Extension Housing: Service and Repair

1. Raise and support vehicle.
2. Install scribe marks on driveshaft end yoke and rear axle companion flange, then remove driveshaft.
3. Support transmission with suitable jack.
4. Remove speedometer cable from extension housing.
5. Remove bolts or nuts attaching rear support to crossmember.
6. Raise transmission slightly and remove rear support from extension housing.
7. Loosen extension housing attaching bolts and allow transmission to drain.
8. Remove bolts and the extension housing.
9. Reverse procedure to install, noting the following:
a. Use new extension housing gasket.
b. Ensure that operating rod parking notch is correctly seated.
c. Torque attaching bolts to 27-39 ft. lbs.