### Extension Housing Seal (in Vehicle)

#### REMOVAL & INSTALLATION

1. Raise the vehicle and support safely.
2. Matchmark the driveshaft (if the driveshaft is not installed in the correct position it may cause a vibration) and differential companion flanges.
3. Loosen the companion flange bolts and lower the driveshaft from the differential.
4. Carefully withdraw the driveshaft from the transmission. Plug the extension opening to prevent leakage.
5. Using the proper tool, remove the oil seal from the extension.

   To install:

6. Wipe all seal contact surfaces clean. Coat the lip of the new seal with clean transmission fluid.
7. Using the proper drift tool, drive the new seal into the extension housing.
8. Insert the driveshaft into the extension housing making sure the splines are properly engaged.
9. Raise the driveshaft and align the companion flange marks. Install and EVENLY tighten the flange bolts to 29–33 ft. lbs.
10. Lower the vehicle. Check the fluid level and add as necessary.