gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Drive Pinion and Ring Gear Replacement (8.6, 9.5, 9.5LD Inch Axles)|Page 6553 > < Drive Pinion and Ring Gear Replacement (8.6, 9.5, 9.5LD Inch Axles)|Page 6551
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Pinion Gear: Service and Repair
Drive Pinion and Ring Gear Replacement (10.5 Inch Axle)

Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) 

Removal Procedure

1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the differential assembly.
3. Remove the pinion gear bearing retainer.
4. Remove the pinion and the pinion bearings.

5. Important:  The ring gear bolts have left-hand threads.

Remove the ring gear bolts. Discard the bolts.

6. Notice:  Refer to Ring Gear Removal Notice in Service Precautions.

Remove the ring gear from the differential. Drive the gear off with a brass drift if necessary.

Installation Procedure

1. If the differential case has become separated, assemble the differential case by aligning the two arrows inside the differential case as shown.

2. Important:  The mating surface of the ring gear and the differential case must be clean and free of burrs before installing the ring gear.

Install the ring gear to the differential case.

Drive Pinion and Ring Gear Replacement (8.6, 9.5, 9.5LD Inch Axles)|Page 6553 > < Drive Pinion and Ring Gear Replacement (8.6, 9.5, 9.5LD Inch Axles)|Page 6551