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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 >> 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 rear servo from the transmission case in the following order:
    1. 2.1. Cover bolts (6)
    2. 2.2. Cover (5)
    3. 2.3. Cover gasket (4)
    4. 2.4. Bottom retaining clip (3)
    5. 2.5. Servo piston (2)
    6. 2.6. Outer ring oil seal (1)
    7. 2.7. Inner ring oil seal (7)
    8. 2.8. Accumulator piston (8)
    9. 2.9. Piston seal (9)
      Fig 1: Removing Reverse Servo
      G02112262Courtesy of GENERAL MOTORS CORP.
    10. 2.10. Washer (10)
    11. 2.11. Servo spring (11)
    12. 2.12. Servo spring retainer (12)
    13. 2.13. Selective pin (13)
    14. 2.14. Accumulator spring (14)
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