I can removal the wiper arms without any problem and I can remove the cowl under the hood that covers the battery and interior filter, but I have no idea how to remove the cowl under the wiper arms to get to the actual motor.
Maybe I am missing something and there is another way to get to the motor, but I can;t figure it out. Any help is appreciated.
We have a 2002 Audi A6 and I've just been doing a bit of self help to try and fix the inoperative wiper - the problem is one of the spindles on which ht ewiper arm sits is stuck - I managed to bang it out, grease it and put it back - but I just can't get the wipers positioned properly so that they sweep and park correctly - anyhow, back to your problem which presumably you have sorted by now? There are 3 clips fixing the cowl to the vehicle - one on the left, the centre and on the right hand side - the clips simply pull away but it is easier to do if you have a long nose pliers.
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You need to pop your hood up, remove your windshield wiper arms but make sure you mark the position of the arms marking on the arm and arm attachment for re-installation alignment, Remove rubber seal and plastic screws (Phillips head), remove windshield wiper water line from left side, then carefully remove plastic cowl. Under neath will be your wiper arms and motor. You can remove all 8 mm bolts and then remove whole plastic cowl and deatach the wiper motor. Installation is in reverse order of removal.
The wiper motor on a Volkswagen is an electric motor connected through a drive linkage to the wiper arms. Windshield wipers are an integral feature for operating a motor vehicle safely. If your wipers are not functioning, or seem to lack the speed or power they used to have, the wiper motor should be removed and replaced immediately .
The wiper motor on a Volkswagen is located directly underneath the plastic cowl cover. The cowl cover is located directly below the windshield.
Begin by removing the wiper arms by prying off the covers at the base of the arms and removing the nuts that secure the arms to the drive shafts. Label the passenger and driver arms so they can be installed in the same positions. They are not interchangeable. Remove the rubber hood to cowl weather seal. Unscrew the plastic fasteners from the driver's side of the cowl cover, then remove this half of the cover. Remove the fasteners from the passenger's side cowl cover and remove this half of the cover. Disconnect the windshield wiper motor wiring harness by separating the plastic wiring connector. Remove the three bolts that secure the wiper motor to the vehicle's body. Pull the motor slightly away from the body, then remove the nut that connects the motor shaft to wiper linkage. Remove the motor.
Place the new wiper motor into position in the cowl and reconnect it to the wiper arm linkage. Then reinstall the three retaining bolts. Reconnect the plastic wiring connector to the wiper motor wiring harness. Place the cowl covers into position below the windshield and reinstall the plastic fasteners that retain them. Reinstall the rubber hood to the cowl weather seal. Reinstall the wiper arms in the same position you removed them from, along with the wiper arm retaining nuts and lower wiper arm covers. Turn the windshield wipers on and test for proper operation. If the wiper blades slap against the bodywork surrounding the windshield, loosen the nuts that connect the wiper arms to the shafts and adjust.
Remove the rear hood seal. Remove the wiper arm assemblies by
raising the wiper blade off the windshield. Move the slide latch away
from the pivot shaft and slowly lower the arm onto the latch. This
unlocks the arm from the pivot shaft and holds the blade off the glass.
Pull the arm from the pivot shaft.
Remove the cowl vent screws and disconnect the washer hoses from the washer jets.
Detach the electrical connectors from the wiper motor.
Remove the wiper assembly attaching screws, lift the assembly out and disconnect the washer hose.
Unsnap and remove the linkage cover.
Remove the wiper module assembly retaining bolts and remove the module from the vehicle.
Remove the linkage retaining clip from the motor operating arm by
lifting the locking tab and pulling the clip away from the pin.
Remove the motor retaining screws and remove the motor from the vehicle.
The installation is the reverse of the removal.
Fig.: Lift up to release the clips and remove the hood-to-cowl weather strip
Fig.: Remove the cowl panel-to-firewall retaining clips
Remove the driver's side then the passenger side cowl panel from the vehicle
Fig.: Detach the electrical connector for the wiper motor
Release the wiper motor retaining clips and remove the cover from the vehicle
Fig.: Remove the wiper module assembly retaining bolts and remove the module from the vehicle
Fig.: Remove the wiper motor retaining bolts and ...
Remove wiper arms,open hood and remove plastic cowl(cover) at windshield,it is held in with plastic clips,the wiper motor is under the cover held in with 4 bolts(10mm).reinstall everything and turn on motor without wiper arms ,then turn it off so it finds its off position-reinstall wiper arms
A new wiper motor assembly comes with the linkage arm installed.
