GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the right hand exhaust manifold. Refer to Exhaust Manifold Replacement .

  2. Object Number: 97337  Size: SH
  3. Depress the servo cover.
  4. Remove the snap ring and the servo cover.

  5. Object Number: 97341  Size: SH
  6. Remove the following items:
  7. • Piston assembly
    • Sealing ring
    • Servo ring
  8. For the disassembly of the servo piston assembly, refer to Reverse Servo Disassemble .

Installation Procedure


    Object Number: 97341  Size: SH
  1. Install the following items:
  2. • Servo spring
    • Sealing ring
    • Piston assembly

    Object Number: 97337  Size: SH
  3. Install the servo cover and the snap ring.
  4. Install the right hand exhaust manifold. Refer to Exhaust Manifold Replacement .