Extension Housing: Service and Repair
REMOVAL1. Hoist and support vehicle on safety stands.
2. Support transmission with a suitable lifting device.
3. Remove transmission skid plate.
4. Remove propeller shafts.
5. Remove transfer case.
Fig. 75:
6. Remove bolts holding adapter housing to transmission case (Fig. 75).
7. Separate adapter housing from transmission.
8. Slide adapter housing rearward and off output shaft (Fig. 75).
INSTALLATION
Clear gasket material from sealing surfaces on adapter housing and rear of transmission. Replace output shaft bearing, if necessary.
1. Install new rear seal in adapter housing. Use Tool Handle C-4171 and Seal Installer C-3860-A to install seal.
2. Place adapter housing gasket in position on rear of transmission.
3. Slide adapter housing forward and over output shaft (Fig. 75).
4. Guide park shaft into park spray and push adapter housing forward until rod passes through opening behind spray. It may be necessary to use a wire to hold spray to the side for rod to pass through.
5. Install bolts to hold adapter housing to rear of transmission.
6. Install transfer case.
7. Install propeller shafts.
8. Install rear transmission mount and skid plate.
9. Lower vehicle and verify transmission fluid level. Add fluid as necessary.