Important: 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. Remove the drive pinion yoke/flange. Refer to Drive Pinion Yoke Replacement .
2. Remove the pinion oil seal. Use a suitable seal removal tool. Do not damage the carrier.
3. Inspect the seal surface of the pinion yoke/flange for the following conditions:

•	Tool marks

•

Nicks

•	Damage such as a groove worn by the seal

4. Inspect the carrier bore for burrs that may cause leaks around the outside of the seal.

Tools Required

J 23911 Pinion Oil Seal Installer

1. Install a new pinion oil seal using theJ 23911 .
2. Install the drive pinion yoke/flange. Refer to Drive Pinion Yoke Replacement .