GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 6125-1B Slide Hammer Adapter
    • J 23129 Universal Seal Remover
    • J 36850 Transjel Lubricant

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the front closeout panel. Refer to Floor Panel Tunnel Panel Replacement - Front .
  3. Place a suitable drain pan under the transmission fluid pan.

  4. Object Number: 795698  Size: SH
  5. loosen the fluid pan bolts (3) on 3 sides of the transmission fluid pan.
  6. Lightly tap the fluid pan (2) with a rubber mallet if necessary in order to loosen the gasket seal.
  7. Allow the transmission fluid to drain.
  8. Inspect the transmission fluid for discoloration and contamination while draining.
  9. Remove the fluid pan bolts (3).
  10. Remove the fluid pan (2) and the gasket (4).
  11. Clean and inspect the following for damage or wear.
  12. • Magnet (1)
    • Pan (2)
    • Bolts (3)
    • Gasket (4)

    Object Number: 795695  Size: SH
  13. Remove the fluid filter (2). Use a long screwdriver in order to pry the fluid filter neck out of the seals.
  14. Remove the 2 fluid filter seals (1) using J 23129 and J 6125-1B .

Installation Procedure


    Object Number: 795695  Size: SH
  1. Install 2 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: 795698  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 bolts (3).
  7. Tighten
    Tighten the bolts to 11 N·m (97 lb in).


    Object Number: 1780589  Size: SH
  8. Fill the transmission to the proper level. Refer to Transmission Fluid Check .
  9. Install the front closeout panel. Refer to Floor Panel Tunnel Panel Replacement - Front .
  10. Lower the vehicle.
  11. Inspect the oil pan gasket for leaks.