Acura CL Integra NSX RL RSX TL TSX 2001-2006

Timing Belt Cover, Belt & Sprockets (2 of 3)

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Removal & Installation



2005-06 RL Models

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

  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Remove the right upper fender trim.
  4.  
  5. Check that the No. 1 piston Top Dead Center (TDC) mark on the front camshaft pulley and the pointer on the front upper cover are aligned.
  6.  
  7. Remove the right front wheel.
  8.  
  9. Remove the splash shield.
  10.  
  11. Remove the drive belt.
  12.  
  13. Remove the drive belt auto-tensioner.
  14.  
  15. Support the engine with a jack and wood block under the oil pan.
  16.  
  17. Remove the ground cable, then remove the side engine mount bracket.
  18.  
  19. Remove the front upper cover and rear upper cover.
  20.  
  21. Remove the crankshaft pulley.
  22.  
  23. Remove the lower cover.
  24.  
  25. Remove one of the battery clamp bolts from the battery tray, and grind the end of it as shown.

    Click image to see an enlarged view

    Fig. Check that the No. 1 piston Top Dead Center (TDC) mark on the front camshaft pulley and the pointer on the front upper cover are aligned-2005-06 RL model



    Click image to see an enlarged view

    Fig. Grind the battery tray clamp bolt as shown-2005-06 RL model



    Click image to see an enlarged view

    Fig. Screw the battery clamp bolt in as shown to hold the timing belt adjuster in its current position-2005-06 RL model

  26.  
  27. Screw the battery clamp bolt in as shown to hold the timing belt adjuster in its current position. Only tighten it by hand, do not use a wrench.
  28.  
  29. Remove the engine mount bracket
  30.  
  31. Remove the idler pulley bolt and idler pulley, then remove the timing belt.
  32.  

To install:

  1. If reusing the old belt, perform the following steps.
    1. Clean the timing belt pulleys, timing belt guide plate, and the upper and lower covers.
    2.  
    3. Set the timing belt drive pulley to TDC by aligning the TDC mark on the tooth of the timing belt drive pulley with the pointer on the oil pump.

      Click image to see an enlarged view

      Fig. Set the timing belt drive pulley to TDC by aligning the TDC mark on the tooth of the timing belt drive pulley with the pointer on the oil pump-2005-06 RL model



      Click image to see an enlarged view

      Fig. Align the front camshaft pulley to TDC as shown-2005-06 RL model



      Click image to see an enlarged view

      Fig. Align the rear camshaft pulley to TDC as shown-2005-06 RL model

    4.  
    5. Set the camshaft pulleys to TDC by aligning the TDC marks on the camshaft pulleys with the pointers on the back covers.
    6.  
    7. Apply liquid thread lock (P/N 08713-0001) to the idler pulley bolt, then loosely install the idler pulley bolt as the pulley can move and does not come off.
    8.  
    9. Install the timing belt in a counterclockwise sequence as follows:

      Drive pulley
       
      Idler pulley
       
      Front camshaft pulley
       
      Water pump pulley
       
      Rear camshaft pulley
       
      Adjusting pulley

      Click image to see an enlarged view

      Fig. Timing belt routing-2005-06 RL model

       

    10.  
    11. Tighten the idler pulley bolt 33 ft. lbs. (44 Nm).
    12.  
    13. Remove the battery clamp bolt from the back cover.
    14.  
    15. Install the engine mount bracket and tighten the upper bolt to 9 ft. lbs. (12 Nm) and the lower bolts to 33 ft. lbs. (44 Nm).

