Automatic Transmission - TorqShift

Park System





Special Tool(s)

Removal
All vehicles
1. With the vehicle in NEUTRAL, position on a hoist.

4x4 vehicles
2. Remove the transfer case.

4x2 vehicles
3. Remove the rear driveshaft.





Vehicles equipped with a fixed yoke
4. Remove the output shaft flange.
1 Remove and discard the output shaft flange bolt.
2 Remove the output shaft flange.

All vehicles
5. Using a suitable transmission jack, support the transmission.





6. Remove the bolts, and raise the transmission upward, off the rear mount.





7. Disconnect the Output Shaft Speed (OSS) sensor electrical connector.





4x4 vehicles
8. Using the special tool, remove the output shaft retaining nut.

All vehicles

NOTE: The 4x4 extension housing is shown, the 4x2 is similar.





9. Remove the nine bolts and the extension housing.





10. Remove and discard the extension housing gasket.





11. Remove the parking rod guide plate bolts and plate.





12. Remove the park pawl components.
1 Remove the park pawl return spring.
2 Remove the park pawl.
3 Remove the park pawl shaft.





13. Inspect the output shaft and park gear for damage.
1 Inspect the park gear for damage.
2 Inspect the Output Shaft Speed (OSS) gear for damage.





14. If damage is found to either the OSS or park gears, remove the park gear and output shaft as an assembly.





15. NOTE: The park gear and OSS gear may be present on the output shaft.

Remove the park and OSS gear from the output shaft.





16. Inspect the Teflon seals in the rear of the case. If the seals are worn or damaged, install new scarf cut seals.

Installation





All vehicles
1. Using petroleum jelly to hold the bearing or bushing in place, install the output shaft bearing for slip yoke models and the bushing for fixed yoke models.





2. CAUTION: Be careful when installing the output shaft not to damage the seals.

If the output shaft was removed, install the output shaft and park gear assembly.





3. Install the park pawl shaft.
1 Install the park pawl shaft.
2 Install the park pawl.
3 Install the park pawl return spring.





4. Install the parking rod guide plate.
1 Install the parking rod guide plate.
2 Install the bolts.





5. Install a new extension housing gasket.





6. Install the extension housing and the nine bolts.





Vehicles equipped with a fixed yoke
7. Using the special tool, install the output shaft retaining nut.





All vehicles
8. Connect the Output Shaft Speed (OSS) sensor electrical connector.





9. Lower the transmission onto the rear mount and install the bolts.





Vehicles equipped with a fixed yoke
10. If equipped, install the output shaft flange.
1 Install the output shaft flange.
2 Install a new bolt.

4x2 vehicles
11. Install the rear driveshaft.

4x4 vehicles
12. Install the transfer case.

All vehicles
13. Start the engine. Move the transmission range selector lever through all the gear ranges, checking for engagements.

14. CAUTION: The use of any other transmission fluid than specified can result in the transmission failing to operate in a normal manner or transmission failure.

With the vehicle in NEUTRAL, engine running and the transmission at normal operating temperature 66 - 77°C (150 - 170°F), check and adjust the transmission fluid level, and check for any leaks. If fluid is needed, add fluid in increments of 0.24 liter (0.5 pint) until the correct level is achieved (fluid should be in the cross-hatched area of the fluid level indicator).