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Home >> Chevrolet >> 2002 >> C3500 HD 8.1 G, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1580 (Automatic Transmission - 4T45-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> On-Vehicle Repair Instructions >> Low/Reverse Servo Assembly Replacement >> Assembly Procedure

Assembly Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Exploded View Of Servo Assembly
    GM1803666Courtesy of GENERAL MOTORS CORP.
  1. Assemble the servo cushion spring (68), or springs (139), and the servo piston (69) onto the servo pin (67).
  2. Install the snap ring onto the servo pin (67) in order to retain the servo cushion springs (68) and the servo piston (69).
  3. Assemble the new seals (71, 72) onto the servo piston (69) and the servo cover (73).
  4. Assemble the servo piston assembly (67-70) into the servo cover (73). Lubricate the piston seals with transmission fluid in order to aid in assembly.
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