Wiper Motor: Service and Repair

REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Remove the rear wiper arm from the rear wiper motor output shaft. (Refer to REAR WIPERS/WASHERS/REAR WIPER ARM - REMOVAL).

Fig.16 Rear Wiper Motor Output Shaft Nut Remove/Install:

3. Using a small thin-bladed tool, gently pry at the notch in the base of the rear wiper motor output shaft bezel to unsnap the nut cover from the bezel. Be certain to take proper precautions to protect the outer tailgate panel and its paint finish from damage during this procedure.
4. Remove the nut that secures the rear wiper motor output shaft to the outer swing gate panel.
5. Remove the bezel and gasket from the rear wiper motor output shaft.
6. Remove the trim panel from the tailgate inner panel.
7. Disconnect the tailgate wire harness connector for the flip-up glass ajar switch from the flip-up glass latch connector receptacle.

Fig.17 Rear Wiper Motor Remove/Install:

8. Disconnect the tailgate wire harness connector for the rear wiper motor from the motor connector receptacle.
9. Loosen the two screws that secure the rear wiper motor mounting bracket to the top of the tailgate inner panel.
10. Slide the rear wiper motor and mounting bracket back far enough to disengage the two mounting screws from the keyed slots in the top of the tailgate inner panel.
11. Remove the rear wiper motor and mounting bracket from the tailgate as a unit.

INSTALLATION
1. Position the rear wiper motor and bracket into the tailgate as a unit.
2. Insert the rear wiper motor output shaft through the hole in the tailgate outer panel and engage the two mounting screws into the keyed slots in the top of tailgate inner panel.
3. From the outside of the tailgate, center the rear wiper motor output shaft in the tailgate outer panel clearance hole and install the gasket and bezel over the centered shaft.
4. Install and tighten the nut that secures the rear wiper motor output shaft to the outer tailgate panel. Tighten the nut to 5 Nm (43 in. lbs.).
5. From the inside of the tailgate, tighten the two screws that secure the rear wiper motor mounting bracket to the top of the tailgate inner panel. Tighten the screws to 6 Nm (57 in. lbs.).
6. Reconnect the tailgate wire harness connector for the rear wiper motor to the motor connector receptacle.
7. Reconnect the tailgate wire harness connector for the flip-up glass ajar switch to the flip-up glass latch connector receptacle
8. Reinstall the trim panel onto the tailgate inner panel.
9. From the outside of the tailgate, press the nut cover firmly and evenly over the rear wiper motor output shaft bezel using hand pressure until it snaps into place.
10. Reinstall the rear wiper arm onto the rear wiper motor output shaft. (Refer to REAR WIPERS/WASHERS/REAR WIPER ARM - INSTALLATION)
11. Reconnect the battery negative cable.