Wiper Arm: Adjustments

Windshield Wiper Arms, Adjusting

Procedure

• Tightening specification, refer to => [ Windshield Washer System Assembly Overview ] Windshield Washer System Assembly Overview.

• The hood must be closed if the windshield wiper will run during the procedure. Otherwise, the voltage supply to the wiper motors will be interrupted.

- Remove wiper arms. Refer to => [ Windshield Wiper Arms ] Service and Repair.

- Switch on ignition.

- Activate one-touch wiping and let wiper motor run to end position.

• Every second time the wiper motor is switched off, it returns the wiper arms to a slightly lower rest position, thus tipping the wiper blade lips the other way.

• To do so, the wiper motor moves the wiper arms farther down than to rest position and then a bit up again. This lower rest position must not be used to adjust the wiper crank.

• Only use end position where wiper arms run directly end position with no understroke. Activate one-touch wiping again if necessary.

- Turn off the ignition.

- Position wiper arm with wiper blade installed at wiper axles and align wiper blade at windshield as follows:





• Dimension - a - = 20 + 10 mm.

• Dimension - b - = 5 + 10 mm.

• The dimensions indicate the gap between the wiper blade tips to black cowl grille at lower edge of windshield.

- Tighten wiper arm nuts - arrows -.





- Switch on ignition.

- Operate one-touch wiping and let wiper arms run to end position.

- Turn off the ignition.

- Check adjustment of wiper arms again, correct if necessary.