHECKING STEERING WHEEL TURNING FORCE 1 Park vehicle on a level dry surface and set parking brake 2 Start engine 3 Bring power steering fluid up to adequate operating temperature Make sure the fluid temperature is approximately 60 80 C 140 176 F Tires need to be inflated to normal pressure 4 Check steering wheel turning force using Tool when steering wheel has been turned 360 from the neutral position Tool number J 44372 Steering wheel 39 N 4 kg f 9 Ib f or less turning force 5 If steering wheel tur
6. January 2005 PS 15 2004 Quest POWER STEERING GEAR AND LINKAGE 5 Remove the lower joint pinch bolt Refer to PS 9 Removal and Installation UN lc Pd Lower joint pinch bolt Front swaybar Drain the power steering fluid Disconnect the power steering high and low pressure lines from the steering gear Reposition the stabilizer bar up and out of the way o ouo Remove the two gear housing mounting bolts Refer to PS 15 Removal and Installation Front exhaust tube _ Front N removed for clarity gt e Do not remove the gear housing mounting bracket from the Z gear housing 10 Remove the power steering gear and linkage assembly MT Gear housing mounting bolts Jor 3 WGIA0048E INSTALLATION Installation is in the reverse order of removal NOTE Do not reuse non reusable parts e Use the specified tightening torque when installing the high pressure tube and low pressure hose connections CAUTION Excessive tightening will damage threads of connection or O ring e The O ring in low pressure hose connector is larger than that in high pressure connector Take care to install the proper O ring e Initially tighten nut on outer tie rod socket and knuckle arm to specification Then tighten further to align nut groove with first pin hole so that the cotter pin can be installed Outer tie rod grooved nut 34 N m 3 5 kg m 25 ft Ib CAUTION Tightening torque must not exc
7. essary e Ifthe vehicle has been involved in a collision or if noise and rat tles are heard during a turn check the length L of the column If out of specification replace the steering column as an assem bly Steering column length L 428 mm 16 85 in e Check for proper lubrication apply grease as necessary e Checkfor wear around the seal edges replace as necessary e Check for corrosion or pitting around the seal sliding area Center of joint e Replace the seal and shaft in case of seal edge wear or dam age o e After installing the steering column check the tilt mechanism for proper operation Tilt mechanism range manual tilt 9 per notch at 6 steps CAUTION e Do not exert any load or impact in the axial direction immediately before or after column removal e After installation check for smooth steering wheel rotation without any catches or noise e Replace the column if it is depleted of grease worn damaged or if any scratches or coating sepa ration is present on the shaft seal area The nut on the upper joint may not be reused e During lower joint detachment insert a tool into the yoke groove to prevent gouging damage Revision January 2005 PS 13 2004 Quest POWER STEERING GEAR AND LINKAGE POWER STEERING GEAR AND LINKAGE PFP 49001 On Vehicle Service EGS000J7 CHECKING STEERING GEAR e Check gear housing and boots for looseness and damage e Check gear housing and boots for fluid leakage Refer
8. removal e Tighten component connections to specification Refer to PS 22 Disassembly and Assembly e Adjust belt tension Refer to MA 12 CHECKING DRIVE BELTS Revision January 2005 PS 21 2004 Quest POWER STEERING OIL PUMP e Refill power steering system and bleed air after installation Refer to PS 6 POWER STEERING FLUID Disassembly and Assembly EGSODOUN Dj 5 7 1 6 12 9 15 7 1 6 12 91 57 1 6 12 EI Genuine Nissan PSF or equivalent DI Nem kg m ft lb e Always replace after every disassembly WGIA0056E 1 Rear cover 2 Gasket 3 Lock pin 4 Cam ring 5 Rotor 6 Vane 7 Cartridge 8 Side plate 9 O ring 10 Body assembly 11 Oil seal 12 Drive shaft assembly 18 Snapring 14 Pulley 15 Spring washer 16 Bracket 17 Suction pipe 18 O ring 19 Washers 20 Joint 21 Flow control valve 22 Spring INSPECTION BEFORE DISASSEMBLY Disassemble power steering oil pump only if the following conditions are found e Oil leakage from oil pump e Deformed or damaged pulley e Poor performance DISASSEMBLY CAUTION When holding the drive shaft in a vise always use copper or aluminum plates between vise and drive shaft to prevent damage NOTE Mount the oil pump in a soft jawed vise as necessary 1 Unscrew four rear cover bolts and remove rear cover from body assembly Remove gasket from body assembly Remove lock pin cartridge and side plate from body assembly Remove pulle
