Nissan RB26DETT - Instruction
Contents
1. Apply small amount of liquid gasket to the inside of the cylinder head then insert the oil separator Secure the baffle plate with the stock bolt See Fig 2 Liquid Gasket 5 Removing the intake camshaft 1 Follow the instructions of the factory manual 2 Inspect the removed intake camshaft cam cap and lifter If any defect is found make sure what the cause is Replace the parts if necessary 6 Confirming the Valve Clearance of the Exhaust Camshaft 1 Follow the instructions of the factory manual 2 Turn the crankshaft and lower the piston from the top dead center so that the exhaust camshaft can be turned 3 Adjust the valve clearance to be within the standard value Exhaust Side 0 35 0 41mm under cold condition 4 After the adjustment leave the exhaust camshaft uninstalled 4 7 Adjusting the Valve Clearance by V Cam 1 Follow the instructions of the factory manual to install the V Cam ATTENTION When tightening the cam cap make sure the V Cam is placed parallel If not the V Cam may be broken 2 Adjust the valve clearance to be within the standard value Intake Side 0 42 0 48mm under cold condition 3 Make sure if the V Cam is rotated smoothly then remove it 8 Installing Oil Line Adaptor 1 Make sure there is no dust and or scratch on the journal 2 Apply engine oil to the journal Hold the adaptor while tightening the bolt 3 Place the oil line adapto2. TT Setting the fuel injection volume and ignition timing TT Correcting the valve timing map This product adjusts the valve timing by the engine oil s pressure In any of the following case the oil pressure is decreased the best fuel injection volume and ignition timing cannot be set The oil pump cannot provide sufficient amount of flow due to too low engine RPM O The low viscosity oil is used The oil becomes high temperature The high temperature oil lowers the viscosity and decreases the oil pressure The engine oil is degraded The abrasion of the oil pump widens the clearance O The oil pump inhales air at rapid acceleration or circuit driving When the valve timing variable setting is not sufficient it s recommended to replace the oil pump to the large capacity pump such as HKS Oil Pump Upgrade P N 2503 RNO01 This product was developed to improve engine output Improving engine output may affect the oil and or water temperature the oil pressure and the fuel volume To preserve engine performance maintain engine conditions when driving PARTS LIST 1 Cylinder Head Cover 1 PART NUMBER DESCRIPTIONS IMAGE REMARKS 3 L2 Intake Side 2 3 G89431 N21010 00 Camshaft Angle Sensor 4 91112 155100 Flange Bolt 2 gt M6 x 14 5 G14532 K00010 00 Adaptor Connector 1 7 M16 NPT1 8 6 G14539 K00010 00 Oil Filter 1 a 7 FCM2001 Straight Connecto
3. the stock oil filter add a fine meshed filter in the oil line Oil resisting hose must be used for oil lines e g HKS Flexible Hose O To use Type B use one of following piston kits HKS Forged Piston Kit Series for RB26DETT Part Number Part Number Part Number Part Number Part Number Part Number 2103 RN020 2103 RN019 2103 RN021 2103 RN017 2103 RN018 2103 RN013 Part Number 2103 RN015 2 8L STEP2 Part Number 2103 RN016 2 8L STEP3 Please refer to the instruction attached each kit for the installation of the piston kit 2 Tools necessary for the installation Silicone grease relevant to Three Bond 1855 O Torque Wrench Torque Spec 3 0 Nm 90 Nm O Vernier Caliper O Dial Gauge O Magnet Stand O Graduation Plate Thickness Gauge Installation must be done by referring to the factory manual 3 2 Checking the Included Parts Type B Onl 1 Check if there is any missing parts or shortage referring to the parts list The pulley for Type B unit has a dimple mark on the back See Fig 1 2 Remove all sensors temporarily installed on the included head cover 3 Cleaning Parts 1 Clean the inner of a pipe or adaptor where oil goes through 4 Replacing Baffle Plate 1 Remove the baffle plate from the stock head cover Oil Separator Make sure not to bend the plate 2 Clean the oil separator and baffle plate 3 Fix a bend of the removed baffle plate if necessary 4
