Acura CL Integra NSX RL RSX TL TSX 2001-2006

Timing Belt, Cover, Sprockets, & Seal

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Removal & Installation




NOTE
The radio may have a coded theft protection circuit. Obtain the code before disconnecting the battery, removing the radio fuse, or removing the radio.

3.0L (J30a1) And 3.2L (J32a1) Engines
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following: Negative battery cableIgnition coil coverFront tire/wheel assembliesSplash shield from under the vehicleDrive belts

    Negative battery cable
     
    Ignition coil cover
     
    Front tire/wheel assemblies
     
    Splash shield from under the vehicle
     
    Drive belts
     

  4.  
  5. To remove the engine-to-chassis side mount, located at the front of the engine, perform the following procedure: Using a floor jack, position a cushion between the jack and the oil pan.Raise the engine slightly to take the weight off of the side mount.Remove the side mount-to-engine bracket bolt, the side mount-to-chassis bolts and the side mount.
    1. Using a floor jack, position a cushion between the jack and the oil pan.
    2.  
    3. Raise the engine slightly to take the weight off of the side mount.
    4.  
    5. Remove the side mount-to-engine bracket bolt, the side mount-to-chassis bolts and the side mount.
    6.  

  6.  
  7. Remove the dipstick and the dipstick tube-to-engine bolt; then, pull the tube from its O-ring mount. Discard the O-ring.
  8.  
  9. Turn the engine to align the timing marks and set cylinder No. 1 to Top Dead Center (TDC) on the compression stroke. The white mark on the crankshaft pulley should align with the pointer on the timing belt cover. Remove the inspection caps on the upper timing belt covers to check the alignment of the timing marks. The pointers for the camshaft pulleys should align with the marks on rear upper cover mark.
  10.  
  11. Using the Holder Handle and the 50mm Offset Holder Attachment tool 07MAB-PY3010A and a 19mm socket, secure the crankshaft pulley and remove the crankshaft pulley bolt.
  12.  
  13. Remove or disconnect the following: Washer and pull the crankshaft pulley from the engineAll necessary components for access to the timing belt coversUpper and lower timing belt covers. Clean any dirt, oil or grease from the covers. Do not use the covers for storing removed items.One of the battery clamp bolts and grind a 45 bevel on the threaded end. Screw the battery clamp bolt into hole provided at the base of the right cylinder head to hold the timing belt adjuster in its current position; tighten the bolt by hand, Do NOT use a wrench.Engine mount bracket

    Washer and pull the crankshaft pulley from the engine
     
    All necessary components for access to the timing belt covers
     
    Upper and lower timing belt covers. Clean any dirt, oil or grease from the covers. Do not use the covers for storing removed items.
     
    One of the battery clamp bolts and grind a 45 bevel on the threaded end. Screw the battery clamp bolt into hole provided at the base of the right cylinder head to hold the timing belt adjuster in its current position; tighten the bolt by hand, Do NOT use a wrench.
     
    Engine mount bracket
     

  14.  
  15. At the base of the left cylinder head, loosen the idler pulley bolt about 5-6 turns; then, remove the timing belt.
  16.  


    Click image to see an enlarged view

    Fig. Using battery clamp bolt to hold timing belt adjuster in position-3.0L (J30A1) and 3.2L (J32A1) engines



    Click image to see an enlarged view

    Fig. Crankshaft sprocket alignment mark positioning for TDC-3.0L (J30A1) and 3.2L (J32A1) engines



    Click image to see an enlarged view

    Fig. Left camshaft sprocket alignment mark positioning for TDC-3.0L (J30A1) and 3.2L (J32A1) engines



    Click image to see an enlarged view

    Fig. Right camshaft sprocket alignment mark positioning for TDC-3.0L (J30A1) and 3.2L (J32A1) engines


To install:


CAUTION
Do not rotate the crankshaft pulley or camshaft pulleys with the timing belt removed. The pistons may hit the valves and cause damage.

