Seals and Gaskets: Service and Repair

Removal

WARNING: The electrical power supply to the air suspension system must be shut off prior to hoisting, jacking or towing an air suspension vehicle. This can be accomplished by turning off the air suspension switch located in the rear jack storage area. Failure to do so can result in unexpected inflation or deflation of the air springs, which can result in shifting of the vehicle during these operations.

1. With the transmission in neutral, raise and support the vehicle.





2. Index-mark the rear output flange and the driveshaft yoke.





3. Remove the four bolls.





4. Separate the driveshaft from the output flange, and position the driveshaft aside.





5. Index-mark the rear output flange to the rear output shaft.





6. Use the special tool to hold the rear output flange while removing the nut.





7. Remove the rear output flange.
1. Remove the output shaft yoke washer.
2. Remove the oil seal.
3. Remove the rear output flange.





8. Using the special tools, remove the oil seal.

Installation








1. To install, reverse the removal procedure.
- Use the special tool to install the oil seal.
- Check, and if necessary, fill the transfer case to the specified level with the specified fluid.