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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1331 (Rear Drive Axle) >> Repair Instructions >> Differential Drive Pinion Gear Bearing Replacement (10.5 Inch Axle) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 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, 9.5/9.5 LD Inch Axles)  or Differential Replacement (10.5 Inch, 11.5 Inch Axle) .
  3. Remove the pinion gear bearing retainer. Refer to Differential Drive Pinion Gear Bearing Replacement (8.6, 9.5, 11.5 Inch Axle)  or Differential Drive Pinion Gear Bearing Replacement (10.5 Inch Axle) .
  4. Remove the pinion yoke and the oil seal. Refer to Drive Pinion Flange/Yoke and/or Oil Seal Replacement .
  5. Remove the outer pinion bearing.
  6. Fig 1: View Of Pinion
    GM694822Courtesy of GENERAL MOTORS CORP.
  7. Using an hydraulic press and the appropriate supports, remove the differential pinion gear.
  8. Fig 2: View Of Collapsible Spacer
    GM739955Courtesy of GENERAL MOTORS CORP.
  9. Remove the collapsible spacer.
  10. Fig 3: View Of Inner Pinion Bearing & Hydraulic Press
    GM680110Courtesy of GENERAL MOTORS CORP.
  11. Using the J 22912-B:  remover and a hydraulic press, remove the inner pinion bearing from the differential pinion gear.
  12. Fig 4: View of Outer Pinion Bearing Cup
    GM739944Courtesy of GENERAL MOTORS CORP.
    NOTE:
    • Insert the brass drift in the slots to remove the bearing cup.
    • Move the drift back and forth between one side of the cup and the other in order to work the cups out of the retainer evenly.
  13. Using a hammer and a brass drift, remove the outer pinion bearing cup.
  14. Fig 5: View of Inner Pinion Bearing Cup
    GM739945Courtesy of GENERAL MOTORS CORP.
    NOTE:
    • Insert the brass drift in the slots to remove the bearing cup.
    • Move the drift back and forth between one side of the cup and the other in order to work the cups out of the retainer evenly.
  15. Using a hammer and a brass drift, remove the inner pinion bearing cup.
  16. Fig 6: View of Pinion Gear Pilot Bearing
    GM694509Courtesy of GENERAL MOTORS CORP.
  17. Using a brass drift and a hammer, remove the pinion gear pilot bearing.