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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 999 (Automatic Transmission - ALLISON (Introduction, Service & Replacement)) >> Repair Instructions >> Seal Replacement - Rear Propshaft >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the yoke assembly from the transmission. Refer to Output Flange/Yoke Replacement .
  2. Obtain J 24171-A  and install a 90 degree hook onto the end of the slide-hammer (1).
    Fig 1: Removing The Rear Seal Using The Slide-Hammer
    GM659319Courtesy of GENERAL MOTORS CORP.
  3. Position the 90 degree hook behind the rear face of the seal's outer case (2).
  4. Remove the rear seal using the slide-hammer.
  5. Inspect the seal bore for scratches. Remove any scratches in the seal bore using crocus cloth.
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