GM Service Manual Online
For 1990-2009 cars only

    Object Number: 48177  Size: SH
  1. Position the transmission so that the oil pan is facing up.
  2. Use a long screwdriver in order to compress the forward band servo assembly cover (13) by prying against the work bench.
  3. Hold the servo assembly compressed.

  4. Object Number: 48181  Size: SH
  5. Remove the three forward band servo cover bolts (12).
  6. Remove the long screwdriver. The servo assembly will push the servo cover out. If the servo cover does not push out, tap it with a rubber mallet.
  7. Remove the servo cover (13) and remove the cover seal (14).
  8. Remove the servo assembly (15-21).
  9. Remove the piston spring (22) from the forward band servo.