GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the transmission from the vehicle. Refer to Transmission Replacement .

  2. Object Number: 792797  Size: SH
  3. Remove the torque converter from the transmission.

  4. Object Number: 812783  Size: SH
  5. Remove the input shaft seal.

Installation Procedure


    Object Number: 848536  Size: SH

    Important: Take care to prevent cutting of the input shaft seal on the input shaft splines.

  1. Install the input shaft seal.

  2. Object Number: 792797  Size: SH

    Important: Ensure the torque converter is fully seated into the transmission pump drive gear and turbine shaft.

  3. Install the torque converter. Push the torque converter into position while rotating.
  4. • The torque converter must be fully seated on the turbine shaft
    • The torque converter must be fully seated in the pump drive gear
  5. Install the transmission to the vehicle. Refer to Transmission Replacement .
  6. 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.

  7. Reset the TAP values. Refer to Transmission Adaptive Functions .