Wiper and Washer Systems: Service and Repair
Windshield Wiper System, Removing And Installing
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.
- 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 from 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.
- 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 alfa = 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 - alfa - is attained; re-align if necessary.
NOTE: Shown with wiper frame removed for illustration purposes.
- Set wiper blades to park position.
Tightening torques
Component - fastener Nm
Wiper motor to wiper frame - bolt 9
Wiper frame to plenum chamber - bolt 8
Wiper crank to wiper motor - nut 18