9. szie a Za S vlo D ke O LLI a Re gt Oo ge E o oO 4 2 o 8 e o E 2 2 25 2 E ra a Re x Applicable 2004 Quest PS 5 Revision January 2005 POWER STEERING FLUID POWER STEERING FLUID PFP KLF20 Checking Fluid Level zess Check fluid level referring to the scale on reservoir tank Use HOT range for fluid temperatures of 50 80 C 122 176 F Use COLD range for fluid temperatures of 0 30 C 32 86 F CAUTION e Do not overfill e Do not reuse any used power steering fluid e Recommended fluid is Genuine NISSAN PSF or equivalent Refer to MA 10 RECOMMENDED FLUIDS AND LUBRI CANTS LGIA0021E Checking Fluid Leakage Easoooly Check the lines for improper attachment and for leaks cracks dam age loose connections chafing and deterioration ew 1 Run engine between idle speed and 1 000 rpm Make sure temperature of fluid in oil tank rises to 60 80 C 140 176 F Cracks of hose Hose T Flare nut 2 Turn steering wheel right to left several times 3 Hold steering wheel at each lock position for five seconds and A carefully check for fluid leakage CAUTION a eae Cracks of tube S of suction pipe Do not hold the steering wheel in a locked position for more Eye bolt than 15 seconds 4 If fluid leakage at connectors is noticed loosen flare nut and then retighten Do not overtighten connector as this can damage O ring washer and connector 5
10. 67A 5 Install the boot clamps and boot bands securely Boot clamp WGIA0117E Adjustment for Rack Sliding Force EGS000 A DECREASE Decrease rack sliding force as follows 1 Loosen adjusting screw two rotations counterclockwise CAUTION e Do not remove adjusting screw e Steering gear must replaced if adjusting screw is removed or loosened more than two rotations 2 Tighten adjusting screw in 40 60 increments until rack sliding force is within specification Average rack sliding force 210 7 298 9 N 21 49 30 49 kg f 47 37 67 19 Ib f Maximum force deviation 98 N 10 kg f 22 Ib f NOTE Steering gear must be replaced if adjusting screw rotation torque is less than 5 0 N m 0 9 kg m 44 in Ib LGIA0018E 3 Verify rack sliding force Refer to PS 14 CHECKING RACK SLIDING FORCE If rack sliding force is out of specification adjust rack sliding force again 5 If rack sliding force cannot be adjusted within specification replace steering gear A Revision January 2005 PS 19 2004 Quest POWER STEERING GEAR AND LINKAGE INCREASE Increase rack sliding force as follows 1 Tighten adjusting screw until it is flush with housing surface CAUTION e Do not remove adjusting screw e Steering gear must replaced if adjusting screw is removed or loosened more than two rotations Steering gear housing Adjustment screw WGIA0030E 2 Loosen adjusting screw in 40
11. G STEERING SECTION S POWER STEERING SYSTEM CONTENTS PRECAUTIONS erue ege 2 On Vehicle Service cceececeeceecceeeeeeteeeeeesenaeeees Precautions for Supplemental Restraint System CHECKING STEERING GEAR SRS AIR BAG and SEAT BELT PRE TEN CHECKING STEERING LINKAGE SIONER xiii eet o ette thant kts 2 CHECKING GEAR HOUSING MOVEMENT Precautions for Steering System 2 CHECKING RACK SLIDING FORCE PREPARATION u eene 3 Removal and Installation Special Service Tools sssssssssss 3 REMOVAL reon iere coti a ERERRY ede RARE a ERR RM next Commercial Service Tool ssssssssss 3 INSTALLATION cce e t n n n NOISE VIBRATION AND HARSHNESS NVH Disassembly and Assembly TROUBLESHOOTING eene 5 DISASSEMBLY tege 2 nnne degen NVH Troubleshooting Chart susssss 5 INSPECTION AFTER DISASSEMBLY POWER STEERING FLUID 6 ASSEMBLY 4 tote ems Checking Fluid Level n se 6 Adjustment for Rack Sliding Force Checking Fluid Leakage sssssss 6 DECREASE 5 ettet utero Eer Ern dea Bleeding Hydraulic System ss 6 lee TE STEERING WHEEL eere 7 POWER STEERING OIL
