GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 36850 Transjel® Transmission Assembly Lubricant

Removal Procedure


    Object Number: 155867  Size: SH
  1. Use a standard drift punch hammer in order to remove the following components from the 5th reverse gearshift and guide shafts:
  2. 1.1. One roll pin
    1.2. The reverse gearshift arm

    Object Number: 155819  Size: SH
  3. Remove the following components from the reverse gearshift arm:
  4. 2.1. The reverse gearshift arm spring
    2.2. The two steel balls

    Object Number: 155821  Size: SH
  5. Use a standard drift punch and a hammer in order to remove the following components from the 5th and reverse gearshift shaft:
  6. 3.1. One roll pin
    3.2. The fifth reverse gearshift yoke
  7. Clean all the components thoroughly with a clean solvent. Dry the components.
  8. Inspect the 5th and reverse gearshift and guide shafts for the following conditions. Replace as necessary:
  9. • Flat spots
    • Excessive wear
    • Damage
  10. Inspect the contact surfaces of the reverse gearshift arm and the 5th and reverse gearshift yoke for the following conditions. Replace as necessary:
  11. • Excessive wear
    • Cracks
    • Other damage

Installation Procedure

  1. Apply a thin coat of J 36850 to all of the parts prior to assembly.

  2. Object Number: 155821  Size: SH
  3. Install the fifth and reverse gearshift yoke onto the fifth and reverse gearshift shaft.
  4. Secure the fifth and reverse gearshift yoke with one roll pin.


    Object Number: 155819  Size: SH
  5. Install the following components into the reverse gearshift arm:
  6. 3.1. The reverse gearshift arm spring
    3.2. The two steel balls

    Object Number: 155867  Size: SH
  7. Install the reverse gearshift arm onto the fifth and reverse gearshift and guide shafts.
  8. Secure the reverse gearshift arm with one fifth and reverse gearshift arm roll pin.