Windshield wiper system, removing and installing
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Special tools, testers and auxiliary items required
- Removal lever 80-200
- VAG 1331 Torque wrench (or 5 - 50 Nm equivalent)
Removing
- Remove rubber seal of plenum chamber cover in direction of - arrow -.
- Remove plenum chamber cover - 1 - to front.
Wiper arms, removing
- Actuate touch-wipe function and allow wiper motor to move to end position.
- Use screwdriver to pry off caps - 3 -.
- Loosen nuts - 4 - (do not remove).
- Loosen wiper arms - 2 - from wiper shaft by tilting slightly.
- Remove nuts completely and remove wiper arms.
NOTE:
- Should wiper arms be difficult to remove, use appropriate puller.
- Remove retaining clips - 1 - and detach cowl panel grille - 5 -.
Wiper assembly, removing
- Remove cover for electronics box in plenum chamber - arrows -.
- Pry off wiper linkage - 2 - from ball head using lever 80-200.
- Remove crank from wiper motor.
- Unclip pipe/hose guides at wiper frame.
- Remove bolts - arrows - and detach entire wiper frame - 1 -.
- Disconnect electrical connection.
Wiper motor, removing fom frame
- Remove bolts - arrows - and remove wiper motor from wiper frame.
Installing
Install in reverse order of removal, noting the following:
- Secure wiper motor without crank to wiper frame - arrows -.
- Reconnect electrical connectors at wiper motor.
- Fit wiper motor with wiper frame in vehicle and loosely install bolts.
- Press wiper linkage in to stop in direction of - arrow - and tighten bolt - 1 -.
- Then tighten bolts - 2 - and - 3 - in sequence.
- Actuate touch-wipe function and allow wiper motor to move to end position.
CAUTION:
- Switch off all electrical consumers.
- Switch ignition off and remove ignition key.
- Check and if necessary, align crank - 1 - with wiper frame.
- Angle α = 2 degrees
- Hold crank in position and hand-tighten nut - 2 - so setting is not altered.
- Then brace crank with an open-end wrench and tighten nut fully.
- Switch on ignition.
- Actuate touch-wipe function and allow wiper motor to move to end position.
- Check that angle - α - is attained; re-align if necessary.
NOTE:
- Shown with wiper frame removed for illustration purposes.
- Set wiper blades to park position → Windshield wiper blade park position, adjusting .
Tightening torques
| Component - fastener | Nm |
| Wiper crank to wiper motor - nut | 18 |
| Wiper motor to wiper frame - bolt | 9 |
| Wiper frame to plenum chamber - bolt | 8 |