GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • SA9105E Engine Support Fixture (3 Bar)
    •  J 43405 Engine Support Fixture Adapter

Removal Procedure


    Object Number: 894286  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the air cleaner assembly.
  3. Caution: Refer to Vehicle Lifting Caution in the Preface section.

  4. Raise and support the vehicle.

  5. Object Number: 894225  Size: SH
  6. Remove the right front wheel.
  7. Remove the splash shield bolts.
  8. Remove the splash shield.
  9. Lower the vehicle.

  10. Object Number: 893254  Size: SH
  11. Loosen the water pump pulley bolts. The accessory drive belt tension provides resistance to enable loosening of the bolts. Do not remove the fastening bolts at this time.
  12. Install the engine support fixture and adapters, the SA9105E , and the J 43405 .

  13. Object Number: 894336  Size: SH
  14. Remove the accessory drive belt using a 15 mm wrench to compress the tensioner.

  15. Object Number: 891719  Size: SH

    Important: Removal of the accessory drive belt requires the removal of the right front engine mount.

  16. Remove the right engine-to-body mount fasteners.

  17. Object Number: 891739  Size: SH
  18. Remove the engine mount bracket from the engine.

  19. Object Number: 894336  Size: SH
  20. Remove the water pump pulley bolts.
  21. Remove the water pump pulley.
  22. Remove the power steering pump pulley bolts.
  23. Remove the power steering pump pulley.

  24. Object Number: 896418  Size: SH
  25. Remove the accessory drive belt tensioner bolts.
  26. Remove the accessory drive belt tensioner.

  27. Object Number: 894730  Size: SH
  28. Remove the crankshaft balancer.
  29. Important: Disconnecting the A/C pressure connector will allow additional slack so that the harness may be secured to the top of the engine.

  30. Remove the wiring harness channel from the cover and secure away from the front of the engine.
  31. Remove the front timing belt cover bolts.
  32. Remove the front timing belt cover.
  33. Remove the transfer wiring harness channel.
  34. Inspect the sealing strip on the outer edge of the front of the timing belt cover for cracks and/or tears. Replace if necessary.

Installation Procedure


    Object Number: 894303  Size: SH
  1. Install the front timing belt .
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the front timing belt cover bolts.
  4. Tighten
    Tighten the front timing belt cover bolt to 8 N·m (71 lb in).


    Object Number: 894730  Size: SH
  5. Install the crankshaft balancer.
  6. Tighten
    Tighten the crankshaft balancer bolt to 20 N·m (15 lb ft).


    Object Number: 896418  Size: SH
  7. Install the accessory drive belt tensioner.
  8. Install the accessory drive belt tensioner bolts.
  9. Tighten
    Tighten the belt tensioner bolts to 40 N·m (30 lb ft).

  10. Install the power steering pump pulley.
  11. Install the power steering pump pulley bolts.
  12. Snug the power steering pump pulley bolts. The bolts will be tightened to the proper specification when the serpentine drive belt is installed.
  13. Install the water pump pulley.
  14. Install the water pump pulley bolts.
  15. Snug the water pump pulley bolts. The bolts will be tightened to the proper specification when the accessory drive belt is installed.
  16. Install the water pump pulley screws.
  17. Route the wiring harness into the wiring harness channel.
  18. Install the wiring harness channel cover.

  19. Object Number: 894336  Size: SH
  20. Install the wiring harness channel extension to the right lower side of the wiring harness channel.
  21. Install the accessory drive belt.
  22. Tighten the water pump pulley and power steering pulley bolts.
  23. Tighten

        • Tighten the water pump pulley bolt to 8 N·m (71 lb in).
        • Tighten the power steering pump pulley bolt to 20 N·m (15 lb in).

    Object Number: 891739  Size: SH
  24. Install the engine mount bracket and tighten the fasteners.
  25. Tighten
    Tighten the engine mount bracket bolt to 55 N·m (41 lb ft).


    Object Number: 891691  Size: SH
  26. Install the engine mount to the frame rail and engine mount bracket.
  27. Tighten
    Tighten the engine mount-to-bracket bolt to 55 N·m (41 lb ft).

  28. Remove the engine support fixture.
  29. Caution: Refer to Vehicle Lifting Caution in the Preface section.

  30. Raise the vehicle.

  31. Object Number: 894225  Size: SH
  32. Install the splash shield.
  33. Install the splash shield bolts. Tighten the splash shield bolts until fully seated. Do not strip the bolts.
  34. Install the right front wheel.
  35. Tighten
    Tighten the wheel bolts to 125 N·m (92 lb ft).


    Object Number: 894285  Size: SH
  36. Lower the vehicle.
  37. Install the air cleaner assembly.
  38. Reconnect the negative battery cable.
  39. Tighten
    Tighten the battery terminal bolt to 17 N·m (13 lb ft).