  1. Remove the spark plugs.
  2.  
  3. Set the timing belt drive (crankshaft) sprocket so that the No. 1 piston is at Top Dead Center (TDC). Align the TDC mark on the tooth of the timing belt drive sprocket with the pointer on the oil pump.
  4.  
  5. Set the camshaft pulleys so that the No. 1 piston is at TDC. Align the TDC mark on the camshaft pulleys to the pointers on the back covers.
  6.  
  7. Remove the battery clamp bolt from the back cover. Remove the auto-tensioner.
  8.  
  9. Service the auto-tensioner by performing the following procedure: Position the auto-tensioner in a soft jawed vise with the maintenance bolt facing upward. DO NOT grip the body of the auto-tensioner.Remove the maintenance bolt.Be careful not to spill the oil from inside the tensioner. If oil is spilled, replenish it; the total capacity is 0.22 fl. oz. (6.5 ml).Using Stopper tool 14540-P8A-A01, position it on the auto-tensioner while turning the internal screw.Insert a flat-blade screwdriver into the maintenance hole and turn it clockwise to compress the bottom.
    1. Position the auto-tensioner in a soft jawed vise with the maintenance bolt facing upward. DO NOT grip the body of the auto-tensioner.
    2.  
    3. Remove the maintenance bolt.
    4.  
    5. Be careful not to spill the oil from inside the tensioner. If oil is spilled, replenish it; the total capacity is 0.22 fl. oz. (6.5 ml).
    6.  
    7. Using Stopper tool 14540-P8A-A01, position it on the auto-tensioner while turning the internal screw.
    8.  
    9. Insert a flat-blade screwdriver into the maintenance hole and turn it clockwise to compress the bottom.
    10.  

  10.  


WARNING
Be careful not to damage the threads or the gasket contact surface with the screwdriver.

  1. Using a new gasket, reinstall the maintenance bolt and torque it to 6 ft. lbs. (8 Nm).
  2.  
  3. Make sure that no oil is leaking around the maintenance bolt and install the auto-tensioner; torque the bolts 33 ft. lbs. (44 Nm).
  4.  


NOTE
Make sure that the Stopper tool 14540-P8A-A01 stays in place.

  1. Install the timing belt on the sprockets in the following sequence: drive sprocket (crankshaft), idler pulley, left camshaft sprocket, water pump pulley, right camshaft sprocket and adjusting pulley.
  2.  
  3. Torque the idler pulley bolt to 33 ft. lbs. (44 Nm).
  4.  
  5. Remove the Stopper tool from the auto-tensioner.
  6.  
  7. Install or connect the following: Engine mount-to-engine and torque the No. 10 bolts to 33 ft. lbs. (44 Nm) and the No. 6 bolt to 104 inch lbs. (12 Nm)Lower and upper timing belt coversCrankshaft pulley and finger-tighten the bolt and washer. Using the Holder Handle and the 50mm Offset Holder Attachment tool 07MAB-PY3010A and a 19mm socket with a torque wrench, tighten the crankshaft pulley bolt to181 ft. lbs. (245 Nm).

    Engine mount-to-engine and torque the No. 10 bolts to 33 ft. lbs. (44 Nm) and the No. 6 bolt to 104 inch lbs. (12 Nm)
     
    Lower and upper timing belt covers
     
    Crankshaft pulley and finger-tighten the bolt and washer. Using the Holder Handle and the 50mm Offset Holder Attachment tool 07MAB-PY3010A and a 19mm socket with a torque wrench, tighten the crankshaft pulley bolt to181 ft. lbs. (245 Nm).
     

  8.  
  9. Rotate the crankshaft 5-6 turns clockwise so that the timing belt positions itself properly on the sprockets.
  10.  
  11. Set cylinder No. 1 to TDC by aligning the timing marks. If the timing marks do not align, remove the timing belt, then adjust the components and reinstall the timing belt.
  12.  
  13. Install all applicable components.
  14.  
  15. To complete the installation, reverse the removal procedures. Adjust the tension of the drive belts.
  16.  

3.2L (C32a6) Engines

NOTE
Under normal driving conditions, the timing belt and timing balancer belt are to be replaced at 105,000 miles (168,000 km).

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Be sure to acquire the anti-theft code for the radio and the frequencies for the radios preset buttons.
  4.  
  5. Remove or disconnect the following: Negative battery cableLeft wheel well splash shieldPower steering pump belt by loosening the power steering pumps adjusting bolt, locknut and mountingAlternator belt by loosening the alternator adjusting bolt, locknut and mounting nutAlternator terminal and connector

    Negative battery cable
     
    Left wheel well splash shield
     
    Power steering pump belt by loosening the power steering pumps adjusting bolt, locknut and mounting
     
    Alternator belt by loosening the alternator adjusting bolt, locknut and mounting nut
     
    Alternator terminal and connector
     

  6.  
  7. To remove the engine-to-chassis center bracket, located at the front of the engine, perform the following procedure: Using a floor jack, position a cushion between the jack and the oil pan.Raise the engine slightly to take the weight off of the center bracket.Remove the center bracket-to-engine bolts, the center bracket-to-chassis bolts and the center bracket.
    1. Using a floor jack, position a cushion between the jack and the oil pan.
    2.  
    3. Raise the engine slightly to take the weight off of the center bracket.
    4.  
    5. Remove the center bracket-to-engine bolts, the center bracket-to-chassis bolts and the center bracket.
    6.  

