Drive Pinion Bearings Replacement (9.75, 10.5 and 10.75 Inch Axles)
Drive Pinion Bearings Replacement (9.75, 10.5 and 10.75 Inch Axles)
Special Tools
* J 7818 Inner Bearing Race Installer
* J 8092 Universal Drive Handle
* J 22536 Pinion Driver
* J 22912-B Split-Plate Bearing Puller
* J 42176 Universal Driver Handle - Non-Threaded
* J 44417 Rear Pinion Bearing Race Installer
* J 45703 Pinion Bearing Race Remover - Dana 248
* J 45704 Pinion Bearing Race Installer - Dana 248
* J 45705 Pinion Bearing Race Remover - Dana 248/267
* J 45706 Pinion Bearing Race Remover - Dana 286
Removal Procedure
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the differential assembly. Refer to Differential Replacement (8.6 Inch Axle) (Differential Replacement (8.6 Inch Axle))Differential Replacement (9.75, 10.5 and 10.75 Inch Axles) (Differential Replacement (9.75, 10.5 and 10.75 Inch Axles)) .
3. Remove the pinion yoke and the pinion oil seal. Refer to Drive Pinion Flange/Yoke and/or Oil Seal Replacement (8.6 Inch Axle) (Drive Pinion Flange/Yoke and/or Oil Seal Replacement (8.6 Inch Axle))Drive Pinion Flange/Yoke and/or Oil Seal Replacement (9.75, 10.5 and 10.75 Inch Axles) (Drive Pinion Flange/Yoke and/or Oil Seal Replacement (9.75, 10.5 and 10.75 Inch Axles)) .
4. Remove the thrust washer.
5. Install the J 22536 as shown.
Ensure that the J 22536 is firmly seated on the pinion.
6. Drive the pinion out using the J 22536 and a hammer.
Strike the J 22536 slowly. Do not let the pinion fall out of the rear axle housing.
7. Remove the pinion preload shims, both axles, and the pinion spacer, 10.5 and 10.75 inch axles only, from the drive pinion and set aside.
8. Remove the inner pinion bearing cup and the oil deflector using the J 45703 , 9.75 inch axle, or the J 45706 , 10.5 and 10.75 inch axles (2) and the J 42176 (1).
9. Remove the outer pinion bearing cup using the J 45705 and the J 42176 .
10. Remove the inner pinion bearing using the J 22912-B and a hydraulic press.
11. Remove the selective pinion shim.
Installation Procedure
1. For the 9.75 inch axle, install the inner pinion bearing cup using the J 45704 (2) and the J 8092 (1).
2. For the 10.5 and 10.75 inch axles, install the inner pinion bearing cup using the J 44417 (2) and the J 8092 (1).
3. Install the outer pinion bearing cup using the J 7818 (2) and the J 8092 (1).
4. Determine the selective pinion shim thickness and the pinion preload shim thickness for the drive pinion. Refer to Pinion Depth Adjustment (8.6 Inch Axle) (Pinion Depth Adjustment (8.6 Inch Axle))Pinion Depth Adjustment (9.75, 10.5 and 10.75 Inch Axles) (Pinion Depth Adjustment (9.75, 10.5 and 10.75 Inch Axles)) .
5. Install the differential assembly. Refer to Differential Replacement (8.6 Inch Axle) (Differential Replacement (8.6 Inch Axle))Differential Replacement (9.75, 10.5 and 10.75 Inch Axles) (Differential Replacement (9.75, 10.5 and 10.75 Inch Axles)) .
6. Fill the axle with the proper axle lubricant. Refer to Rear Axle Lubricant Replacement (8.6 Inch Axle) (Rear Axle Lubricant Replacement (8.6 Inch Axle))Rear Axle Lubricant Replacement (9.75, 10.5 and 10.75 Inch Axles) (Rear Axle Lubricant Replacement (9.75, 10.5 and 10.75 Inch Axles)) .
7. Lower the vehicle.