GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 29714-A Servo Cover Depressor

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General information.
  2. Install the J 29714-A .

  3. Object Number: 14478  Size: SH
  4. Tighten the bolt in order to compress the servo cover.
  5. Remove the servo cover retaining ring.
  6. Remove the J 29714-A .

  7. Object Number: 5429  Size: SH
  8. Remove the servo cover and the O-ring seal. If the servo cover seems to be hung up on the seal, cut and remove the O-ring seal before removing the cover.
  9. Remove the 2-4 servo assembly.

Installation Procedure


    Object Number: 5429  Size: SH
  1. Install the 2-4 servo assembly into the 2-4 servo bore.
  2. Install the J 29714-A

  3. Object Number: 14478  Size: SH
  4. Tighten the bolt in order to compress the servo cover.
  5. Install the servo cover retaining ring.
  6. Remove the J 29714-A from the oil pan flange.
  7. Notice: Refer to Fastener Notice in the Preface section.

  8. Install the oil pan bolt.
  9. Tighten
    Tighten the oil pan bolt to 11 N·m (97 lb in).

  10. Lower the vehicle.
  11. Check the automatic transmission fluid level. Refer to Fluid Capacity .
  12. Important: It is recommended that the transmission adaptive pressure (TAP) information be reset.

    Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, the ECM, PCM or TCM will need to relearn the TAP values. Transmission performance may be affected as new TAP values are learned,

  13. Reset the TAP values. Refer to Adapt Function .