  8.  
  9. Remove or disconnect the following: TCS upper and lower bracketsTCS throttle sensor and actuator connectors and remove the TCS control valve assemblyOil pressure switch connector, the engine ground cable and the engine wire harness cover, from the front of the engineDipstick and the dipstick tube-to-engine bolt; then, pull the tube from its O-ring mount. Discard the O-ring.

    TCS upper and lower brackets
     
    TCS throttle sensor and actuator connectors and remove the TCS control valve assembly
     
    Oil pressure switch connector, the engine ground cable and the engine wire harness cover, from the front of the engine
     
    Dipstick and the dipstick tube-to-engine bolt; then, pull the tube from its O-ring mount. Discard the O-ring.
     

  10.  
  11. Turn the engine to align the timing marks and set cylinder No. 1 to Top Dead Center (TDC) on the compression stroke. The white mark on the crankshaft pulley should align with the pointer on the timing belt cover. Remove the inspection caps on the upper timing belt covers to check the alignment of the timing marks. The pointers for the camshafts should align with the marks on the camshaft sprockets.
  12.  
  13. Using the Holder Handle and the 50mm Offset Holder Attachment tool 07MAB-PY3010A and a 19mm socket, secure the crankshaft pulley and remove the crankshaft pulley bolt. Washer and pull the crankshaft pulley from the engineNecessary components for access to the timing belt coversUpper and lower timing belt covers. Clean any dirt, oil or grease from the covers. Do not use the covers for storing removed items.

    Washer and pull the crankshaft pulley from the engine
     
    Necessary components for access to the timing belt covers
     
    Upper and lower timing belt covers. Clean any dirt, oil or grease from the covers. Do not use the covers for storing removed items.
     

  14.  
  15. Loosen the timing belt tensioner adjusting bolt 180 degrees (1/2 turn). Push on the tensioner to remove tension from the timing belt, then tighten the adjusting bolt. Timing belt12

    Timing belt
     

  16.  
  17. If necessary, remove the timing belt tensioner by performing the following: Remove the spring from the tensioner.Remove the bolt mounting the tensioner, then remove the tensioner.
    1. Remove the spring from the tensioner.
    2.  
    3. Remove the bolt mounting the tensioner, then remove the tensioner.
    4.  

  18.  


    Click image to see an enlarged view

    Fig. Crankshaft timing belt sprocket alignment mark locations-3.2TL 3.2L (C32A6) engines



    Click image to see an enlarged view

    Fig. Left camshaft sprocket alignment mark positioning for TDC-3.2TL 3.2L (C32A6) engines



    Click image to see an enlarged view

    Fig. Right camshaft sprocket alignment mark positioning for TDC-3.2TL 3.2L (C32A6) engines


To install:


CAUTION
Do not rotate the crankshaft pulley or camshaft pulleys with the timing belt removed. The pistons may hit the valves and cause damage.

  1. If necessary, install the timing belt tensioner by performing the following: Install the tensioner and the attaching bolt.Move the tensioner its full deflection to the left and tighten the bolt.Install the spring to the tensioner.
    1. Install the tensioner and the attaching bolt.
    2.  
    3. Move the tensioner its full deflection to the left and tighten the bolt.
    4.  
    5. Install the spring to the tensioner.
    6.  

