GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 44969 Manual Shift Shaft Seal Installer
    • J 45190 Manual Shift Shaft Socket

    Object Number: 780964  Size: SH
  1. Partially insert the manual shift shaft (40) through the case hole.
  2. Install the park pawl actuator assembly (43) on the manual shaft detent lever (45).
  3. Install the manual shift shaft retainer (44), detent lever (45), manual valve link (47) and spring (48), and nut (46) on the manual shift shaft (40).
  4. Fully install the manual shift shaft.

  5. Object Number: 781379  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6. Using the J 45190 and a wrench, tighten the manual shift shaft nut.
  7. Tighten
    Tighten the nut to 30 N·m (22 lb ft).


    Object Number: 781045  Size: SH
  8. Using the J 44969 and a hammer, install a NEW manual shift shaft seal assembly into the transmission case assembly.

  9. Object Number: 780963  Size: SH
  10. Install the park pawl reaction pin, park pawl and spring.