      Click image to see an enlarged view

      Fig. Install the engine mount bracket-2005-06 RL model



      Click image to see an enlarged view

      Fig. Install the timing belt guide plate-2005-06 RL model

    16.  
    17. Install the timing belt guide plate as shown.
    18.  
    19. Install the crankshaft pulley, do not use an impact wrench. Hold the pulley and tighten the bolt to 47 ft. lbs. (64 Nm) plus turn an additional 60 degrees.
    20.  
    21. Install the front upper cover and rear upper cover.
    22.  
    23. Rotate the crankshaft pulley six turns clockwise so the timing belt positions itself on the pulleys.
    24.  
    25. Turn the crankshaft pulley so its white mark lines up with the pointer.
    26.  
    27. Check the camshaft pulley marks, they should be as illustrated.
    28.  
    29. Install the side engine mount bracket, then tighten the bolts in the numbered sequence shown.

      Click image to see an enlarged view

      Fig. Check the front camshaft pulley marks-2005-06 RL model



      Click image to see an enlarged view

      Fig. Check the rear camshaft pulley marks-2005-06 RL model



      Click image to see an enlarged view

      Fig. Install the side engine mount bracket, then tighten the bolts in the numbered sequence shown-2005-06 RL model

    30.  

  2.  
  3. If installing a new belt, perform the following steps.
    1. Clean the timing belt pulleys, timing belt guide plate, and the upper and lower covers.
    2.  
    3. Set the timing belt drive pulley to TDC by aligning the TDC mark on the tooth of the timing belt drive pulley with the pointer on the oil pump.
    4.  
    5. Set the camshaft pulleys to TDC by aligning the TDC marks on the camshaft pulleys with the pointers on the back covers.
    6.  
    7. Remove the auto-tensioner.
    8.  
    9. Align the holes on the rod and body on the tensioner.
    10.  
    11. Use a press to slowly compress the tensioner and insert a 0.08 inch (2 mm) pin through the body and rod. Make sure the pressure to compress the tensioner does not exceed 2,200 lbs. ft. (9,800 N).
    12.  
    13. Install the tensioner with the pin still in place.
    14.  
    15. Screw the battery clamp bolt in as shown to hold the timing belt adjuster in its current position. Only tighten it by hand, do not use a wrench.
    16.  
    17. Loosely install the idler pulley with a new bolt so the pulley is free to move but does not come off.
    18.  
    19. Install the timing belt in a counterclockwise sequence as follows:

      Drive pulley
       
      Idler pulley
       
      Front camshaft pulley
       
      Water pump pulley
       
      Rear camshaft pulley
       
      Adjusting pulley
       

    20.  
    21. Tighten the idler pulley bolt 33 ft. lbs. (44 Nm).
    22.  
    23. Remove the pin from the tensioner.
    24.  
    25. Remove the battery clamp bolt from the back cover.
    26.  
    27. Install the engine mount bracket.
    28.  
    29. Install the timing belt guide plate as shown.
    30.  
    31. Install the lower cover.
    32.  
    33. Install the crankshaft pulley, do not use an impact wrench. Hold the pulley and tighten the bolt to 47 ft. lbs. (64 Nm) plus turn an additional 60 degrees.
    34.  
    35. Rotate the crankshaft pulley six turns clockwise so the timing belt positions itself on the pulleys.
    36.  
    37. Turn the crankshaft pulley so its white mark lines up with the pointer.
    38.  
    39. Check the camshaft pulley marks, they should be as illustrated.
    40.  
    41. Install the front upper cover and rear upper cover.
    42.  
    43. Install the side engine mount bracket, then tighten the bolts in the numbered sequence shown.
    44.  

  4.  
  5. Install the remaining components in the reverse order of removal.
  6.  

CL Models

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.

  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Check that the No. 1 piston Top Dead Center (TDC) mark on the front camshaft pulley and the pointer on the front upper cover are aligned.
  4.  
  5. Remove the front wheel.
  6.  
  7. Remove the splash shield.
  8.  
  9. Remove the drive belts.
  10.  
  11. Support the engine with a jack and wood block under the oil pan.
  12.  
  13. Remove the side engine mount bracket.
  14.  
  15. Remove the dipstick tube.
  16.  
  17. Remove the crankshaft pulley.
  18.  
  19. Remove the front upper cover and rear upper cover.
  20.  
  21. Remove one of the battery clamp bolts from the battery tray, and grind the end of it as shown.