4. HKS VALCON PLUS V CAM SYSTEM STEP 1 INSTRUCTION MANUAL NAME OF PRODUCT RB26 V CAM SYSTEM STEP1 USE AUTOMOBILE PARTS PART NUMBER 22007 AN002 TYPE A 22007 AN003 TYPE B MAKE NISSAN SKYLINE GT R ENGINE RB26DETT AUG 1989 DEC 1994 BNR32 YEAR JAN 1995 DEC 1998 BCNR33 JAN 1999 AUG 2002 BNR34 REMARKS Type A cannot be used with an engine which cylinder head s bottom side is modified To install Type B HKS Forged Piston Kit for RB26DETT is required in addition Please see the instruction Before the Installation below Additional piping for oil is required to install this product The camshaft for the exhaust side is not included in this kit NOTICE This manual assumes that you have and know how to use the tools and equipment necessary to safely perform service operations on your vehicle This manual assumes that you are familiar with typical automotive systems and basic service and repair procedures Do not attempt to carry out the operations shown in this manual unless these assumptions are correct Always have access to a factory repair manual To avoid injury follow the safety precautions contained in the factory repair manual THIS MANUAL amp THIS PRODUCT This manual indicates items you need to pay attention to in order to install this product safely and lists precautions to avoid any possible damage and or accidents The installation must be done by referring to the
5. factory manual If the factory manual is not available please purchase it from the dealer To use this product on the public road follow the necessary procedures if there are any regulations for a tuned vehicle HKS will not be responsible for any damage caused by incorrect use or use after modification and or dismantling of this product This product was designed for installation and use on a factory vehicle or a vehicle using other HKS products The performance and or safety cannot be guaranteed if this product is installed onto other vehicles than mentioned above This product is designed for use in Japan only It must not be used in any other country The specifications of this product including installation components etc are subject to be changed without notice This manual is subject to be revised without notice PRODUCT CHARACTERISTICS This product is to add the variable valve timing system to the RB26 engine This system continuously sets the valve timing to the value which was calculated from the preset map utilizing the engine oil s pressure By changing the intake camshaft s valve timing corresponding to the engine conditions the slip back of the air fuel mixture made at low mid RPM can be reduced it improves the charging rate in the cylinder and increases the torque Also tuning the valve timing and the engine RPM can improve the torque in all RPM level The increased combustion gas can raise the boost faster even
6. is changed when the installing position of the crankshaft s angle sensor is change In this case the resetting of the offset value of the controller is needed 7 Do not drive in the high RPM right after installing the camshaft Breaking in must be done 10 MAINTENACE e Daily check up on the vehicle must be done by the owner e Do not conduct any operation not stated in the user s manual Contact your dealer e Choose the appropriate spark plug for your driving conditions HKS Super Fire Racing Plug is recommended Contact your dealer for selection e Change the engine oil regularly Using HKS engine oil is recommended e Check the tension and abrasion of the timing belt every 10 000 km Pay attention the following while driving and after driving e Do ldling or after idling be done if necessary e Do not raise the RPM rapidly or rev the engine a few times while in neutral when the engine is not warmed up e Even after the engine is warmed up do not rev the engine a few times while in neutral to avoid possible damage to the engine WARNING elf any leakage Oil Water is noticed do not start the engine eWhile driving any unusual symptom such as rapid decline of the oil pressure is noticed immediately stop driving Make sure oil is not leaking If oil is leaking do not restart the engine Contact the dealer for repair the leakage TT Follow the dealer s instruction If the oil leakage is in a terrible condition as
