GM Service Manual Online
For 1990-2009 cars only

    Object Number: 48166  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: 48173  Size: SH
  4. Remove the long screwdriver. The servo assembly will push the servo cover (40) up.
  5. Remove the servo cover (40) and the servo cover O-ring seal (41).
  6. Remove the reverse band servo assembly (42-48).
  7. Remove the reverse band servo piston spring (49).