Operation CHARM: Car repair manuals for everyone.

Extension Housing Gasket - 4X4

Removal
1. Disconnect the battery ground cable.
2. Raise and support the vehicle.





3. Note: To maintain initial driveshaft balance, mark the rear driveshaft yoke and axle flange so they may be installed in their original alignment.

Mark the rear driveshaft.
4. Remove the transfer case.
5. Remove the wire harness locators from the extension housing wire bracket.





6. Remove the transmission mount nuts.





7. Raise and support the transmission.





8. Remove the transmission mount.
1. Remove the transmission mount-to-extension housing screws.
2. Remove the transmission mount.





9. Remove the six extension housing screws and studs.





10. Note: The parking pawl, parking pawl return spring and parking pawl shaft may fall out during removal of the extension housing.

Remove the extension housing. Discard the extension housing gasket.

Installation





1. Clean the extension housing and install a new extension housing gasket. Make sure that the parking pawl, spring, and shaft are correctly installed.





2. CAUTION: Make sure the parking lever actuating rod is correctly seated into the case parking rod guide cup.

Install the extension housing.
- Position the extension housing and install the six extension housing screws and studs.





3. Install the transmission mount.
1. Position the transmission mount on the extension housing.
2. Install the screws.





4. Install the transmission mount into the crossmember and tighten the nuts.
5. Install the wire harness locators from the extension housing wire bracket.
6. Install the transfer case.





7. Note: Align the driveshaft with the marks made during removal to ensure correct balance.

Align and install the rear driveshaft.





8. Install the bolts.
9. Connect the battery ground cable.
10. Fill the transmission to proper fluid level and check for proper transmission operation.
- Use MERCON V Automatic Transmission Fluid XT-5-QM or equivalent meeting MERCON V specification.