1. Disconnect the negative battery cable.
2. Remove the rear wiper arm and blade. (See REAR WIPER ARM AND BLADE REMOVAL/INSTALLATION.)
3. Remove the the rear wiper motor nut cover.
4. Remove the rear wiper motor nut.
5. Open the liftgate.
6. Remove the rear wiper motor cover.
7. Remove the rear wiper motor.
8. Install in the reverse order of the removal.