Removal and installation the rear window wiper arm/motor (VW Polo 4)

Removal

Wet the rear window glass with water.

Turn on the windshield wiper briefly and turn it off using the steering column switch. The windshield wiper should stop in its original position.

Mark the initial position of the brush on the glass with adhesive tape when the wiper arm is correctly adjusted.

Fold up the protective cap "1".

Loosen nut "2" by approximately two turns.

Fold the windshield wiper arm "3" up and move it in different directions. As a result, the arm will move away from the cone of the electric motor shaft.

Unscrew the nut completely and remove the windshield wiper arm.

Remove the lower trim of the rear door.



Disconnect plug "1" and hose "2" from the windshield washer nozzle.



Unscrew the windshield wiper motor mount "arrows".

Installation

Carefully insert the motor shaft into the rear window glass opening, ensuring that the "arrow" seal is in the correct position.

Tighten the electric motor mount to a torque of 8 Nm.

Connect the plug and hose to the windshield washer nozzle.

Install the rear door lower trim.

Make sure the windscreen wiper motor is in its home position. If necessary, briefly switch the motor on and off using the steering column switch.

(The information is posted on this resource: «VWmanual.ru»)

Place the windshield wiper arm onto the shaft splines and align it according to the mark made before removal.

Screw on the fastening nut and tighten to a torque of 15 Nm.

Cover the nut with a protective cap.

Wet the rear window glass with water.

Turn on the windshield wiper for a short time and turn it off via the steering column switch. Check the position of the windshield wiper lever, adjust the lever position if necessary.