Extension Housing

Extension Housing

Removal

1. Raise the vehicle on a hoist or stands.
2. Disconnect the parking brake cable from the equalizer, if so equipped.
3. Disconnect the driveshaft from the rear axle flange and remove from the transmission. To maintain initial driveshaft balance, mark the rear driveshaft yoke and companion flange so they may be installed in their original positions.
4. Disconnect the speedometer cable from the extension housing.
5. Remove the engine rear support-to-extension housing attaching bolts.
6. Place a jack under the transmission and raise lust enough to remove the weight from the engine rear support.
7. Remove the bolt that secures the engine rear support to the crossmember and remove the support.
8. Place a drain pan under the rear of the transmission case.
9. Lower the transmission and remove the extension housing attaching bolts. Slide the extension housing off the output shaft and allow the fluid to drain.
10. Remove and discard extension housing gasket.

Installation

1. Clean the mounting surface on the transmission and on the extension housing. Position a new gasket on the transmission.
2. Hold the extension housing in place and secure with the attaching bolts. Tighten to specified torque.
3. Raise the transmission high enough to position the engine rear support on the crossmember.
4. Secure the support to the crossmember with the attaching bolt and nut. Tighten the bolt to 68-94 N.m (50-70 ft-lbs).
5. Lower the transmission and remove the lack. Install the engine rear support-to-extension housing attaching bolts. Tighten the bolts to 82-108 N.m (60-80 ft-lbs).
6. Secure the speedometer cable to the extension housing with the attaching bolt.
7. Connect the parking brake cable to the equalizer.
8. Install the driveshaft, aligning the index marks, in the transmission and connect shaft to rear axle flange.
9. Lower the vehicle. Fill the transmission to the correct level with the specified fluid. Fluid - A/T
Start the engine and shift the transmission through all ranges, then recheck the fluid level.