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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Automatic Transaxle - 4T65-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Repair Instructions - On Vehicle >> Reverse Servo Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. 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 Inlet Duct Replacement .
  2. Remove the exhaust flange crossover pipe and heat shield. Refer to Exhaust Crossover Pipe Replacement (3.6L) or Exhaust Crossover Pipe Replacement (3.8L) .
    3. Fig 1: Identifying 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: Identifying 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 Side (3.8L) or Exhaust Manifold Replacement - Right Side (RPO LY7) .
    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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