12. PUMP On Vehicle service ssssssme 7 On Vehicle Service eesssssssesse CHECKING STEERING WHEEL PLAY 7 CHECKING HYDRAULIC SYSTEM CHECKING NEUTRAL POSITION ON STEER Removal and Installation sssse ING WHEEHL incor metes 7 REMOQNVA E25 treten tree nes CHECKING STEERING WHEEL TURNING INSTALLATION senian aiene oeat men RE 7 Disassembly and Assembly FRONT WHEEL TURNING ANGLE 8 INSPECTION BEFORE DISASSEMBLY Removal and Installation sssuss 8 DISASSEMBLY ene seed dE eege REMOVAE ee eere Ns 8 INSPECTION AFTER DISASSEMBLY INSTALLATION te tiet tret ette tent ient 8 ASSEMBLY iet rte Egger STEERING COLUMN eene 9 HYDRAULIC LINE eene Removal and Installation sssesss 9 Removal and Installation sssss REMOVAL tit meatu Ee 9 REMOVAL eletti MOS eg INSPECTION AFTER REMOVAL 11 INSTALLATION 7 ettet tto rnt P ces INSTALLATION rtr entente 11 SERVICE DATA AND SPECIFICATIONS SDS 28 INSPECTION AFTER INSTALLATION 12 General Specifications seseesseeeseeeee eenen enesenn 28 Disassembly and Assembly 12 Steering Wheel
13. ck pressure with steering wheel fully turned to left and right positions with engine idling at 1 000 rpm CAUTION Do not hold the steering wheel in a locked position for more than 15 seconds Oil pump maximum standard pressure 8 800 kPa 89 76 kg cm 1 276 psi e If pressure reaches maximum operating pressure system is OK e If pressure increases above maximum operating pressure check power steering pump flow control valve Refer to PS 28 Power Steering 4 f power steering pressure is below the maximum operating pressure slowly close shut off valve and check pressure again CAUTION Do not close shut off valve for more than 15 seconds e If pressure increases to maximum operating pressure gear is damaged Refer to PS 15 Removal and Installation e If pressure remains below maximum operating pressure pump is damaged Refer to PS 21 Removal and Installation 5 After checking hydraulic system remove Tool and add fluid as necessary Then completely bleed air out of system Refer to PS 6 Bleeding Hydraulic System Removal and Installation zeen REMOVAL 1 Remove wheel and tire using power tool 2 Remove side splash guard 3 Remove heat insulator 4 Loosen adjustment screw and oil pump mounting bolt then remove belt 5 Drain power steering fluid 6 Remove oil pump union bolts and hose 7 Remove oil pump bracket mounting bolts 8 Remove power steering oil pump INSTALLATION Installation is in the reverse order of
14. eed 40 mm 1 57 in s Maximum rack sliding force Not more than 299 N 30 5 kg f 67 2 Ib f Maximum force deviation 147 N 15 kg f 33 Ib f Revision January 2005 PS 14 2004 Quest POWER STEERING GEAR AND LINKAGE Removal and Installation Baboon 150 15 111 150 15 111 m SCH Vehicle front i Always replace after every disassembly EIN E 2 M N m kg m ft Ib WGIA0045E 1 Steering gear assembly 2 Cotter pin 3 Gear housing mounting bracket 4 Gear housing insulator 5 Sleeve REMOVAL CAUTION e The rotation of the driver air bag spiral cable is limited If the steering gear must be removed set the front wheels in the straight ahead direction Do not rotate the steering column while the steer ing gear is removed e Remove the steering wheel and spiral cable before removing the steering lower joint to avoid dam aging the SRS spiral cable 1 Remove the two front tires using power tool 2 Remove cotter pins and nuts then disconnect the outer tie rods using Tool Tool number HT72520000 J 25730 A 3 Disconnect the outer stabilizer bar ends from connecting rods using power tool Refer to FSU 12 Removal and Installation Vehicle ftont C HT72520000 J25730 A SGIA0488E 4 Remove the front stabilizer bar bracket rear bolts and loosen the bili b front bolts Refer to FSU 12 Removal and Installation di ideis Front stabilizer bracket rear bolt Revision