  2.  
  3. Remove the spark plugs.
  4.  
  5. Set the timing belt drive (crankshaft) sprocket so that the No. 1 piston is at Top Dead Center (TDC). Align the TDC mark on the tooth of the timing belt drive sprocket with the pointer on the oil pump.
  6.  
  7. Set the camshaft pulleys so that the No. 1 piston is at TDC. Align the TDC mark on the camshaft pulleys to the pointers on the back covers.
  8.  
  9. Install the timing belt on the sprockets in the following sequence: drive sprocket (crankshaft), tensioner pulley, left camshaft sprocket, water pump pulley, right camshaft sprocket.
  10.  
  11. Loosen, then retighten the timing belt adjuster bolt to tension the timing belt.
  12.  
  13. Install the lower timing belt cover.
  14.  
  15. Install the crankshaft pulley and finger-tighten the bolt and washer. Using the Holder Handle and the 50mm Offset Holder Attachment tool 07MAB-PY3010A and a 19mm socket with a torque wrench, tighten the crankshaft pulley bolt to181 ft. lbs. (245 Nm).
  16.  
  17. Rotate the crankshaft 5-6 turns clockwise so that the timing belt positions itself properly on the sprockets.
  18.  
  19. Set cylinder No. 1 to TDC by aligning the timing marks. If the timing marks do not align, remove the timing belt, then adjust the components and reinstall the timing belt.
  20.  
  21. Rotate the crankshaft clockwise enough to move the camshaft pulley nine teeth (the blue mark on the crankshaft pulley should align with the pointer on the lower cover).
  22.  
  23. Loosen the timing belt adjusting bolt 180 degrees (1/2 turn), then tighten the bolt to 31 ft. lbs. (42 Nm).12
  24.  
  25. Install the upper timing belt covers, then install all applicable components. When installing the center bracket, tighten the bolts attaching the brackets to 40 ft. lbs. (54 Nm), then the mount through-bolt to 40 ft. lbs. (54 Nm).
  26.  
  27. To complete the installation, reverse the removal procedures. Adjust the tension of the drive belts.
  28.  

3.5L (C35a1) Engines

NOTE
Under normal driving conditions, the timing belt and timing balancer belt are to be replaced at 105,000 miles (168,000 km).

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Be sure to acquire the anti-theft code for the radio and the frequencies for the radios preset buttons.
  4.  
  5. Remove or disconnect the following: Negative battery cableStrut brace located at the top rear of the engine, if necessary

    Negative battery cable
     
    Strut brace located at the top rear of the engine, if necessary
     

  6.  
  7. Rotate the crankshaft pulley so that the No. 1 piston is at Top Dead Center (TDC) of its compression stroke. Top engine cover-to-engine bolts and the coverAir intake duct and air cleaner housingAlternator and A/C compressor drive beltsTCS control valve upper and lower bracketsPower steering beltTCS throttle sensor connector, the TCS throttle actuator connector and the Throttle Position (TP) sensorTCS control valve assembly.Vehicle Speed Sensor (VSS) harness connector and remove the wire harness holderBreather and vacuum hosesIgnition Control Module (ICM) bracket from the right timing belt cover Idler pulley bracket from the left side of the crankshaft pulleyDipstick and the dipstick tube-to-engine bolt; then, pull the tube from its O-ring mount. Discard the O-ring.

    Top engine cover-to-engine bolts and the cover
     
    Air intake duct and air cleaner housing
     
    Alternator and A/C compressor drive belts
     
    TCS control valve upper and lower brackets
     
    Power steering belt
     
    TCS throttle sensor connector, the TCS throttle actuator connector and the Throttle Position (TP) sensor
     
    TCS control valve assembly.
     
    Vehicle Speed Sensor (VSS) harness connector and remove the wire harness holder
     
    Breather and vacuum hoses
     
    Ignition Control Module (ICM) bracket from the right timing belt cover
     
    Idler pulley bracket from the left side of the crankshaft pulley
     
    Dipstick and the dipstick tube-to-engine bolt; then, pull the tube from its O-ring mount. Discard the O-ring.
     

  8.  
  9. Using the Holder Handle and the 50mm Offset Holder Attachment tool 07MAB-PY3010A and a 19mm socket, secure the crankshaft pulley and remove the crankshaft pulley bolt. Washer and pull the crankshaft pulley from the engineUpper and lower timing belt cover

    Washer and pull the crankshaft pulley from the engine
     
    Upper and lower timing belt cover
     

  10.  
  11. Loosen the balancer belt adjusting nut 180 (1/2) turn. Push the tensioner to relieve the tension from the balancer belt; then, retighten the adjusting bolt. Remove the balancer belt.12
  12.  
  13. Loosen the timing belt adjusting nut 180 (1/2) turn. Push the tensioner to relieve the tension from the timing belt; then, retighten the adjusting bolt. Remove the timing belt.12
  14.  


