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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 834 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement)) >> Repair Instructions >> Forward Servo Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Yukon XL, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. 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 in Cautions and Notices.
  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: Installing Forward Servo
    G02112277Courtesy of GENERAL MOTORS CORP.
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