GM Service Manual Online
For 1990-2009 cars only

Disassembly Procedure

Tools Required

J 22912-01 Split Plate


    Object Number: 107546  Size: SH

    Caution: When handling parts that have been preheated for installation purposes, always wear leather welding gloves with a minimum amount of handling time. Failure to wear leather gloves may result in severe skin burns or personal injury.

    Important: Heat the input shaft, collar and the stopper plate in an approved preheat oven to approximately 95°C (200°F) just prior to removal. Do not use an acetylene torch or other open flame. Always allow the preheated parts to cool after removal. Do not quench the preheated parts with water. Use compressed air to help in cooling any preheated parts.

  1. Remove the collar and the stopper plate. Use a J 22912-01 inverted with a press. Discard the collar and the stopper plate.

  2. Object Number: 12528  Size: SH
  3. Pull out the following items as an assembly using the J 22912-01 inverted and a press.
  4. • The rear input bearing
    • The 4th gear
    • The 3rd/4th synchronizer
    • The 3rd gear