GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Park Avenue 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Reverse Servo Replacement

Removal Procedure
  1. Remove the right hand exhaust manifold. Refer to Exhaust Manifold Replacement in Engine Mechanical

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

    4. Object Number: 97341 Size: SH
  4. Remove the following items:
    5. • Piston assembly
    • Sealing ring
    • Servo ring
  5. For the disassembly of the servo piston assembly,

Installation Procedure

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

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