7. it 2 After making sure the dowel pin and the dowel pin hose position are correct insert the variable valve timing unit into the V Cam See Fig 6 Since the clearance of the shaft is narrow insert the unit carefully not to make scratch 3 After the dowel pin is inserted completely install the included flange bolt w through hole 4 Tighten the flange bolt w through hole while the variable valve timing unit is turned to right slightly and hold it To hold the unit use the octagonal part of the camshaft s center Do not put force toward the turning direction on the unit ToegeSpecNimtettet T 85 95 8 7 9 7 ATTENTION Do not loosen the bolt on the back of the variable valve timing unit It may cause malfunction to the unit 16 Measuring the V P 1 Set the dial gauge to the intake side lifter See Fig 7 2 Rotate the crankshaft and set the piston at the top dead center 3 Rotate the V Cam slowly Note the lift value on the dial gauge when you feel a response 3 Reverse the V Cam and reposition to the original position 5 Make sure the dial gauge is reset 6 For the Type A the lift value should be more than 4 4mm For the Type B it should be more than 6 7mm 7 Remove the dial gauge and install the exhaust camshaft Degrease the mating side o fi A Ka Dowel Pin Hole Measure the lift value with the diale gauge Rotate the camshaft till the valve slightl
8. k the dealer for the temporary measure It may cause a fire eWhen any damage or unusual symptom is noticed do not bring the vehicle to the dealer by driving to prevent additional damage Do not try to repair the vehicle by yourself You must consult your dealer for repair Any unusual noise smell vibration while driving is noticed take necessary measure referring to the factory manual 11
9. nto the adaptor connector The taper screw part is NPT1 8 therefore to avoid over tightening apply piping sealant or use seal tape 2 Reinstall the oil filter and the adaptor connector following the reverse procedure of disassembling the temporary installed head cover Apply silicone grease to the O ring Oil Contorol Valve Fig 11 3 After applying silicone grease to the O ring of the oil control valve OCV carefully insert it to the end After making sure if the plate sits tightly install the bolt TorquelspecNiimi keiiim 7 8 0 71 0 82 4 Connect the oil s exit and adaptor connector using oil piping Secure the piping not to put excessive force put on the connection Please refer to 1 Before the Installation about the exit of oil 22 Assembling the Engine 1 Reconnect all wiring and piping to replace the camshaft 2 Complete wiring referring to the instructions of the controller Check the following after the installation process is complete and before starting the engine CHECK POINTS CHECK Make sure the valve clearance is within the standard value range Make sure the valve timing is within the designated value range Make sure the clearance between the valve and piston is more than the designated value Make sure pipes and hoses are routed and connected correctly Make sure pipes and hoses are not twisted or bent Make sure the level gauge for the engine oil is be
10. nuts 4 pcs See Fig 4 Tome Spectre T 7 8 0 71 0 82 A Adaptor Mounting Plate Narrow side should face outward 11 Installing the Joint Pipe ch lt Clean the joint pipe Install the O ring onto the Kaz Joint Pipe both ditches of the joint pipe See Fig 4 O ring x 2 N Apply silicone grease to the O rings Make sure they can be inserted into the hole on the head cover side If the rings cannot be inserted modify the edge part of the taper 3 Install the joint pipe onto the hole of the oil line adaptor Fig 4 12 Installing the Exhaust Camshaft 1 Follow the instructions of the factory manual to install the exhaust camshaft 13 Install the Cam Oil Seal 1 Apply silicone grease to the inside oil seal then install it onto the cylinder head ATTENTION Do not drive in the oil seal too much It may cause oil leakage since the length of the portion the oil seal and the variable valve timing unit are connected is not long enough 14 Installing the Rear Belt Cover 1 Remove the grommet and collar of the M8 bolt attached onto the rear belt cover 2 Insert the included spacer and install the included rubber washer See Fig 5 3 Secure the rear cover using the included dish bolt See Fig 5 TORGUETSPECINGM KGHM T 16 22 1 6 2 2 15 Installing the Variable Valve Timing Unit 1 Degrease the edge of V Cam and the mating side of the variable valve timing un
