Park System

Park System

Special Tool(s):

Removal
All vehicles
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Maintenance/Service and Repair.
2. Remove the rear driveshaft.

Vehicles equipped with a transmission-mounted parking brake
3. Disconnect the transmission-mounted parking brake linkage.
1 Disconnect the return spring from the pin.
2 Remove the hair pin retaining clip from the pin.
3 Remove the pin from the actuating lever and move the actuating cable away from the actuating lever.
4 Compress the spring on the actuating cable and remove the cable out of the cable housing.





4. Remove the transmission-mounted parking brake.
1 Remove the transmission-mounted parking retaining bolts.
2 Keeping the vent in an upward position, remove the transmission-mounted parking brake assembly.
3 Remove and discard the transmission-mounted parking brake gasket.





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





All vehicles
6. Using a suitable transmission jack, support the transmission.
7. Remove the bolts and raise the transmission upward off the rear mount.





8. Disconnect the output shaft speed (OSS) sensor electrical connector.





9. Using the special tool, remove and discard the output shaft retaining nut.





All vehicles
10. Remove the 9 bolts and the extension housing.





11. Remove and discard the extension housing gasket.





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





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





14. Inspect the output shaft and park gear for damage.
1 Inspect the park gear for damage.
2 Inspect the OSS gear for damage.





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





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

Remove the park and OSS gear from the output shaft.





17. Inspect the Teflon(R) 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 not to damage the seals when installing the output shaft.

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.
^ Tighten to 25 Nm (18 ft. lbs.)





5. Install a new extension housing gasket.





6. Install the extension housing and the 9 bolts.
^ Tighten to 48 Nm (35 ft. lbs.)





Vehicles equipped with a fixed yoke
7. Using the special tool, install a new output shaft retaining nut.
^ Tighten to 200 Nm (148 ft. lbs.)





All vehicles
8. Connect the OSS sensor electrical connector.





Vehicles equipped with a transmission-mounted parking brake
9. Lower the transmission onto the rear mount and install the bolts.
^ Tighten to 94 Nm (69 ft. lbs.)





10. Install the transmission-mounted parking brake.
1 Install a new transmission-mounted parking brake gasket.
2 Keeping the vent in an upward position, install the transmission-mounted parking brake assembly.
3 Install the transmission-mounted parking retaining bolts.
^ Tighten to 63 Nm (46 ft. lbs.)





11. Connect the transmission-mounted parking brake linkage.
1 Compress the spring on the actuating cable and install the cable into the cable housing.
2 Install the actuating cable end onto the actuating lever and install the pin.
3 Install the hair pin retaining clip into the pin.
4 Connect the return spring to the pin.





Vehicles equipped with a fixed yoke
12. If equipped, install the output shaft flange.
1 Install the output shaft flange.
2 Install a new bolt.
^ Tighten to 130 Nm (96 ft. lbs.)





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

15. 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 0.24L (0.5 pt) until the correct level is achieved (fluid should be in the hot range cross-hatched area of the fluid level indicator).