GM Service Manual Online
For 1990-2009 cars only

    Object Number: 10488  Size: SH
  1. Use a long screwdriver in order to depress the reverse band servo cover (40) by prying against the transmission holding fixture.
  2. Use a small screwdriver in order to pry out the retaining ring (39) from the reverse band servo cover.

  3. Object Number: 10489  Size: SH
  4. Remove the long screwdriver. The servo assembly will push the servo cover (40) up.
  5. Use a small screwdriver in order to pull the servo cover O-ring seal (41) out through the slot in the case.
  6. Use side cutting pliers in order to cut the servo cover O-ring seal (41).
  7. Grasp one end of the cut seal (41) and pull it out of the servo cover.

  8. Object Number: 10491  Size: SH
  9. Remove the servo cover (40).
  10. Remove the reverse band servo o-ring seal (41).
  11. Remove the reverse band servo assembly (42-48).
  12. Remove the reverse band servo piston spring (49).