GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 6125-1B Slide Hammer Adapter
    • J 23129 Universal Seal Remover

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Place a suitable drain pan under the transmission fluid drain plug.

  3. Object Number: 1955692  Size: SH
  4. Remove and discard the transmission fluid drain plug.
  5. Allow the transmission fluid to drain.
  6. Inspect the transmission fluid for discoloration and contamination while draining.
  7. Notice: Refer to Component Fastener Tightening Notice in the Preface section.

  8. After the transmission fluid has finished draining, Install a NEW transmission fluid drain plug.
  9. Tighten
    Tighten the fluid drain plug to 20 N·m (15 lb. ft).


    Object Number: 1955694  Size: SH
  10. Remove the fluid pan retaining bolts (3).
  11. Important: Lightly tap the fluid pan (2) with a rubber mallet if necessary in order to loosen.

  12. Remove the fluid pan (2) and the gasket (4).
  13. Clean and inspect the following for damage or wear.
  14. • magnet (1)
    • pan (2)
    • bolts (3)
    • gasket (4)

    Object Number: 1955700  Size: SH
  15. Remove the fluid filter (2). Use a suitable tool in order to pry the fluid filter neck out of the seals.
  16. Remove the fluid filter seals (1) using J 23129 and J 6125-1B .

Installation Procedure


    Object Number: 1955700  Size: SH
  1. Install NEW fluid filter seals (1), onto the transmission fluid filter neck. Coat the new seals with a small amount of J 36850 or petroleum jelly before installation.
  2. Install the transmission fluid filter (2) into the case.

  3. Object Number: 1955694  Size: SH

    Important: Fluid pan gaskets are reusable. Replace the gasket ONLY if the sealing surface is damaged.

  4. Install the fluid pan (2) and the gasket (4) at the same time.
  5. Notice: Refer to Fastener Notice in the Preface section.

  6. Install the fluid pan retaining bolts (3).
  7. Tighten
    Tighten the bolts to 11 N·m (97 lb. in).

  8. Fill the transmission to the correct level. Refer to Transmission Fluid Check.
  9. Inspect the oil pan gasket for leaks.
  10. Lower the vehicle.