    Click image to see an enlarged view

    Fig. Grind the battery tray clamp bolt as shown-CL model



    Click image to see an enlarged view

    Fig. Screw the battery clamp bolt in as shown to hold the timing belt adjuster in its current position-CL model

  22.  
  23. Screw the battery clamp bolt in as shown to hold the timing belt adjuster in its current position. Only tighten it by hand, do not use a wrench.
  24.  
  25. Remove the engine mount bracket
  26.  
  27. Remove the idler pulley bolt and idler pulley, then remove the timing belt.
  28.  

To install:

  1. If reusing the old belt, perform the following steps.
    1. Clean the timing belt pulleys, timing belt guide plate, and the upper and lower covers.
    2.  
    3. Set the timing belt drive pulley to TDC by aligning the TDC mark on the tooth of the timing belt drive pulley with the pointer on the oil pump.

      Click image to see an enlarged view

      Fig. Set the timing belt drive pulley to TDC by aligning the TDC mark on the tooth of the timing belt drive pulley with the pointer on the oil pump-CL model



      Click image to see an enlarged view

      Fig. Align the front camshaft pulley to TDC as shown-CL model



      Click image to see an enlarged view

      Fig. Align the rear camshaft pulley to TDC as shown-CL model

    4.  
    5. Set the camshaft pulleys to TDC by aligning the TDC marks on the camshaft pulleys with the pointers on the back covers.
    6.  
    7. Apply liquid thread lock (P/N 08713-0001) to the idler pulley bolt, then loosely install the idler pulley bolt as the pulley can move and does not come off.
    8.  
    9. Install the timing belt in a counterclockwise sequence as follows:

      Drive pulley
       
      Idler pulley
       
      Front camshaft pulley
       
      Water pump pulley
       
      Rear camshaft pulley
       
      Adjusting pulley

      Click image to see an enlarged view

      Fig. Timing belt routing-CL model

       

    10.  
    11. Tighten the idler pulley bolt 33 ft. lbs. (44 Nm).
    12.  
    13. Remove the battery clamp bolt from the back cover.
    14.  
    15. Install the engine mount bracket and tighten the upper bolt to 9 ft. lbs. (12 Nm) and the lower bolts to 33 ft. lbs. (44 Nm).
    16.  
    17. Install the lower cover.
    18.  
    19. Install the front upper cover and rear upper cover.
    20.  
    21. Install the crankshaft pulley, do not use an impact wrench. Hold the pulley and tighten the bolt to 181 ft. lbs. (245 Nm).
    22.  
    23. Rotate the crankshaft pulley six turns clockwise so the timing belt positions itself on the pulleys.
    24.  
    25. Turn the crankshaft pulley so its white mark lines up with the pointer.
    26.  
    27. Check the camshaft pulley marks, they should be as illustrated.
    28.  

  2.  
  3. Install the dipstick tube.
  4.  
  5. Install the drive belts.
    1. Install the side engine mount bracket, then tighten the upper bolts first to 33 ft. lbs. (44 Nm) and the side bolts last to 40 ft. lbs. (54 Nm).

      Click image to see an enlarged view

      Fig. Check the camshaft pulley marks-CL model

    2.  

  6.  
  7. If installing a new belt, perform the following steps.
    1. Clean the timing belt pulleys, timing belt upper and lower covers.
    2.  
    3. Set the timing belt drive pulley to TDC by aligning the TDC mark on the tooth of the timing belt drive pulley with the pointer on the oil pump.
    4.  
    5. Set the camshaft pulleys to TDC by aligning the TDC marks on the camshaft pulleys with the pointers on the back covers.
    6.  
    7. Remove the auto-tensioner.
    8.  
    9. Align the holes on the rod and body on the tensioner.
    10.  
    11. Use a press to slowly compress the tensioner and insert a 0.08 inch (2 mm) pin through the body and rod. Make sure the pressure to compress the tensioner does not exceed 2,200 lbs. ft. (9,800 N).
    12.  
    13. Install the tensioner with the pin still in place.
    14.  
    15. Screw the battery clamp bolt in as shown to hold the timing belt adjuster in its current position. Only tighten it by hand, do not use a wrench.
    16.  
    17. Loosely install the idler pulley with a new bolt so the pulley is free to move but does not come off.
    18.  
    19. Install the timing belt in a counterclockwise sequence as follows:

      Drive pulley
       
      Idler pulley
       
      Front camshaft pulley
       
      Water pump pulley
       
      Rear camshaft pulley
       
      Adjusting pulley
       

    20.  
    21. Tighten the idler pulley bolt 33 ft. lbs. (44 Nm).
    22.  
    23. Remove the pin from the tensioner.
    24.  
    25. Remove the battery clamp bolt from the back cover.
    26.  
    27. Install the engine mount bracket and tighten the upper bolt to 9 ft. lbs. (12 Nm) and the lower bolts to 33 ft. lbs. (44 Nm).
    28.  
    29. Install the lower cover.
    30.  
    31. Install the front upper cover and rear upper cover.
    32.  
    33. Install the crankshaft pulley, do not use an impact wrench. Hold the pulley and tighten the bolt to 181 ft. lbs. (245 Nm).
    34.  
    35. Rotate the crankshaft pulley six turns clockwise so the timing belt positions itself on the pulleys.
    36.  
    37. Turn the crankshaft pulley so its white mark lines up with the pointer.
    38.  
    39. Check the camshaft pulley marks, they should be as illustrated.
    40.  

  8.  
  9. Install the dipstick tube.
  10.  
  11. Install the drive belts.
    1. Install the side engine mount bracket, then tighten the upper bolts first to 33 ft. lbs. (44 Nm) and the side bolts last to 40 ft. lbs. (54 Nm).
    2.  

  12.  
  13. Install the remaining components in the reverse order of removal.
  14.  

Integra Models
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Turn the crankshaft pulley until cylinder No. 1 is set to Top Dead Center (TDC) on the compression stroke. The white crankshaft pulley mark should be aligned with the pointer on the lower timing belt cover.
  4.  
  5. Remove or disconnect the following:
    WARNING
    Do not use the timing belt covers to store small parts. Grease or oil can transfer from the parts to the cover, then to the belt. Clean the covers thoroughly before installation.



    All necessary components to gain access to the cylinder head and timing belt covers
     
    Cylinder head and timing belt covers
     
    Crankshaft pulley bolt and the crankshaft pulley. Bolt a pulley holder (holder attachment tool part No. 07MAB-PY3010A and holder handle tool part No. 07JAB-001020A) will be needed to keep the crankshaft from turning.
     

  6.  
  7. Recheck that the No. 1 piston is at TDC on its compression stroke. Align the groove on the toothed side of the crankshaft timing belt drive sprocket to the arrow pointer on the oil pump.
  8.  
  9. To set the camshafts to top dead center for the No. 1 cylinder, align the hole in each camshaft with the holes in the No. 1 camshaft holders, then push 5.0mm pin punches into the holes. Be sure that the UP arrows are pointing up and that the TDC marks on the intake and exhaust sprockets are aligned.
  10.  
  11. Loosen the tensioner adjusting bolt 180 degrees ( 1 / 2 turn). Push on the tensioner to remove the tension from the timing belt, then retighten the bolt. If the timing belt is to be reinstalled, mark the direction of rotation on the belt with a crayon or white paint.
  12.  
  13. Remove the timing belt from the sprockets.
    NOTE
    Be sure the water pump pulley turns counterclockwise freely. Check for signs of seal leakage; a small amount of weeping from the bleed hole is normal.