15. eed 49 N m 5 kg m 36 ft Ib e Refill power steering system and bleed air after installation Refer to PS 6 POWER STEERING FLUID SST824A Revision January 2005 PS 16 2004 Quest POWER STEERING GEAR AND LINKAGE Disassembly and Assembly EGS000J9 SEC 492 GE 2 3 17 8 Do not disassemble Gett _ 8 0 58 ET o 41 5 e Always replace after every disassembly e 4 2 31 Ed T Nm kg m np Wd Lubrication points use multi purpose grease or equivalent D 34 5 3 5 25 WGIAO0050E 1 Steering gear 2 Gear housing fluid tubes 3 Bootclamp 4 Dust boot 5 Boot band 6 Tie rod inner socket 7 Inner tie rod 8 Outer tie rod 9 Cotter pin DISASSEMBLY CAUTION Use soft jaws when holding steering gear housing Handle gear housing carefully as it is made of alu minum Do not grip cylinder in a vise 1 Remove the outer tie rods 2 Remove the boot clamps and boot bands 3 Remove the inner tie rods and dust boots Revision January 2005 PS 17 2004 Quest POWER STEERING GEAR AND LINKAGE INSPECTION AFTER DISASSEMBLY Thoroughly clean all parts in cleaning solvent or Genuine NISSAN PSF or equivalent Refer to MA 10 REC OMMENDED FLUIDS AND LUBRICANTS Blow dry the parts with compressed air Boot e Check condition of boot If cracked replace it e Check boots for accumulation of power steering fluid indicating steering gear leak If found replace the gear Gear e Thoroughly examine st
16. eering gear If damaged cracked leaking or worn replace it Inner and Outer Tie rods e Check ball joints for swinging force Outer tie rod outer and inner ball joints swinging force A Refer to PS 29 Steering Gear and Linkage e Check ball joint for rotating torque Outer tie rod outer ball joint rotating torque B Refer to PS 29 Suo S all joint Steering Gear and Linkage Measuring point e Check ball joints for axial end play Outer tie rod outer and inner ball joints axial end play C Refer to PS 29 Steering Gear and Linkage e Check condition of dust cover If cracked replace outer tie rod ball joint SST468C ASSEMBLY 1 Install the inner tie rods 2 Install the outer tie rods to the specified length and tighten the outer tie rod lock nut Refer to PS 29 Steering Gear and Link age j e Inner tie rod Lock nut Use Genuine High Temperature High Strength Thread Locking Sealant Red or equivalent Refer to GI 43 RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS Outer tie rod lock nut 41 5 N m 4 2 kg m 31 ft Ib Outer tie rod WGIAO114E 3 Measure rack stroke Refer to PS 29 Steering Gear and Link age WGIAO0115E Revision January 2005 PS 18 2004 Quest POWER STEERING GEAR AND LINKAGE 4 Before installing the dust boot coat the contact surfaces between the boot and the inner tie rod with grease i Dy SST9
17. in R25 0 98 Welding 72 2 83 d S NT774 Revision January 2005 PS 4 2004 Quest NOISE VIBRATION AND HARSHNESS NVH TROUBLESHOOTING PFP 00003 NOISE VIBRATION AND HARSHNESS NVH TROUBLESHOOTING NVH Troubleshooting Chart EGSO000IW Use the chart below to help you find the cause of the symptom If necessary repair or replace these parts Heyg BunoousejqnoJ HAN H8 sgyyyg x x x x wHeYD DUDOOUSGIOTOIL HAN CIA 133HM avOH X X 25 lies Heyo BuroousejqnoJ HAN CLM S3duML X el el e Heyo BuroousejqnoJ HAN Gm NOISNAdSNS x x X X X EU bunoouse gnoJ HAN v XV ang X xX x x x wHeYD DUUOOUSGIOTOIL HAN Y XVJ LAVHS AAI X x X vl Sd sseuesoo abeyul Duueee x x l Sd uunjoo Duuaeis JO sseuesoo JO UOUEIEISUL jedouduJ x l Sd eDeuiep 10 uoneuuojep uuinjoo Duugaie x vl Sd uoneJouojep 1eqqni Dumupowl x X xX xX l Sd J9 9 X20 10 40 Sseuesoo JO uorpejejsur J9dosduy x x x Z Sd j ym Buueeijs Jecodhu x xX x S1139 JAHA SNDIO3HO c E VIN sseuesoo jeg eAug X 61 Sd 9210J Buipi s yoers 1ee6 Duueejs X Z Sd Kejd eeuw Duuaane X 9 Sd oDeyee piny 1ee6 Buueeis X 8I Sd Aejd pue julof eg pog erj X 8I Sd anbio Bunejou jurof eq pos aly X 8L Sd 9040 BuiBuiws julof eq pos aly X 9 Sd wajshs oynejp u ul dy X 9 Sd ana Dm X ep c D i o go SIES lt al S EIS a os
