GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the intake manifold. Refer to Intake Manifold Replacement .

  2. Object Number: 1284301  Size: SH
  3. Unlock the transmission oil level indicator.
  4. Remove the transmission oil level indicator.
  5. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  6. Support the transmission using a suitable jack.
  7. Remove the transmission crossmember. Refer to Transmission Support Crossmember Replacement .

  8. Object Number: 858550  Size: SH
  9. Loosen the left exhaust pipe nuts.

  10. Object Number: 858553  Size: SH
  11. Loosen the right exhaust pipe nuts.

  12. Object Number: 394459  Size: SH
  13. Remove the transmission heat shield.
  14. Lower the transmission slightly.

  15. Object Number: 1705100  Size: SH
  16. Disconnect the transmission oil cooler lines. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .
  17. Plug the transmission oil cooler line fittings.

  18. Object Number: 396797  Size: SH
  19. Remove the indicator tube nut.

  20. Object Number: 1284303  Size: SH
  21. Remove the indicator tube bolt, if equipped with RPO HP2.

  22. Object Number: 396798  Size: SH
  23. Remove the oil level indicator tube.
  24. Remove the seal from the transmission, if necessary.

  25. Object Number: 1284302  Size: SH
  26. Remove the oil level indicator tube, if equipped with RPO HP2.
  27. Remove the seal from the transmission, if necessary.

Installation Procedure


    Object Number: 1284302  Size: SH
  1. Install a NEW seal to the indicator tube.
  2. Install the oil level indicator tube, if equipped with RPO HP2.

  3. Object Number: 396798  Size: SH
  4. Install a NEW seal to the indicator tube.
  5. Install the oil level indicator tube.
  6. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1284303  Size: SH
  7. Install the indicator tube bolt, if equipped with RPO HP2.
  8. Tighten
    Tighten the bolt to 22 N·m (16 lb ft).


    Object Number: 396797  Size: SH
  9. Install the indicator tube nut.
  10. Tighten
    Tighten the nut to 22 N·m (16 lb ft).


    Object Number: 1705100  Size: SH
  11. Remove the plugs from the transmission oil cooler line fittings.
  12. Connect the transmission oil cooler lines. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .

  13. Object Number: 394459  Size: SH
  14. Remove the transmission heat shield.
  15. Tighten
    Tighten the bolts to 17 N·m (12 lb ft).


    Object Number: 858553  Size: SH
  16. Tighten the right exhaust pipe nuts.
  17. Tighten
    Tighten the nuts to 50 N·m (37 lb ft).


    Object Number: 858550  Size: SH
  18. Tighten the left exhaust pipe nuts.
  19. Tighten
    Tighten the nuts to 50 N·m (37 lb ft).

  20. Install the transmission crossmember. Refer to Transmission Support Crossmember Replacement .
  21. Remove the support from the transmission.
  22. Lower the vehicle.

  23. Object Number: 1284301  Size: SH
  24. Install the transmission oil level indicator.
  25. Lock the transmission oil level indicator.
  26. Install the intake manifold. Refer to Intake Manifold Replacement .