Installation Procedure
- Install the ring gear, if necessary. Refer to Drive Pinion and Ring Gear Replacement .
- Install the differential side bearings, if necessary. Refer to Differential Side Bearings Replacement .
- Lubricate the differential side bearings with axle lubricant. Use the proper fluid. Refer to Fluid and Lubricant Recommendations in Maintenance and Lubrication.
- Place the case, with the bearing cups installed, into the axle housing.
Support the case in order to keep the case from falling out of the axle housing.
- Install the bearing caps and the bolts. Do not torque the bearing cap bolts at this time.
- Adjust the differential side bearing preload. Refer to Differential Side Bearing Preload Adjustment (9.5 Inch Axle) .
- Adjust the backlash. Refer to Backlash Adjustment .
- Perform a gear tooth contact pattern check. Refer to Gear Tooth Contact Pattern Inspection .
- Tighten the bearing cap bolts.
Tighten:
- For the 8.6 inch axle, tighten the bearing cap bolts to 75 N.m (55 lb ft)
- For the 9.5 inch axle, tighten the bearing cap bolts to 85 N.m (63 lb ft)
- Install the axle shafts. Refer to Rear Axle Shaft Replacement .
- Fill the axle with the proper lubricant. Refer to Lubricant Replacement - Rear Drive Axle .
- Lower the vehicle.