11. r 1 aw NPT 1 8 AN4 8 SG 1231 N48010 00 Head Cover Gasket 1 ia 9 24003 aKoor oi Filler Cap 1 Gi 10 E11210 K00010 00 Name Plate 1 GG 11 Camshaft STEP1 1 Pa 248 8 6 12 G13574 K00010 00 Flange Bolt w Through hole 1 M12 x 35 13 G14510 N48020 00 Variable Valve Timing Unit A For Type A Only 13 For Type B Only 15 G90191 051001 A2 Extra Low Head Cap Screw 3 ie M5 x 10 ie e 16 G14532 N48020 00 Oil Line Adaptor 1 S 17 G14551 N48020 00 Joint Pipe 2 ya 18 G96216 150055 00 O ring 4 ED 10 955 19 G14534 N48020 00 Adaptor Mounting Plate 20 G13574 N48040 00 Cam Cap Bolt 4 21 84110 061008 Self Lock Nut 4 PARTS LIST 22 G90311 062101 0A Plain Washer 4 lt D M6 24 G91421 700815 C0 Flat Head Bolt al JE mw x 15 25 G90315 120001 00 Rubber Washer 1 lt D C922 x 12x 3 26 Controller Wiring Diagram Manual 1 Sms For RB26 Only 27 E04121 N48031 00 Instruction Manual 1 pa Installation 1 Before the Installation 1 Parts necessary for the installation Oil lines Diameter should be larger than AN4 and the exit of oil The exit of oil must be located after the stock oil filter and where can maintain the oil pressure e g Connector of the stock oil pressure sensor or filter replacing type The oil filter included in this kit cannot filter small debris If the exit of oil is in before
12. r as shown in Fig 3 4 Tighten the bolt with hand till the bolt reaches to the bottom Then hold the mating side of the oil line adaptor from side to the V Cam Tighten the bolt equally at the point where there is no gap between the cap and the camshaft Tome Spectre T 2 7 3 3 0 3 5 Make sure the oil line adaptor can be rotated lightly If the adaptor does not rotate reinstall it from the beginning If not it may cause seizure Cam Lobe Side 9 Installing the V Cam 1 Replace the stock cam cap bolt of the journal 1 and 2 4 pcs to the bolts included in the kit 2 Follow the instructions of the factory manual to install the V Cam Make sure the oil line adaptor does not get caught in the cylinder head TORGUEISPECINGM KGHM T 9 12 0 92 1 2 3 Make sure the oil line adaptor does not come in contact with the cylinder head when the mating side is put together with the upper side of the cylinder head 10 Installing the Adaptor Mounting Plate 1 Set the adaptor mounting plate after making sure Self Lock Nut the direction of the plate is correct See Fig 4 Joint Pipe O ring x 2 Plain Washer 4 points 2 If the oil line adaptor does not rotate at all it may come in contact with the cylinder head If so remove the camshaft with the adaptor and shave the portion which comes in contact with the cylinder head C Install the adaptor mounting plate using the plain washers 4 pcs and the self lock
13. ttom of the head cover d Shave the corners touch the cam 2 Make sure all necessary parts have installed kover Carefully install the head cover placing it parallel to the cylinder head Maintain the force onto the head cover not to damage the O ring of the joint pipe 3 Make sure there is no gap between head cover gasket and the cylinder head 4 Make sure positions of the head cover s hole and the tapped hole in the cylinder head side are matched Then tighten the bolt 5 If the holes are not matched there is a possibility that somewhere inside of the head cover is in contact with the baffle plate on the cam cap 3 and 4 If so remove the cam cover and the baffle plate Shave the portion of the baffle plate which is touching the cam cover Reinstall the cam cover and the baffle plate See Fig 9 8 20 Installing the Camshaft Angle Sensor 1 Measure the position of the trigger s tip The distance between the mount surface and the tip should be from 29 5 to 31 0 mm See Fig 10 If the actual distance is not within this range check the gasket s condition or if the head cover is in contact with other parts of the vehicle 2 Apply silicone grease to the O ring then insert the camshaft angle sensor Tighten the bolt See Fig 11 TerquelSpecINGm kGinm T 4 5 5 5 0 46 0 56 Apply silicone grease Oil Filter 21 Assembling the Oil Flow Parts 1 Install the AN4 connector o
