Question about 2001 Pontiac Grand Prix
When I try to use the wash fluid it won't work, but the windshield wiper's still work
1. blown fuse;
2. stuck-up/burned wash pump motor; and/or
3. blocked wash hose or its nozzle.
For the fuse, a visual inspection, for the motor, a jumper wire to +12VDC battery terminal should make it run and help you determine if the motor is defective; for the hose, run the pump and disconnect the hose, there should be a pressurized water coming out of the pump. Clean the hose and the splitter/coupler. On the nozzle, you can use a small safety pin to clean the small holes. Pls be careful not to enlarge the openings as this would change the angle of the spray. Often nozzles get clogged with dirt, grime & dirt or even car wax
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards.
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Posted on Jun 09, 2008
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Posted on Jan 02, 2017
Try standing outside of the vehicle and having someone press the "juice" button and listen to see if the motor is trying to spray. If it is....check to to see if you have contaminents in the windshield wiper fluid reservoir.
Posted on Mar 11, 2009
Rear washer may have it's own reservoir . Can you hear a pump humming when you activate the washer? Look in the under flooor compartment
Posted on Mar 22, 2009
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