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Home >> Chevrolet >> 2005 >> Chevy Express H1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transmission - 4L80-E/4L85-E - Introduction & Repair Instructions) >> Repair Instructions >> Reverse Servo Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Rear Servo Assembly
    GM512992Courtesy of GENERAL MOTORS CORP.
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the transmission oil pan and filter. Refer to Automatic Transmission Fluid/Filter Replacement .
  3. Remove the rear servo assembly from the transmission case as follows:
    • Cover bolts (6)
    • Cover (5)
    • Cover gasket (4)
    • Bottom retaining clip (3)
    • Servo piston (2)
    • Outer ring oil seal (1)
    • Inner ring oil seal (7)
    • Accumulator piston (8)
    • Piston seal (9)
    • Washer (10)
    • Servo spring (11)
    • Servo spring retainer (12)
    • Selective pin (13)
    • Accumulator spring (14)