18. k tilt device and its operation range Ranges of operation are shown in the figure e Check if steering wheel operation can turn to the end of the left and right stops smoothly WGIA0063E Disassembly and Assembly Seen E EC 7 m d at d 6 Ge H EH N m kg m ft lb Ji jm S ei N m kg m in Ib 26 5 2 7 20 1 Steering column assembly 2 Ignition switch 3 Upper joint 4 Spring 5 Tiltlever knob 6 Self shear bolt DISASSEMBLY 1 Remove spring from steering column assembly and tilt lever 2 Remove mounting bolt from upper joint then remove upper joint from steering column assembly WGIA0054E column assembly WGIA0055E 3 Remove ignition switch tamper resistant self shear type screws with a drill or other suitable tool ASSEMBLY Assembly is in the reverse order of disassembly e Tighten the nuts and bolts to the specified torque Refer to PS 12 Disassembly and Assembly e Install new tamper resistant self shear type screws as shown WGIA0009E Revision January 2005 PS 12 2004 Quest STEERING COLUMN Inspection See e When the steering wheel does not turn smoothly check the steering column as follows 1 Check the column bearings for damage or unevenness Lubricate with recommended multi purpose grease Replace the steering column as an assembly if necessary 2 Check the column tube for deformation or breakage Replace the steering column as an assembly if nec
19. l and installation of the SRS can lead to per sonal injury caused by unintentional activation of the system For removal of Spiral Cable and Air Bag Module see the SRS section 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 harness connectors Precautions for Steering System EGsoporr Before disassembly thoroughly clean the outside of the unit Disassembly should be done in a clean work area It is important to prevent the internal parts from becoming contaminated by dirt or other foreign matter For easier and proper assembly place disassembled parts in order on a parts rack Use nylon cloths or paper towels to clean the parts common shop rags can leave lint that might interfere with their operation e Before inspection or reassembly carefully clean all parts with a general purpose non flammable solvent e Before assembly apply a coat of recommended Genuine NISSAN PSF or equivalent to hydraulic parts Petroleum jelly may be applied to O rings and seals Do not use any grease e Replace all gaskets seals and O rings Avoid damaging O rings seals and gaskets during installa tion Perform functional tests whenever designated Revision January 2005 PS 2 2004 Quest PREPARATION Special Service Tools PREPARATION PFP 00002 EGSO000KN The actual shapes of Kent Moore tools
20. ly NOTE Do not reuse gasket 10 Install rear cover to body assembly and tighten bolts to the spec ified torque Q Se Rear cover ae 0KO SGIA0425E 11 Install bracket to body assembly and tighten the two bracket bolts to the specified torque 12 Install pulley to drive shaft assembly then tighten lock nut to the specified torque 13 Install spring flow control valve washer and joint to body assembly Then tighten union bolt to the speci fied torque NOTE Do not reuse washer 14 Apply a coat of NISSAN PSF or equivalent to O ring and Install O ring to suction pipe Refer to MA 10 RECOMMENDED FLUIDS AND LUBRICANTS 15 Install suction pipe to body assembly and tighten bolts to the specified torque Revision January 2005 PS 25 2004 Quest SEC 497 HYDRAULIC LINE HYDRAULIC LINE PFP 49721 Removal and Installation Stee 28 39 p 2 8 4 0 21 28 H ET D y 15 25 1 5 2 5 11 18 D N m kg m ft lb ei Nem kg m in Ib Apply Genuine NISSAN PSF or equivalent Refer to MA Section Always replace after every disassembly 1 Power steering fluid reservoir 2 Power steering pressure switch 3 Power steering gear 4 Power steering oil pump 5 Washers 6 Tube 7 Hose REMOVAL Refer to the illustration for hydraulic tube and hose routing Re
