Unscrew the negative cable at the battery of the windshield wiper motor. Take out the retaining nuts and disconnect the air conditioning hose bracket then dislodge the hose. Lose the retaining nut, disconnect the wiper arm to the motor shaft, then loosen the four retaining bolts, disconnect the electrical connector, and then take away the wiper motor out of the car. With the rear wiper motor, use a flip up cover, remove the wiper arm retaining nut and remove the wiper arm. Take out the nut and washers of the wiper arm shaft with easy of installation in mind. Liftgate blisters and take off trim panel. Disconnect the electrical connector, take out the retaining bolts and lift the motor out of the liftgate. The opposite of removal is installation.