Tip & How-To about Buick LeSabre
When one windshield wiper isn't working like it should it may be a loose nut. The nut is located at the base of the wiper arm. There may a plastic tab covering the top of the wiper joint. You should see the nut when the tab's removed.
Check the nut for tightness. If it's loose the wiper pattern will probably need readjusting. Reset the arm by loosening the nut to where you'll be able to move the arm. Set the arm where you believe the it should be. Tighten the nut and run the wipers. If the wipers are working well with each other, and you're satisfied with the windshield coverage finish tightening the nut. Replace the plastic tab.
If the nut comes loose repeatedly you may want to apply a small amount of threadlock to the threads before readjusting the wioer and tightening. Use only a small amount of threadlock.
Posted by Kenneth... on
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.
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