Extension Housing: Service and Repair
Extension Housing SealSpecial Tool(s)
Material
Removal
1. With the vehicle in NEUTRAL, position it on a hoist.
2. NOTE: The output shaft and driveshaft are a balanced assembly.
Mark the driveshaft flange and the rear pinion flange for correct alignment during assembly.
3. Remove the four driveshaft bolts.
4. Slide the driveshaft back enough to index-mark the driveshaft, the extension housing and the output shaft. Separate the driveshaft from the transmission.
5. Using the special tools, remove the extension housing seal.
Installation
1. NOTE: When installing the new seal, make sure that the drain hole in the seal is in the six o'clock position.
Using the special tool, install a new extension housing seal.
2. NOTE: The output shaft and the driveshaft are a balanced assembly.
Install the driveshaft.
^ Align all the index marks and position the driveshaft on the transmission.
^ Install the driveshaft.
3. NOTE: To maintain driveshaft balance, install the driveshaft yoke and flange in the original position that was marked during removal.
Install the four retaining bolts.
4. Check the level of the transmission fluid, add clean automatic transmission fluid as necessary.