Windshield Wiper Arms, Adjusting: Procedure

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NOTE:

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

-- Remove the windshield wiper arms. Refer To WINDSHIELD WIPER ARMS, REMOVING AND INSTALLING .

-- Switch on the ignition.

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

NOTE:

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

To do so, the windshield wiper motor moves downward past the end position and then goes back up again slightly. This lower rest position must not be used to align the windshield wiper crank.

Only use the end position where the windshield wiper motor runs directly into the end position with no under-stroke. If necessary, activate "one-touch wiping" again.

-- Switch off the ignition.

-- Position the wiper arm with wiper blade installed at the wiper axle.

Fig 1: Identifying Dimensions

Courtesy of AUDI OF AMERICA, LLC

-- Align the wiper blade tip -2- on the lower edge of the windshield -1- to the cowl panel trim -3- :

Dimension -a- = 0 + 10 mm.
Dimension -b- = 0 + 10 mm.

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

Fig 2: Identifying Nuts For Wiper Arms

Courtesy of AUDI OF AMERICA, LLC

Tightening Specification. Refer To OVERVIEW - WINDSHIELD WIPER SYSTEM .

-- Switch on the ignition.

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

-- Switch off the ignition.

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

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