Before servicing the vehicle, refer to the Precautions Section.
Remove the windshield wiper mounting arm and pivot shaft
Do not remove the wiper motor linkage arm from the wiper motor
assembly. If the arm is removed, the wiper arms may not park in the
Use a suitable tool to separate the wiper linkage arm from the wiper mounting arm and pivot shaft assembly.
Remove the 3 bolts and the wiper motor.
Fig. Wiper motor and linkage
Install wiper motor and bolts.
Tighten wiper motor bolts to 10 ft. lbs. (13 Nm).
Install windshield wiper mounting arm and pivot shaft.
Check wiper operation.
Rear Wiper Motor - Removal & Installation
Remove the rear pivot arm.
Remove the rear wiper motor shaft nut cover
Remove the rear wiper motor shaft nut.
Open the lift gate window.
Remove the rear wiper motor cover trim panel.
Disconnect the electrical connector.
Remove the 2 rear window wiper motor nuts
Remove the rear window wiper motor.
Fig. Rear wiper motor view-2008 model shown, other years similar
Install rear wiper motor and tighten mounting nuts to 62 inch lbs. (7 Nm).
Reconnect the electrical connector.
Install wiper motor cover trim panel.
Install rear wiper pivot arm tighten nut to 53 inch lbs. (6 Nm).
1. Disconnect the negative battery cable 2. Detach washer hoses, lift the wiper arm covers and mark the wiper arm locations on the pivot shaft for later re-installation. Remove the wiper pivot nut and remove the wiper arms. 3. Remove the cowl cover (from chapter 11) 3a. Remove the wiper arms then remove the screws that hold the lower area of the cowl cover to the wiper module. 3b. Disengage the quarter turn fasteners that hold the outer ends of the cowl cover to the wiper module. 3c. Open the hood and release the wing nuts that hold the front of the cowl cover to the wiper module. 3d. Close the hood but do not latch it. Now remove the outboard screws and lift the cover up enough to get to the washer hose. 3e. Disconnect the washer hose from the right washer nozzle. Close the hood but do not latch it. Lift the cowl cover toward the windshield and off the vehicle. 3f. Installation is the reverse of removal 4.Open the hood. Disconnect the wiper motor electrical connector. 5. Disconnect the windshield washer hose from the coupling inside the unit. Disconnect the drain tubes from the bottom of the wiper unit. 6. Remove the wiper unit mounting bolts. (Picture appears to be three (possibly allen head) bolts) 7. Remove wiper unit. 8. Installation is the reverse of removal. Wiper blade and wiper arm adjustment is measured with the wipers parked; correct adjustment is the lower wiper arm approximately 1.5 inches distance from the cowl cover and the upper arm approximately 2.5 inches from the lower arm. Operate the wiper motor and check that the wiper motor parks when the wiper switch is OFF.
Pivot Shafts and Linkage
The windshield wiper assembly is mounted below cowl top extension (021A36) . Linkages are connected with non-removable plastic ball joints. Windshield wiper mounting arm and pivot shafts are an integral part of the windshield wiper and are serviced as one unit.
Disconnect the battery ground cable (14301). Refer to Section 14-01 .
Remove antenna mast from the antenna base.
Remove cap on LH and RH windshield wiper pivot arms to expose nuts retaining the arms to pivot shafts.
Remove two nuts, one from each of windshield wiper pivot arms . Lift wiper arms to service position, carefully rocking them back and forth to loosen them from the pivot shaft. Lift off windshield wiper pivot arms .
Remove seven screws retaining the cowl top vent panel.
Disconnect windshield washer hose (17A605) at LH side of vehicle just ahead of where it enters cowl top.
Remove hood cowl seal.
Carefully remove cowl top vent panel from vehicle.
Remove three retaining screws to cowl drain tube that is connected to top cowl.
Disconnect wiring harness leading to windshield wiper motor.
Remove five screws retaining cowl top to vehicle and remove cowl top and windshield wiper from vehicle.
Remove two screws and two nuts retaining windshield wiper to cowl top and separate the two parts.
Remove drive linkage from motor shaft linkage.
Remove remaining screws attaching windshield wiper and separate the two parts.
Cowl Top Panel
Nut (2 Req'd)
Windshield Wiper Motor
Screw (2 Req'd)
Windshield Wiper Assembly
Tighten to 9-12 Nm (80-106 Lb-In)