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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1613 (Automatic Transmission - ALLISON - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Rear Propeller Shaft Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Removing Rear Seal Using Slide-Hammer
    GM659319Courtesy of GENERAL MOTORS CORP.
  1. Remove the yoke assembly from the transmission. Refer to Differential Drive Pinion Gear Yoke Replacement .
  2. Obtain J 24171-A  and install a 90 degree hook onto the end of the slide-hammer (1).
  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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