21. may differ from those of special service tools illustrated here Tool number Description Kent Moore No Tool name KV48102500 Measuring oil pressure J 33914 Pressure gauge adapter nu B EI F3 8 E gp PF3 8 M16 x 1 5 pitch M16 x 1 5 pitch S NT542 KV48103500 Measuring oil pressure J 26357 and J 26357 10 l To oil pump To control valve Pressure gauge outlet PF3 8 18 female PF3 8 e male aue ci H Shut off valve S NT547 HT72520000 J 25730 A Ball joint remover NT146 PS Removing outer tie rod ends and lower ball ail joint ST31278000 1 GG91030000 See J 25765 A Torque wrench 2 HT62940000 Socket adapter 3 HT62900000 Ss Socket adapter Commercial Service Tool Tool number ox 1 4 Torque wrench D 9 x with range of ad 1 4 to 3 8 a 29 Nem a ane 30 kg cm B Ge 3 8 to 1 2 S R S NT541 Measuring turning torque EGS000KO Description J 44372 Spring gauge Ce LST024 Measuring steering wheel turning force J 44183 A Spring gauge Revision January 2005 Ce LST025 PS 3 Measuring rack sliding force 2004 Quest PREPARATION Tool number Description J 1859 A Removing steering wheel Steering wheel puller LHIA0043E J 42578 Removing steering wheel Steering wheel puller legs LHIAO044E Oil pump attachment Disassembling and assembling oil pump Unit mm
22. move any components necessary to access the lines CAUTION Be careful not to kink or bend the tubes INSTALLATION Installation is in the reverse order of removal Refer to PS 14 POWER STEERING GEAR AND LINKAGE and PS 21 POWER STEERING OIL PUMP for tightening torque NOTE Do not reuse non reusable parts Ensure that hose touches spool of tube when tube is to be inserted to hose CAUTION Do not apply power steering fluid to the junction surface Spool 3 gmm 0 12 0 31 in between tube and hose SGIA0514E Revision January 2005 PS 26 2004 Quest HYDRAULIC LINE e To install the eye joint on the power steering pump align the pro jection of the eye joint into the notch of the power steering pump Make sure the eye joint is properly installed on the power steer ing pump then tighten the eye bolt to the specified torque e Connect the harness connector into the power steering pressure switch securely LJ Eve joint Pressure sensor Copper washers Eye bo mms Sealing part Power steering pump m Nam kg m ft Ib WGIAO068E Revision January 2005 PS 27 2004 Quest SERVICE DATA AND SPECIFICATIONS SDS SERVICE DATA AND SPECIFICATIONS SDS PFP 00100 General Specifications EGS000 6 Steering model Power steering Steering gear type PR26AD Steering overall gear ratio 17 1 1 Turns of steering wheel lock to lock 3 0 S
23. mp in soft jawed vise as required Revision January 2005 PS 23 2004 Quest POWER STEERING OIL PUMP 1 Apply a coat of NISSAN PSF or equivalent refer to MA 10 RECOMMENDED FLUIDS AND LUBRICANTS to oil seal lip and to the circumference of oil seal Using proper tool such as hand press machine install it to body assembly NOTE Do not reuse oil seal SST038A 2 Apply a coat of NISSAN PSF or equivalent to drive shaft and press drive shaft assembly into body assembly with suitable tool then install snap ring 3 Apply a coat of NISSAN PSF or equivalent to O ring and install O ring into body assembly NOTE Do not reuse O ring 4 Install side plate to body assembly SGIA0422E 5 Install lock pin into lock pin hole and install cam ring as shown e When installing cam ring turn carved face with a letter on it to rear cover CAUTION Do not confuse the assembling direction of cam ring If cam ring is installed facing the incorrect direction it may cause pump operation malfunction SGIA0423E Revision January 2005 PS 24 2004 Quest POWER STEERING OIL PUMP 6 Install rotor to body assembly e When installing rotor turn punch mark face on rotor to body Punch mark assembly anal Rear cover side Housing side SGIA0424E 7 Install vane to rotor with arc of vane in contact with cam ring Flat portion Round portion 8 Checkif drive shaft assembly turns smoothly 9 Install gasket to body assemb
