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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 >> Reverse 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 rear servo to the transmission in the following order:
    1. 1.1. Accumulator spring (14)
    2. 1.2. Selective pin (13)
    3. 1.3. Servo spring retainer (12)
    4. 1.4. Servo spring (11)
    5. 1.5. Washer (10)
    6. 1.6. Piston seal (9)
    7. 1.7. Accumulator piston (8)
    8. 1.8. Inner ring oil seal (7)
    9. 1.9. Outer ring oil seal (1)
    10. 1.10. Servo piston (2)
    11. 1.11. Bottom retaining clip (3)
    12. 1.12. Cover gasket (4)
    13. 1.13. Cover (5)
    14. 1.14. Cover bolts (6)
    Fig 1: Installing Reverse Servo
    G02112263Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Tighten the cover bolts (61).

    Tighten 

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

  3. Install the transmission filter. Refer to AUTOMATIC TRANSMISSION FLUID/FILTER REPLACEMENT  .
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