Differential Replacement (10.5 Inch Axles)
Differential Replacement (10.5 Inch Axle)
Special Tools
J 24429 - Side Bearing Backlash Spanner
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
2. Remove the rear axle shafts. Refer to Rear Axle Shaft and/or Gasket Replacement (Rear Axle Shaft and/or Gasket Replacement).
3. Remove the rear axle housing cover and the gasket. Refer to Rear Axle Housing Cover and Gasket Replacement (8.6, 9.5 Inch Axles) (Rear Axle Housing Cover and Gasket Replacement (8.6, 9.5 Inch))Rear Axle Housing Cover and Gasket Replacement (10.5 Inch Axle) (Rear Axle Housing Cover and Gasket Replacement (10.5 Inch Axle)).
4. Remove the differential bearing adjuster nut retainers.
Note: Mark the bearing caps left and right.
5. Remove the bearing caps and bolts.
Warning
To prevent personal injury and/or component damage, support the differential case when removing the case from the axle housing. If the case is not supported, the differential case could fall and cause personal injury or damage to the differential case.
Caution: When removing the differential case from the axle housing, do not damage the cover gasket surface. If the cover gasket surface is damaged, lubricant may leak from the axle and cause premature failure of the axle assembly.
6. Using the J 24429 - spanner, loosen the adjusters.
7. Remove the differential assembly.
Note: Mark the cups left and right and place the cups with the bearing caps.
8. Remove the bearing cups.
9. Remove the differential side bearings, if necessary. Refer to Differential Bearing Replacement (Differential Bearing Replacement).
10. Remove the ring gear, if necessary. Refer to Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) (Drive Pinion and Ring Gear Replacement (10.5 Inch Axle))Drive Pinion and Ring Gear Replacement (8.6, 9.5LD Inch Axles) (Drive Pinion and Ring Gear Replacement (8.6, 9.5LD Inch Axle)).
Installation Procedure
1. Install the ring gear, if necessary. Refer to Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) (Drive Pinion and Ring Gear Replacement (10.5 Inch Axle))Drive Pinion and Ring Gear Replacement (8.6, 9.5LD Inch Axles) (Drive Pinion and Ring Gear Replacement (8.6, 9.5LD Inch Axle)).
2. Install the differential side bearings, if necessary. Refer to Differential Bearing Replacement (Differential Bearing Replacement).
3. Lubricate the differential side bearings with axle lubricant. Refer to Fluid and Lubricant Recommendations (USA and Canada) (Fluid Type Specifications).
Note: Support the case in order to keep the case from falling out of the axle housing.
4. Place the case, with the bearing cups installed, into the axle housing.
Note: Do not torque the bearing cap bolts at this time.
5. Install the bearing caps and the bolts.
6. Using the J 24429 - spanner, turn the adjusters evenly on each side until snug against the differential.
7. Adjust the differential side bearing preload. Refer to Differential Carrier Bearing Preload Adjustment (9.5LD Inch Axle) (Differential Carrier Bearing Preload Adjustment (9.5LD Inch Axle))Differential Carrier Bearing Preload Adjustment (10.5 Inch Axle) (Differential Carrier Bearing Preload Adjustment (10.5 Inch Axle))Differential Carrier Bearing Preload Adjustment (8.6 Inch Axle) (Differential Carrier Bearing Preload Adjustment (8.6 Inch Axle)).
8. Adjust the backlash. Refer to Backlash Adjustment (8.6 Inch Axle) (Backlash Adjustment (8.6 Inch Axle))Backlash Adjustment (9.5 LD Axle) (Backlash Adjustment (9.5 Ld Inch Axle))Backlash Adjustment (10.5 Inch Axle) (Backlash Adjustment (10.5 Inch Axle)).
9. Perform a gear tooth contact pattern check. Refer to Gear Tooth Contact Pattern Inspection (Gear Tooth Contact Pattern Inspection).
Caution: Refer to Fastener Caution (Fastener Caution).
10. Tighten the bearing cap bolts to 185 Nm (136 lb ft).
11. Install the axle shafts and new gaskets. Refer to Rear Axle Shaft and/or Gasket Replacement (Rear Axle Shaft and/or Gasket Replacement).
12. Install the rear axle housing cover and a new gasket. Refer to Rear Axle Housing Cover and Gasket Replacement (8.6, 9.5 Inch Axles) (Rear Axle Housing Cover and Gasket Replacement (8.6, 9.5 Inch))Rear Axle Housing Cover and Gasket Replacement (10.5 Inch Axle) (Rear Axle Housing Cover and Gasket Replacement (10.5 Inch Axle)).
13. Fill the axle with the proper lubricant. Refer to Approximate Fluid Capacities (Capacity Specifications) and Fluid and Lubricant Recommendations (USA and Canada) (Fluid Type Specifications).
14. Remove the lower the vehicle.