Wiper and Washer Systems: Service and Repair

Windshield Wiper System, Removing And Installing

Special tools, testers and auxiliary items needed







- VAG 1331 Torque wrench (or equivalent 5 - 50 Nm)







- Optional: T10130 Puller (where required)

Wiper arms, removing

NOTE:
- The wiper arms and windshield cowl panel must be removed in order to remove the wiper assembly (consisting of wiper motor, frame, wiper shafts and linkages).
- The housing for the control modules (in left side of plenum) must be also be released and pushed forwards.
- Before removing wiper arms, ensure that wiper motor is in park position. This ensures proper wiper arm/blade park position when reinstalling.

- Disconnect battery.







- Pry off wiper arm cap -arrow- with a screwdriver.







- Loosen M8 nuts -arrows-, but do not remove completely.
- Rock wiper arms back and forth on shaft until they are felt to release.
- Remove nut completely and remove wiper arms.

NOTE: If wiper arm does not release easily from shaft after loosening nut, do not use force. Use the following procedure:







- Place locating arms of puller T10130 -2- under wiper arm -4- as illustrated.
- Turn spindle screw -1- clockwise until it engages the wiper shaft and previously loosened nut -3- (the nut serves as a centering guide for spindle -1-).
- Continue to turn spindle screw -1- clockwise until the wiper arm -4- releases from shaft.
- Turn spindle screw -1- counterclockwise until puller can be released from assembly.
- Remove nut -3- completely and remove wiper arm -4-.

Air intake plenum cover, removing
- Open front hood.






- Slide battery cover -1- in direction of -arrow A- and remove.
- Remove rubber seal -2- in direction of -arrow B-.
- Pull cover -3- forward and remove.

Windshield cowl panel, removing

NOTE: On vehicles through 09.00, the cowl panel is attached to the panel edge below the windshield and secured by two panel clips and a Phillips head screw.







- Pull left panel clip -arrow- forwards.







- Pull center panel clip -arrow- forwards.







- Vehicles through 09.00: remove screw -arrow- and carefully lift cowl panel upwards.
- Vehicles from 10.00: carefully lift cowl panel upwards.







- Remove screws -arrows- for ECM cover, lift cover and set aside.







- Remove hex nut -arrow- in housing.







- Remove hex nut -arrow- on housing.
- Pull housing from rubber mounting and push forwards.

Wiper assembly, removing







- Disconnect electrical connector from wiper motor.
- Remove M6 hex bolts and washers -arrows-.
- Remove complete assembly.

Removing wiper motor from frame







- Pry linkages -1- from wiper motor crank using a large screwdriver.
- Remove M8 hex nut -2-.
- Remove wiper motor crank.
- Remove all M6 mounting bolts -3-.

Installing wiper motor in frame

NOTE: Ensure that wiper motor is in park position. If necessary, connect the electrical connector and operate wiper switch briefly. Electrical connector must be disconnected again prior to installation.

- Install all M6 hex bolts to secure motor.
Tightening torque: 8 Nm (71 in lb)

Wiper motor park position, adjusting







- Mount wiper motor crank and align so that crank and linkages line up, see illustration.
- Tighten M8 hex nut and press linkages onto wiper motor crank.
Tightening torque: 20 Nm (15 ft lb).
- Remaining steps to install wiper assembly are in reverse order of removal.
- Reconnect battery.