GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 36850 Transjel Lubricant™

Removal Procedure

  1. With the wheels in the straight ahead position, remove the key from the ignition switch.
  2. Remove the underhood electrical center cover.
  3. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .

  4. Object Number: 873343  Size: SH
  5. Disconnect the engine control module harness connector (3, 4).
  6. Disconnect the positive battery cables (1) from the under hood electrical center.

  7. Object Number: 1720487  Size: SH
  8. Remove the underhood electrical center tray bracket nuts (1) and bolt (2).
  9. Disconnect the wiring harness retainer from the tray bracket.

  10. Object Number: 888342  Size: SH
  11. Lift the electrical center up and swing it back and out of the way.

  12. Object Number: 1233683  Size: SH
  13. Disconnect the shift cable from the PNP switch.
  14. Disconnect the electrical connector from the PNP switch.
  15. Remove the shift cable with bracket from the transmission.
  16. Remove the PNP switch. Refer to Park/Neutral Position Switch Replacement .
  17. Install the engine support fixture. Refer to Engine Support Fixture for the 2.2L engine or Engine Support Fixture for the 2.4L engine.
  18. Secure the cooling module to the upper body structure.
  19. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  20. Remove the front tires and wheels. Refer to Tire and Wheel Removal and Installation .
  21. Remove the frame. Refer to Frame Replacement .
  22. Remove the left wheel drive shaft from the transaxle. Refer to Wheel Drive Shaft Replacement .
  23. Lower the vehicle.
  24. Remove the left transmission mount. Refer to Transmission Mount Replacement - Left Side .
  25. Lower the engine with the engine support fixture.
  26. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

  27. Object Number: 55090  Size: SH
  28. Remove the 11 transmission side cover bolts (3) or Studs (4) (model dependant).
  29. Notice: Pry on the corner of the case side cover near the locating dowel pins (45), to prevent damage to the sealing surfaces.

  30. Remove the transmission side cover (1).
  31. Remove the two side cover gaskets (5 and 6) and the side cover to driven support thrust washer (7). They may remain with the side cover. Only replace if necessary.

Installation Procedure


    Object Number: 20822  Size: SH
  1. If the seals were removed, thoroughly clean and dry the side cover seal grooves and the side cover seals.
  2. Install the side cover gaskets (5 and 6) into the grooves on the side cover (1).
  3. Retain the seals with J 36850 or equivalent.
  4. Install the side cover to drive sprocket thrust washer (7) onto the side cover.
  5. Retain the thrust washer with J 36850 or equivalent.

  6. Object Number: 474273  Size: SH
  7. Install the side cover assembly onto the transmission case.
  8. Install the 11 side cover bolts (3) or studs (4) (model dependent).

  9. Object Number: 474274  Size: SH
  10. Refer to the graphic in order to find the correct installation points of the bolts and the stud.
  11. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 58705  Size: SH
  12. Hand start the bolts.
  13. Tighten
    Tighten the side cover bolts and stud to 28 N·m (22 lb ft).

  14. Lower the vehicle.
  15. Raise the engine with the engine support fixture.
  16. Install the left transmission mount. Refer to Transmission Mount Replacement - Left Side .
  17. Raise the vehicle.
  18. Install the left wheel drive shaft to the transmission. Refer to Wheel Drive Shaft Replacement .
  19. Install the frame. Refer to Frame Replacement .
  20. Install the front tires and wheels. Refer to Tire and Wheel Removal and Installation .
  21. Lower the vehicle.
  22. Remove the engine support fixture. Refer to Engine Support Fixture .

  23. Object Number: 1233683  Size: SH
  24. Install the PNP switch. Refer to Park/Neutral Position Switch Replacement .
  25. Connect the electrical connector to the PNP switch.
  26. Install the shift cable with bracket to the transmission.
  27. Connect the shift cable to the PNP switch.
  28. Reposition the underhood electrical center.
  29. Connect the wiring harness retainer to the tray bracket.

  30. Object Number: 1720487  Size: SH
  31. Install the electrical center nuts (1) and bolts (2).
  32. Tighten

        • Tighten the nut to 10 N·m (89 lb in).
        • Tighten the bolt to 25 N·m (18 lb ft).

    Object Number: 873343  Size: SH
  33. Install the positive battery cables (1) to the underhood electrical center.
  34. Tighten
    Tighten the positive cable nut to 15 N·m (11 lb ft).

  35. Connect the engine control module harness connectors (3, 4).
  36. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  37. Install the underhood electrical center cover.
  38. Fill the transmission. Refer to Approximate Fluid Capacities .