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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 137 (Automatic Transaxle - 4T65-E (Introduction, Service & Replacement)) >> Repair Instructions >> Reverse Servo Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the air cleaner intake duct. Refer to Air Cleaner Intake Duct Replacement in Engine Controls - 3.8L.
  2. Remove the exhaust flange crossover pipe and heat shield. Refer to Exhaust Crossover Pipe Replacement in Engine Exhaust.
    3. Fig 1: Removing/Installing Reverse Servo Cover Snap Ring
    GM48166Courtesy of GENERAL MOTORS CORP.
  3. Depress the reverse servo cover (40).
  4. Remove the snap ring (39).
    5. Fig 2: O-Ring Seal
    GM48171Courtesy of GENERAL MOTORS CORP.
  5. Pull the O-ring seal (41) out through the slot in the case.
  6. Use side cutting pliers in order to cut the servo cover O-ring seal (41).
  7. Depress the reverse servo cover (40), grasp one end of the cut seal (41) and pull the seal (41) out of the servo cover (40).
  8. Remove the right exhaust manifold. Refer to Exhaust Manifold Replacement - Right in Engine Exhaust.
    9. Fig 3: Identifying Reverse Servo Assembly Components
    GM48173Courtesy of GENERAL MOTORS CORP.
  9. Remove the reverse servo cover (40).
  10. Remove the servo assembly (42-48).
  11. Remove the servo spring (49).
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