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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1014 (Rear Drive Axle) >> Repair Instructions >> Drive Pinion and Ring Gear Replacement (8.6, 9.5/9.5LD, and 11.5 Inch Axles) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the differential assembly. Refer to Differential Replacement (8.6, 9.5/9.5LD Inch Axles)  or Differential Replacement (10.5 Inch, 11.5 Inch Axle) .
  3. Remove the pinion yoke and the oil seal. Refer to Drive Pinion Flange/Yoke and/or Oil Seal Replacement (All Except 9.75 Inch Axle)  or Drive Pinion Flange/Yoke and/or Oil Seal Replacement (8.6 Inch Axle w/Drum Brakes) .
    4. Fig 1: Installing J 22536 Or J 44421 On Pinion
    GM683960Courtesy of GENERAL MOTORS CORP.
  4. Install the J 22536  , 8. See Special Tools .6 inch or 9.5/9.5LD inch axle, or the J 44421  , 11. See Special Tools .5 inch axle as shown.

    Ensure that the J 22536  or the J 44421  is firmly seated on the pinion. See Special Tools .

  5. Drive the pinion out using the J 22536  or the J 44421  and a hammer. See Special Tools .

    Strike the J 22536  or the J 44421  slowly. See Special Tools . Do not let the pinion fall out of the rear axle housing.

    6. Fig 2: View Of Collapsible Spacer & Pinion
    GM9731Courtesy of GENERAL MOTORS CORP.
  6. Remove the collapsible spacer from the pinion. Discard the spacer.
  7. Remove the pinion bearings and the cups. Refer to Drive Pinion Bearings Replacement (8.6, 9.5, 11.5 Inch Axle)  or Drive Pinion Bearings Replacement (10.5 Inch Axle) .
    8. IMPORTANT: The ring gear bolts on the 8.6 inch and the 9.5/9.5LF inch axles have left-hand threads. The ring gear bolts on the 11.5 inch axle have right-hand threads.
  8. Remove the gear bolts. Discard the bolts.
    9. NOTE: Refer to Ring Gear Removal Notice .
  9. Remove the ring gear from the differential. Drive the gear off with a brass drift if necessary.
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