Rear Drive Axle

Drive Pinion Flange/Yoke and/or Oil Seal Replacement (9.75, 10.5 and 10.75 Inch Axles)

Special Tools
* J 8614-01 Flange and Pulley Holding Tool
* J 45710 Pinion Bearing Oil Seal Installer

Removal Procedure

Note: Observe and mark the positions of all the driveline components, relative to the propeller shaft and the axles, prior to disassembly. These components include the propeller shafts, drive axles, pinion flanges, output shafts, etc. Reassemble all the components in the exact places in which you removed the parts. Follow any specifications, torque values, and any measurements made prior to disassembly.

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
2. Disconnect the propeller shaft from the rear axle pinion yoke. Refer to One-Piece Propeller Shaft Replacement (One-Piece Propeller Shaft Replacement) or Two-Piece Propeller Shaft Replacement (Two-Piece Propeller Shaft Replacement).




3. Place an alignment mark between the pinion and the pinion yoke.




4. Install the J 8614-01 as shown.
5. Remove the pinion nut while holding the J 8614-01 .




6. Remove the washer.




7. Install the J 8614-2 (2) and the J 8614-3 (3) into the J 8614-01 (1) as shown.
8. Remove the pinion yoke by turning the J 8614-3 (3) clockwise while holding the J 8614-01 (1).
Use a container in order to retrieve the lubricant.
9. Remove the pinion oil seal using a suitable seal removal tool.

Installation Procedure




1. Install the new seal using the J 45710 .




2. Install the pinion yoke.

Caution: Refer to Pinion Flange/Yoke Installation Caution (Pinion Flange/Yoke Installation Caution).

3. Seat the pinion yoke onto the pinion shaft by tapping it with a soft-faced hammer until a few pinion shaft threads show through the yoke.




4. Install the washer.





Note: Do not reuse the pinion nut.

5. Install the new pinion nut.




6. Install the J 8614-01 onto the pinion yoke as shown.

Caution: Refer to Fastener Caution (Fastener Caution).

7. Tighten the pinion nut while holding the J 8614-01 . Tighten the pinion nut to 339 Nm (250 lb ft).
8. Install the propeller shaft to the rear axle pinion yoke. Refer to One-Piece Propeller Shaft Replacement (One-Piece Propeller Shaft Replacement) or Two-Piece Propeller Shaft Replacement (Two-Piece Propeller Shaft Replacement).
9. Inspect and add axle lubricant to the axle housing, if necessary. Refer to Rear Axle Lubricant Level Inspection (8.6, 9.5 Inch Axle) (Rear Axle Lubricant Level Inspection (8.6, 9.5 Inch Axle))Rear Axle Lubricant Level Inspection (9.75, 10.5 and 10.75 Inch Axle) (Rear Drive Axle).
10. Lower the vehicle.