GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 794034  Size: SH
  1. Remove the transmission. Refer to Transmission Replacement in Manual Transmission - Medium Duty.
  2. If equipped with regular production options (RPOs) MPU/MSC, remove the clutch fork and release bearing.

  3. Object Number: 794031  Size: SH
  4. If equipped with RPO MTD, remove the release bearing.

Installation Procedure


    Object Number: 794031  Size: SH
  1. Apply lubricant GM P/N 12378484 or equivalent to the release bearing (1).
  2. If equipped with RPO MTD, install the release bearing.

  3. Object Number: 794034  Size: SH
  4. Apply lubricant GM P/N 12378484 or equivalent to the release bearing (1).
  5. If equipped with RPOs MPU/MSC, install the clutch fork and release bearing.
  6. Install the transmission. Refer to Transmission Replacement in Manual Transmission - Medium Duty.