14. tween H L Make sure all bolts and nuts are tightened Make sure installed components are not in contact with other parts of the vehicle 1 Check the oil and coolant 2 Remove the coupler connecting to the oil control valve OCV ATTENTION Once the coupler connecting the oil control valve OCV the camshaft s phase won t be advanced To avoid possible damage to the engine leave the coupler removed until the initial setting is complete 3 Before staring the engine turn the cell motor on for a few second to increase the oil pressure without installing the spark plugs O Check the following after starting the engine CHECK POINTS CHECK Make sure oil is not leaking Make sure air is not leaking Make sure the installed parts are not hitting each other Make sure all bolts and nuts are still tightened after stopping the engine 1 After idling change the crank sensor s position and adjust the ignition timing 2 Record the angle indicated in the controller Make sure the angle is 5 of the valve timing measured in sec 17 2 3 After stopping the engine connect the oil control valve OCV and complete the initial setting of the controller referring to the instructions of the controller 4 After restarting the engine make sure the indicator works when increasing the RPM 5 Complete setting of fuel ignition and valve timing 6 The valve timing
15. with a large size turbo At idle the overlap becomes smaller It stabilizes the combustion reduces the engine vibration and produces a cleaner exhaust gas mixture Type A was designed to work with Nissan stock pistons The kit works only by replacing the stock camshaft to HKS V cam However the maximum variable angle was set up to 30 therefore Type B shows better torque improvement at low RPM The maximum variable angle for Type B was set up to 50 therefore the pistons must be replaced to HKS Forged Piston Kit Modification to the cylinder head and or replacing valve train parts is not necessary USAGAE CONDITIONS Avoid over revving on downshifts etc WARNING Over Revwving may cause damage to the engine Type A was designed to be installed onto the stock engine Therefore if the bottom side of the cylinder head was modified the cylinder head gasket is thinner and or the valve recess is shallower than the stock Type A cannot be used The following parts are required to use Type B HKS Forged Piston Kit for RB26DETT P N 2103 RNO17 etc The allowable engine RPM to use the stock valve spring is 8 000 rpm The following operations must be done to install this product O Measuring the valve timing Measuring and adjusting the valve clearance O Measuring V P the clearance between a valve and a piston The following operations must be done to preserve the product s performance and safe use
16. y touches the piston piston at the 17 Installing the Timing Belt 1 Install the timing belt mating the match mark SeeFig 8 Mate the match mark ATTENTION Type A was designed to used with the stock pistons however at the most advance angle the gap between the valve and the piston becomes very narrow Therefore if the belt s position is wrong even by one tooth of the gear the engine may get damaged at the most advance angle 2 Adjust the tension of the timing belt precisely referring to the factory manual ATTENTION f the timing belt is pulled too much it may cause noise after the engine is started or damage to the camshaft 3 Install the cover plate using the included extra low head cap screw after making sure the O ring was installed correctly Do not use a generic bolt It may come in contact with the timing belt cover Tore Spechtmbettt T 2 7 3 3 0 3 18 Measuring the Valve Timing 1 Set the graduations plate and the dial gauge Measure the valve timing in correct rotating direction 2 Measure the valve timing at 1 mm lift Calculate the median value Type A ATDC more than 120 Type B ATDC more than 125 3 When the value is different more than 10 the pulley s position is needed to be confirmed 1 gear of the pulley is equivalent to 15 of the crankshaft s angle 19 Installing the Head Cover 1 Install the gasket onto the ditch in the bo
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