REMOVAL & INSTALLATION
See Figure 1
- Raise and support the vehicle safely using jackstands.
- Matchmark and remove the front or rear driveshaft, as applicable.
- For front shaft seal on vehicles applicable, remove the shaft yoke nut and washers, then remove the yoke and shield for access to the seal.
- For front shaft seal removal on models with the BW4472 transfer case, remove the flange nut, washers, then remove the output flange for access to the seal.
- Pry out the old seal using a small suitable prytool. Be careful not to damage the seal bore.
- Lubricate the lips of the new seal using automatic transmission fluid or petroleum jelly, whichever is at hand.
- On models with the BW4472 transfer case, align the water hole in the rear output shaft oil seal with the drain hole in the extension housing, then using seal driver J-37668 or its equivalent, install the seal.
- On all other models, position the seal and carefully drive it into position using a suitable seal installer tool.
- As applicable, install the shield and shaft yoke, then install the washers and yoke nut. On 1994 vehicles, tighten the nut to 110 ft. lbs. (149 Nm). On 1995-99 vehicles, tighten the flange nut to 80 ft. lbs. (108 Nm).
- Align and install the driveshaft to the vehicle.
- Remove the jackstands and carefully lower the vehicle.