Windshield Wiper Arms, Adjusting

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Procedure

NOTE:

If the windshield wiper motor is to be run during the work procedure, the hood must be closed. Otherwise, the voltage supply of the wiper motor will be interrupted.

-- Remove the windshield wiper arms, refer to WINDSHIELD WIPER ARMS, REMOVING AND INSTALLING .

-- Turn on the ignition.

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

NOTE:

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

To do so, the windshield 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 into the end position with no understroke. Activate "One-touch wiping" again if necessary.

-- Turn off the ignition and remove the key.

WARNING:

Danger of unintended engine ignition

Turn off the ignition and remove the ignition key from the vehicle interior for all work performed on the high voltage vehicle.

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

Fig 1: Checking Windshield Wiper Blade Tips Position

Courtesy of AUDI OF AMERICA, LLC

Dimension -a- = 13 + 10 mm.
Dimension -b- = 15 + 10 mm.

NOTE:

The dimensions give the distance of the wiper blade tips to the cowl panel trim on the lower edge of the windshield.

-- Tighten the nuts -2- for the wiper arms -1-.

Fig 2: Identifying Nuts -2- & Wiper Arms -1-

Courtesy of AUDI OF AMERICA, LLC

Tightening specification, refer to OVERVIEW - WINDSHIELD WIPER SYSTEM .

-- Turn on the 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.

-- Press the caps -arrows- onto the wiper arms.