Parking Pawl: Service and Repair

Park System

Removal
1. Position the vehicle on a hoist. Place in NEUTRAL.

2. NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms can occur while the vehicle relearns its adaptive strategy. The customer needs to be notified that they may experience slightly different upshifts, either soft or firm, and this is a temporary condition and will eventually return to normal operating condition.

Disconnect the battery ground cable.





3. NOTE: If equipped, the transmission servo heat shield needs to be unclipped from the fluid pan rail and positioned out of the way for fluid pan removal.

Loosen the nut and position the heat shield out of the way.





4. Disconnect the shift cable from the manual control lever.





5. Disconnect the digital transmission range (TR) sensor electrical connector.





6. Remove the manual control outer lever nut and manual control outer lever.





7. Loosen the screws on the digital TR sensor.





8. Remove the transmission fluid pan.
1. Remove the transmission fluid pan.
2. Remove and discard the transmission fluid pan gasket.





9. Remove the transmission fluid filter.
1. Remove the transmission fluid filter screw.
2. Remove the transmission fluid filter.





10. Remove wire loom guide and protector.
^ Carefully lift up on wire loom guide and protector and disengage the retaining pins from the solenoid clamps.





11. Disconnect the solenoid electrical connectors.
1. Disconnect shift solenoids SSB and SSD electrical connectors.
2. Disconnect the torque converter clutch (TCC) solenoid electrical connector.
3. Disconnect the electronic pressure control (EPC) solenoid electrical connector.





12. CAUTION: The TCC solenoid and converter modulator valve can pop out of their bore. This may damage the solenoid or converter modulator valve. Remove the EPC, SSB. and SSD solenoids. 1 Remove the wire harness. 2 Remove the solenoid clamp screws. 3 Remove the solenoid clamp. 4 Remove the EPC, SSB and SSD solenoids.





13. CAUTION: Do not pry on the other wires or damage to the connector case surface can result.

Disconnect the turbine shaft speed (TSS) sensor electrical connector from the transmission case (16-pin) electrical connector.
1. Disconnect the TSS sensor electrical connector.
2. Remove the TSS sensor wire locator.





14. CAUTION: Do not overstretch the retaining spring.

Remove the transmission case (16-pin) electrical connector retaining spring.





15. CAUTION: Do not damage the connector or harness.

Remove the transmission case (16-pin) electrical connector.
^ Compress the tabs on the connector.
^ Push the connector out of the transmission case.





16. Remove the manual control valve detent lever spring.
1. Remove the screw.
2. Remove the spring.





17. CAUTION: To avoid damage, make sure the wrench does not strike the manual valve inner lever pin.

Remove the manual valve inner lever nut.





18. Remove the manual valve inner lever and parking lever actuating rod.





19. NOTE: To maintain initial driveshaft balance. mark the rear driveshaft yoke and axle flange so they can be installed in their original alignment.

Mark the rear driveshaft.





20. Remove the rear driveshaft.
1. Remove the bolts.
2. Remove the rear driveshaft.
21. If equipped, remove the transfer case.





22. NOTE: If damage is found to the parking gear, the transmission must be removed and disassembled.

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 and discard the extension housing gasket.





23. Inspect the parking pawl, parking pawl return spring and the parking pawl shaft.
^ Install new components if required.

Installation





1. CAUTION: Make sure the parking lever actuating rod is correctly seated into the case parking rod guide cup. Verify that the output shaft is locked in the PARK position.

Align the flats of the manual valve inner lever with the flats on the manual control lever shaft. Install the manual valve inner lever and parking lever actuating rod onto the manual control lever shaft.





2. CAUTION: Do not bend the manual valve inner lever pin.

Install the manual valve inner lever nut.





3. Rotate the manual lever into the NEUTRAL position, and install the manual valve detent spring.





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





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

Install the extension housing.
1. Position the extension housing.
2. Install the extension housing screws.
3. Install the extension housing stud.
6. If equipped, install the transfer case.





7. NOTE: Align the driveshaft with the marks made during removal to make sure balance is correct.

Install the rear driveshaft bolts.





8. NOTE: Make sure the tab is in the LOCKED position.

NOTE: Install new O-ring seals on the transmission case (16-pin) electrical connector.

Install the transmission case (16-pin) electrical connector.
^ Lubricate the transmission case (16-pin) electrical connector O-ring seals with petroleum jelly.





9. Press the transmission case (16-pin) electrical connector through the case until a click is heard.





10. CAUTION: Align the slot on the TSS sensor electrical connector with the slot in the (16-in) case connector.

Install the TSS sensor wire.
1. Install the TSS sensor wire into (16-pin) electrical connector.
2. Install the TSS sensor wire into locator.





11. CAUTION: Do not overstretch the retaining spring.
Install the transmission case (16-pin) electrical connector retaining spring.





12. Install the EPC, SSD and SSB solenoids.





13. CAUTION: The solenoid clamp must be installed in the TCC and EPC solenoid grooves, shift solenoid pockets and the No. 204 plug.

Install the solenoid clamp.
1. Position the solenoid clamp on the main control valve body.
2. Install the solenoid clamp screws.





14. Connect the TCC, SSD, SSB and EPC solenoid electrical connectors.





15. CAUTION: Excessive pressure can break the retaining pins.

Install the wire loom guide and protector.
^ Align the retaining pins to the holes in the solenoid clamps and gently press in the wire loom guide and protector.





16. Install the transmission fluid filter.





17. Install the transmission fluid pan.
1. Install a new transmission fluid pan gasket on the transmission fluid pan.
2. Install and align the transmission fluid pan.
^ Loosely install the transmission fluid pan screws.





18. Tighten the transmission fluid pan screws.
^ Tighten the transmission fluid pan screws in a crisscross sequence.





19. CAUTION: Tightening one screw before tightening the other can cause the sensor to bind or become damaged.

NOTE: The manual lever must be in the NEUTRAL position.

Using the special tool. align the digital TR sensor and tighten screws in an alternating sequence.





20. Install the manual control outer lever and nut.





21. Connect the digital transmission range (TR) sensor electrical connector.





22. Connect the shift cable to the manual control lever.





23. If equipped, position the servo heat shield over the servos and clip it to the pan rail.
24. Lower the vehicle.

25. NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms can occur while the vehicle relearns its adaptive strategy. The customer needs to be notified that they may experience slightly different upshifts, either soft or firm, and this is a temporary condition and will eventually return to normal operating condition.

Connect the battery ground cable.
26. Fill transmission to correct fluid level and check for correct transmission operation.