How Do You Repair A Plugged Windshield Wiper Line?
A clogged or misaligned windshield wiper hose or line will prevent the washer fluid from hitting the windshield properly. Most passenger cars use a three-sixteenths-inch rubber line to plumb the windshield washer fluid from the pump to the nozzles. A series of T and inline couplings connect the sections of the line from the left to the right and, in some cases, to the rear windshield wiper system. Step 1 Check the operation of the windshield washer pump first. Even a clogged line or nozzle will not prevent the pump from trying to purge fluid through the system. An audible hum or groan will be heard near the pump located at the bottom of the reservoir once the pump is activated by the washer button. With the window down—or a helper activating the windshield washer button from inside the vehicle—turn the button on and listen to make sure the pump is working. If not, check the fuse panel. If the fuses are OK, you may have a short in the system or need a new pump. Step 2 Inspect the no
