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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 981 (Automatic Transmission - 4L80-E/4L85-E (Introduction, Service & Replacement)) >> Repair Instructions >> Reverse Servo Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the transmission filter. Refer to Automatic Transmission Fluid/Filter Replacement .
  2. Remove the rear servo from the transmission case in the following order:
    1. Cover bolts (6)
    2. Cover (5)
    3. Cover gasket (4)
    4. Bottom retaining clip (3)
    5. Servo piston (2)
    6. Outer ring oil seal (1)
    7. Inner ring oil seal (7)
    8. Accumulator piston (8)
    9. Piston seal (9)
    10. Washer (10)
    11. Servo spring (11)
    12. Servo spring retainer (12)
    13. Selective pin (13)
    14. Accumulator spring (14)
    Fig 1: Rear Servo Assembly
    GM512992Courtesy of GENERAL MOTORS CORP.
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