GM Service Manual Online
For 1990-2009 cars only

Transmission Fluid Filler Tube and Seal Replacement 2.9L and 3.7L

Removal Procedure


    Object Number: 1302099  Size: SH
  1. Remove the filler tube indicator.
  2. Remove the nut (3) securing the filler tube to the secondary air injection (AIR) stud (2).
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Clean away all dirt and debris from the transmission filler tube area.
  5. Position an appropriate container under the transmission.
  6. Remove the filler tube (1) and seal (2) from the transmission.
  7. Allow the transmission fluid to drain into the container.

Installation Procedure


    Object Number: 744703  Size: SH
  1. Install a new seal (2) into the transmission case.
  2. Remove the container used to catch the used transmission fluid from under the vehicle.
  3. Lightly lubricate the filler tube (1) and seal (2) with clean DEXRON® VI transmission fluid to ease installation.
  4. Install the filler tube (1) into the seal (2).
  5. Lower the vehicle.
  6. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1302099  Size: SH
  7. Install the nut (3) securing the filler tube (1) to the AIR stud (2).
  8. Tighten
    Tighten the filler tube nut to 12.5 N·m (111 lb in).

  9. Install the filler tube indicator.
  10. Fill the transmission to the proper level with DEXRON® VI transmission fluid. Refer to Transmission Fluid Check .