24. ning force is out of specification check rack sliding force Refer to PS 14 CHECKING RACK SLIDING FORCE 6 If rack sliding force is not within specifications adjust rack slid WGIAOO35E ing force Refer to PS 19 Adjustment for Rack Sliding Force 7 If rack sliding force is OK inspect steering column Refer to PS 13 Inspection 8 If the steering column is OK check the fluid pressure Refer to PS 21 CHECKING HYDRAULIC SYS TEM Revision January 2005 PS 7 2004 Quest STEERING WHEEL FRONT WHEEL TURNING ANGLE 1 Rotate steering wheel all the way right and left measure turning angle Refer to FSU 19 General Specifications Front 2 If it is not within specifications check rack stroke Refer to PS 29 Steering Gear and Linkage Removal and Installation EGSt0nJ1 REMOVAL 1 Setthe front wheels in the straight ahead position 2 Remove the driver air bag module Refer to SRS 44 Removal and Installation 3 Remove the steering wheel center nut 4 Remove the steering wheel using Tools Tool number A J 1859 A B J 42578 5 Place a piece of tape across the spiral cable so it will not be rotated out of position 6 Inspect the steering wheel near the puller holes for damage If damaged replace the steering wheel INSTALLATION Installation is in the reverse order of removal Steering wheel center nut 34 3 N m 3 5 kg m 25 ft Ib Align spiral cable correctly when installing stee
25. ring wheel Make sure that the spiral cable is in the neutral position The neutral position is detected by turning left 2 6 revolutions from the right end position and ending with the knob at the top CAUTION The spiral cable may snap due to steering operation if the cable is installed in an improper position Also with the Eden steering linkage disconnected the cable may snap by turn ing the steering wheel beyond the limited number of turns The spiral cable can be turned up to 2 6 turns from the neutral position to both the right and left Revision January 2005 PS 8 2004 Quest STEERING COLUMN STEERING COLUMN Removal and Installation PFP 48810 EGSO000JL SEC 484 487 488 c2 ENA lt nU vA a X ei Refer to SRS section ES LoS 3 9 0 40 35 fA PW 0 26 5 2 7 20 167 1 7 12 ED 4 5 33 167 1 7 12 lee 1 1 91 O N m tom ft ib ei Nem kg m in Ib Always replace after every disassembly WGIA0151E 1 Driver air bag module 2 Steering wheel 3 Steering wheel side cover 4 Combination switch and spiral cable 5 Ignition switch 6 Steering column assembly 7 Tilt lever knob 8 Spring 9 Self shear bolt 10 Upper joint 11 Hole cover seal 12 Clamp 13 Hole cover 14 Lower joint CAUTION e Care must be taken not to give axial impact to steering column assembly during removal and installation e Care must be taken not to move steering gear during remo
26. teering column type Collapsible manual tilt Steering Wheel EGSOQ0JH Unit mm in Steering wheel axial play 0 0 Steering wheel play 35 1 38 or less Movement of gear housing 2 0 08 or less Steering Column zeen Unit mm in Center of joint WGIA0064E Applied model All Steering column length L 428 16 85 Power Steering Soso Applied model All Steering gear type PR26AD Pump type F40 Steering wheel turning force Measured at one full turn from the neutral position 39 N 4 kg f 9 Ib f or less Fluid capacity approximate 1 0 2 1 8 US pt 1 3 4 Imp pt Oil pump maximum pressure Revision January 2005 PS 28 8 800 kPa 89 76 kg cm 1 276 psi 2004 Quest SERVICE DATA AND SPECIFICATIONS SDS Steering Gear and Linkage EGSOD04J Applied model All Steering gear type PR26AD Ae Inner CS B ball joint Measuring Outer C A ball joint SST468C Swinging force at cotter pin hole A 6 47 64 63 N 0 66 6 59 kg f 1 46 14 53 Ib f Tie rod outer ball joint Rotating torque B 0 29 2 94 N m 3 0 30 0 kg cm 2 6 26 0 in Ib Axial end play C 0 4 mm 0 016 in or less Swinging toreg A 5 69 45 60 N 0 58 4 65 kg f 1 28 10 25 Ib f Tie rod inner ball joint Measuring point 172 mm 6 77 in PS Axial end play C 0 2 mm 0 008 in or less Inner tie rod Lock nut Outer
27. tie rod WGIAO114E Tie rod standard length L 204 7 mm 8 059 in 210 7 298 9 N 21 49 Range within 11 5 mm 40 453 in from Average force 30 49 kg f 47 37 the neutral position at rack speed of 3 5 67 19lb f Dus mm 0 138 in s i j Rack sliding force Maximum force devi 98 N 10 kg f 22 Ib f Under normal operating oil pressure ation Maximum force 299 N 30 5 kg f 67 2 Ib f Except for the above range i j j x Maximum fore devl i47 N 15 kg f 33 p f WGIAO0115E Rack stroke S 73 5 mm 2 89 in Revision January 2005 PS 29 2004 Quest SERVICE DATA AND SPECIFICATIONS SDS Revision January 2005 PS 30 2004 Quest
