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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1626 (Automatic Transmission - 4L80-E - Service & Replacement) >> Repair Instructions >> Forward Servo Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the following parts:
    • Piston spring (1)
    • Retainer (2)
    • Servo piston (3)
    • O-ring seal (4)
    • Forward servo piston pin (5)
    NOTE: Refer to FASTENER NOTICE .
  2. Install the forward servo gasket, cover, and bolts.

    Tighten 

    Tighten the bolts to 24 N.m (18 lb ft).

  3. Install the transmission filter. Refer to Automatic Transmission Fluid/Filter Replacement   . 
    Fig 1: Forward Servo Piston, Pin, O-Ring Seal, Retainer & Piston Spring
    G01952406Courtesy of GENERAL MOTORS CORP.
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