    Click image to see an enlarged view

    Fig. Crankshaft timing belt pulley alignment mark locations-3.5L (C35A1) engine



    Click image to see an enlarged view

    Fig. Left camshaft timing belt pulley alignment mark locations-3.5L (C35A1) engine



    Click image to see an enlarged view

    Fig. Right camshaft timing belt pulley alignment mark locations-3.5L (C35A1) engine



    Click image to see an enlarged view

    Fig. Securing the balancer shaft-3.5L (C35A1) engine



    Click image to see an enlarged view

    Fig. Balancer shaft alignment mark locations-3.5L (C35A1) engine


To install:

  1. Remove the spark plugs.
  2.  
  3. Remove the balancer belt drive pulley and the timing belt guide plate from the crankshaft.
  4.  
  5. Clean the upper and lower timing belt covers.
  6.  
  7. Position the timing belt pulley so the No. 1 piston is at TDC of its compression stroke. Align the mark on the pulley (near keyway) with the pointer mark on the oil pump.
  8.  
  9. Adjust the camshaft pulley so that the No. 1 piston is the TDC of the compression stroke. Align the TDC marks on the pulley with the upper surface of the back cover; the arrow mark on the left camshaft pulley and the 1 on the right camshaft pulley should be facing the back cover pointer.
  10.  
  11. Install the timing belt in the following sequence: Crankshaft timing belt pulley sprocket.Adjusting pulley.Left camshaft pulley.Water pump pulley.Right camshaft pulley.
    1. Crankshaft timing belt pulley sprocket.
    2.  
    3. Adjusting pulley.
    4.  
    5. Left camshaft pulley.
    6.  
    7. Water pump pulley.
    8.  
    9. Right camshaft pulley.
    10.  

  12.  


WARNING
Make sure that the camshaft and crankshaft pulleys are at TDC.


NOTE
For easier installation, turn the right camshaft pulley about 1 / 2 tooth from TDC.

  1. Loosen and retighten the timing belt adjusting bolt to tension the timing belt.
  2.  
  3. Install the lower cover and the crankshaft pulley.
  4.  
  5. Rotate the crankshaft pulley about 5-6 turns clockwise to position the timing belt on the pulleys.
  6.  
  7. To adjust the timing belt tension, perform the following procedure: Make sure that the No. 1 piston is at TDC of its compression stroke.Rotate the crankshaft clockwise ten teeth on the camshaft pulley; the blue mark on the crankshaft pulley should align with the lower cover pointer.Loosen the adjusting nut 180 (1/2 turn).Tighten the adjusting nut to 31 ft. lbs. (42 Nm).
    1. Make sure that the No. 1 piston is at TDC of its compression stroke.
    2.  
    3. Rotate the crankshaft clockwise ten teeth on the camshaft pulley; the blue mark on the crankshaft pulley should align with the lower cover pointer.
    4.  
    5. Loosen the adjusting nut 180 (1/2 turn).12
    6.  
    7. Tighten the adjusting nut to 31 ft. lbs. (42 Nm).
    8.  

  8.  
  9. Remove the crankshaft pulley and the lower cover; then, install the timing belt guide plate and the balancer belt drive pulley.
  10.  
  11. Align the balancer shaft pulley by performing the following procedure: Using a 6 x 45mm bolt, insert it into the maintenance hole and the balancer shaft.Align the pointer on the balancer belt pulley with the pointer on the balancer gear case.
    1. Using a 6 x 45mm bolt, insert it into the maintenance hole and the balancer shaft.
    2.  
    3. Align the pointer on the balancer belt pulley with the pointer on the balancer gear case.
    4.  

  12.  
  13. Adjust the timing belt drive pulley so that the No. 1 piston is at TDC of the compression stroke.
  14.  
  15. Install the balancer belt drive pulley and the balancer belt.
  16.  
  17. Loosen and retighten the balancer adjuster bolt to place tension on the balancer belt.
  18.  
  19. Remove the 6mm bolt and install the sealing bolt in the maintenance hole using a new washer.
  20.  
  21. Install the crankshaft pulley. Rotate the crankshaft pulley about 5-6 turns clockwise to position the timing belt on the pulleys.
  22.  
  23. Loosen the balancer belt adjuster bolt 180 (1/2 turn) and retighten the bolt to 33 ft. lbs. (44 Nm).12
  24.  
  25. Remove the crankshaft pulley.
  26.  
  27. Install the upper and lower timing belt covers and the crankshaft pulley.
  28.  
  29. Install the crankshaft pulley and finger-tighten the bolt and washer. Using the Holder Handle and the 50mm Offset Holder Attachment tool 07MAB-PY3010A and a 19mm socket with a torque wrench, tighten the crankshaft pulley bolt to 181 ft. lbs. (245 Nm).
  30.  
  31. Make sure the crankshaft and camshaft pulleys are at TDC.
  32.  


NOTE
If the camshaft or crankshaft pulley is not at TDC, remove the timing belt and re-perform the adjustment procedure.

  1. To complete the installation, reverse the removal procedures. Adjust the tension of the drive belts.
  2.  

 
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