28. to PS 6 Checking Fluid Leakage e Check connection with steering column for looseness e Prior to removing the steering gear from the vehicle check rack sliding force Refer to PS 14 CHECK ING RACK SLIDING FORCE e f rack sliding force is not within specification adjust rack sliding force Refer to PS 19 Adjustment for Rack Sliding Force CHECKING STEERING LINKAGE Check ball joint and other component parts for looseness wear and damage CHECKING GEAR HOUSING MOVEMENT 1 2 Check the movement of steering gear housing during stationary steering on a dry paved surface e Apply a force of 49 N 5 kg 11 Ib to steering wheel to check the gear housing movement Turn off ignition key while checking Movement of gear housing 2 mm 0 08 in or less If movement exceeds the limit replace or repair as necessary CHECKING RACK SLIDING FORCE 1 2 3 Disconnect steering column lower joint and knuckle arms from the gear Start and run engine at idle to make sure steering fluid has reached normal operating temperature Pull tie rod slowly using Tool to move it from neutral position to 11 5 mm 40 453 in at speed of 3 5 mm 0 138 in s Check that rack sliding force is within specification Tool number J 44183 A Average rack sliding force 210 7 298 9 N 21 49 30 49 kg f 47 37 67 19 Ib f Maximum force deviation 98 N 10 kg f 22 Ib f Check sliding force outside the above range at rack sp
29. val of steering column assembly REMOVAL 1 Remove spiral cable from steering column assembly with combination switches attached Refer to SRS 46 Removal and Installation Revision January 2005 PS 9 2004 Quest STEERING COLUMN 2 Remove tilt lever knob from tilt lever by inserting a suitable tool into slot of tilt knob then depress tab and withdraw tilt lever As ue L knob Tilt lever knob WGIAO0061E 3 Remove instrument driver lower panel Refer to IP 10 Removal and Installation Remove steering column cover and ignition key finisher Refer to IP 10 Removal and Installation 5 Remove mounting screws of knee protector then remove knee protector from vehicle A Knee protector lt VG seiaoa70e 6 Remove lock nut and bolt then separate lower joint from upper joint No ec tower joint 7 Remove mounting nuts from steering member remove steering column assembly from steering member 7e Steering column assembly i CRAS sonora 8 Remove hole cover seal and clamp 9 Remove mounting nuts then remove hole cover from dash panel Revision January 2005 PS 10 2004 Quest STEERING COLUMN 10 Raise vehicle then remove mounting bolt lower side of lower joint and remove lower joint from vehicle SGIA0474E INSPECTION AFTER REMOVAL e Check for damage to steering column jacket tube if damage is found replace steering column with new one
30. y from drive shaft Unscrew mounting bolts of bracket and remove bracket from body assembly 9 ON Revision January 2005 PS 22 2004 Quest POWER STEERING OIL PUMP 6 Remove snap ring from drive shaft assembly and press it out CAUTION When removing snap ring be careful not to damage drive shaft assembly Extension bar Drive shaft SSTO10B 7 Using a screwdriver remove oil seal for body assembly 8 Remove O ring from body assembly 9 Loosen union bolt and remove joint and washers then pull out flow control valve and spring from body assembly Flow control valve WGIAO116E 10 Remove suction pipe from body assembly 11 Remove O ring for suction pipe INSPECTION AFTER DISASSEMBLY Body Assembly and Rear Cover Inspection e Check the body assembly and the inside of rear cover for damage If any damage is found replace the rear cover with a new rear cover and replace the power steering pump assembly with a new one for a damaged body assembly Cartridge Assembly Inspection e Check the cam ring side plate rotor and vane for damage If any damage is found replace the cartridge assembly and side plate with a new one Relief Valve Assembly Inspection e Check the relief valve assembly for damage If any damage is found replace it with new one ASSEMBLY CAUTION When holding the drive shaft in a vise always use copper or aluminum plates between vise and drive shaft to prevent damage NOTE Mount oil pu
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