GM Service Manual Online
For 1990-2009 cars only

    Object Number: 48203  Size: SH
  1. Remove the indicated case cover bolts (433-436).

  2. Object Number: 48207  Size: SH

    Important: Be sure to hold the manual valve (404) in place.

  3. Lift the case cover assembly (400) off of the case.
  4. Remove the thrust washer (432).

  5. Object Number: 48237  Size: SH
  6. Remove the upper (430) and the lower (429) case cover gaskets.