Wipers do not park at the cowling when in intermittent mode
When operating the wipers in intermittent mode, the wiper arms stop at random locations during the sweep. If the wipers are operated in the continuous mode for several minutes, they behave when switched to intermittent for a period then again stop in a random position. I suspect some worn plastic cam-like part in the wiper motor switch assembly. Please confirm that a new wiper motor will cure this problem or can I merely repair the existing wiper motor and restore proper operation in the intermittent mode?
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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.
It sounds like the retaining nut has come loose. First cycle the wipers and shut off to put in the park position, Remove the cap at the base of the wiper arm there should be a nut. Position wiper to where it usually rests in the park position, and tighten nut. Try the wipers, if working replaced cap good to go. If it still doesn't move then quite likely that side arm has popped off the wiper transmission underneath the front cowl. Remove both wiper arms by taking off nuts and prying off, check underneath the cowl. If you find the arm popped off a ball stud reattach and try wipers (without installing cowl or wiper arms, just check to see if both sides swivel. If it pops off again its worn out and you will need a wiper transmission.
It is up on the top center, under the vent for the cowl. It is a replaceable item, easily taken out and put back in. Did your wipers stop going into park? Or something else? Take off the blades, a couple screws hold down the cowl and the motor should be held on with a couple bolts and the wiper arms, check it out, hope this helps.
The wipers are parking in the middle because the timing mechanism is off. Once they start doing this it seems to continue to happen so the 1st suggestion is to replace the wiper motor. If U don't want to spend the $ right now it's a pretty easy fix to reset the timing. Park the wipers & remove the wiper arms. Then remove the plastic cowling that covers the wiper motor & the motor assembly. Turn the wiper assembly over without turning the motor. Remove the nut on the arm of the motor. Repostion the arm pointing away from the closet wiper directly inline with the short arm. reassemble.
They (the wiper motor and mechanism) are underneath the cowl vent screen.
To replace the motor and mechanism:
1: Turn the ignition to the on position with the wipers at low speed. When the arms are point straight up, turn it off.
2: Use a small screwdriver and pry the plastic caps from the wiper arm mounting ends.
3: Disconnect negative battery terminal
4: Remove the small retaining nup from each wiper arm, then the arms.
5: Remove the cowl screen by turning the eight plastic retainers 1/4 turn counterclockwise. Next remove the six screen retaining clips. If it's a 2000 or later, remove four bolts that secure the arm monting bar so that you can access the wiper motor.
6: Disconnect the electical connections and remove the four screws that secure the motor and mechanism to the cowl, and take out the motor-mechanism assembly.
7: The drive mechanism isn't serviceable, but the motor can be replaced. Remove the operating arm nut from the motor shaft, and remove the three screws that hold the motor to the drive mechanism.
8: Reinstall the wiper mechanism into the cowl and connect the electrical connectors. (Before reinstalling the wiper arms and blades, turn the ignition to the on position and turn the wiper switch to either LO or HI, then turn the wiper switch Off. This lets the motor cycle to the park position thus avoiding damage to the arms and drive mechanism).
9: Install the wiper pivot arms, ensuring the blade tips align with the park reference mark at the base of the windshield.
10: Ensure that your wiper blade is fully seated on the wiper arm before operation the wipers.
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.
We had the same problem and sometimes they wouldn't turn off. The intermittent wipers were random. We replaced the wiper motor. Be sure to get the motor with two balls on the wiper shaft (one for each wiper arm). If you can't find it, you'll have to change the part out on the new motor. Keep the wiper arms in the same location on removal, or it will jam and you'll have to start over.