  14.  
  15. If necessary, remove the timing belt tensioner by performing the following:
    1. Remove the timing belt tensioner spring.
    2.  
    3. Remove the bolt from the timing belt tensioner and remove the tensioner.

      Click image to see an enlarged view

      Fig. Camshaft timing belt sprocket alignment marks for TDC-1.8L (B18B1 and B18C1) engines



      Click image to see an enlarged view

      Fig. Crankshaft timing belt sprocket alignment marks for TDC-1.8L (B18B1 and B18C1) engines

    4.  

  16.  

To install:

  1. If the timing belt tensioner was removed, perform the following:
    1. Position the timing belt tensioner on the engine and install the attaching bolt loosely.
    2.  
    3. Install the timing belt tensioner spring.
    4.  
    5. Push the tensioner down, then snug the tensioner bolt to hold this position.
      NOTE
      Before reinstallation, check every component for cleanliness. All covers, pulleys, shields, etc. must be completely free of grease and oil.


      NOTE
      Install the timing belt in the correct sequence. Also, if installing the old belt, be sure it is turning the same direction.

    6.  

  2.  
  3. Install the timing belt first to the crankshaft pulley, then to the adjuster, then to the water pump pulley, the exhaust camshaft and finally to the intake camshaft pulley.
  4.  
  5. Install the lower belt cover. Install the crankshaft pulley, tightening the bolt to 130 ft. lbs. (177 Nm). Lubricate the threads and the flange of the bolt with engine oil before installation.
  6.  
  7. Loosen the adjusting bolt, allowing the adjuster to tension the belt. Retighten the bolt to 40 ft. lbs. (54 Nm).
  8.  
  9. Remove the pin punches from the camshafts.
  10.  
  11. Rotate the crankshaft 4-6 turns counterclockwise. This allows the belt to equalize tension across all of the pulleys.
  12.  
  13. Once again, set the engine to TDC compression for cylinder No. 1. Check that all timing marks for the cam and crankshaft are properly aligned. If any mark is out of alignment, remove the timing belt and reinstall it.
  14.  
  15. Loosen the adjusting bolt 180 degrees ( 1 / 2 turn). Rotate the crankshaft counterclockwise until the camshaft pulleys have moved 3 teeth. Retighten the adjusting bolt to 40 ft. lbs. (54 Nm).
  16.  
  17. Check the torque of the crankshaft pulley bolt.
  18.  
  19. Install or connect the following:

    Other timing belt covers
     
    Rubber seal in the groove of the cylinder head cover. Be sure that the seal and groove are thoroughly clean first.
     
    Liquid gasket to the rubber seal at the eight corners of the recesses. Do not install the parts if 20 minutes or more have elapsed since applying the liquid gasket. Instead, reapply liquid gasket after removing the old residue.
     
    Cylinder head cover and all other applicable components. Tighten the cylinder head cover nuts in 2 steps to 88 inch lbs. (10 Nm).
     

  20.  

NSX Models
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Remove or disconnect the following:

    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:
    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 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 it-s 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.

    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

  16.  

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

    10.  
    11. Using a new gasket, reinstall the maintenance bolt and torque it to 6 ft. lbs. (8 Nm).
    12.  
    13. Make sure that no oil is leaking around the maintenance bolt and install the auto-tensioner; torque the bolts 33 ft. lbs. (44 Nm).
      NOTE
      Make sure that the Stopper tool 14540-P8A-A01 stays in place.

    14.  

  10.  
  11. 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.
  12.  
  13. Torque the idler pulley bolt to 33 ft. lbs. (44 Nm).
  14.  
  15. Remove the Stopper tool from the auto-tensioner.
  16.  
  17. 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 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).
     

  18.  
  19. Rotate the crankshaft 5-6 turns clockwise so that the timing belt positions itself properly on the sprockets.
  20.  
  21. 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.
  22.  
  23. Install all applicable components.
  24.  
  25. To complete the installation, reverse the removal procedures. Adjust the tension of the drive belts.
  26.  

 
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