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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 >> Removal Procedure

Removal 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. Remove the transmission filter. Refer to AUTOMATIC TRANSMISSION FLUID/FILTER REPLACEMENT  .
  2. Remove the forward servo cover bolts, cover, and gasket.
  3. Remove the following parts:
    1. 3.1. Forward servo piston pin (5)
    2. 3.2. O-ring seal (4)
    3. 3.3. Servo piston (3)
    4. 3.4. Retainer (2)
    5. 3.5. Piston spring (1)
    Fig 1: Removing Forward Servo
    G02112276Courtesy of GENERAL MOTORS CORP.
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