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99 Grand Prix-Where are the pin holes for wiper fluid to spray? Clogged


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pittguy578
Novice

Mar 31, 2011, 8:12 PM

Post #1 of 4 (709 views)
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99 Grand Prix-Where are the pin holes for wiper fluid to spray? Clogged Sign In

No windshield wiper fluid is shooting out. I am not sure if the pin holes are clogged but it is worth a try. I tried to find the holes to see if they are clogged, but it's a no go. Both sides are not working. Any assistance is appreciated.


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Mar 31, 2011, 8:31 PM

Post #2 of 4 (706 views)
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Re: 99 Grand Prix-Where are the pin holes for wiper fluid to spray? Clogged [In reply to] Sign In

Follow hoses if need be. various ways it's done. Most GMs seem to put them on the grates and possible to have only one.

When found try compressed air first pushing backwards. When found you can try a pin at the risk of the spout not covering properly over the glass. There's a thing called "florist" wire used to tie flower arrangements that is super fine wire. Any hobby place and most dept stores have it - not parts stores that I know of. One roll of that (cheap) will last ages and cool for some other things too when VERY fine wire would be handy.

You may need to replace the tip - can't say. If so, with it disconnected let it flow to flush it out,

T
_________________________________________
Long retired now


pittguy578
Novice

Mar 31, 2011, 8:46 PM

Post #3 of 4 (702 views)
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Re: 99 Grand Prix-Where are the pin holes for wiper fluid to spray? Clogged [In reply to] Sign In

I went to the car wash..I followed the hose to the end.
I put a pin in both sides...nothing is coming out.
I am not sure what happened. I had it during our first big snow here in PA. Then I didn't use it for a while..now I am trying to use it and it doesn't work. Could there be a clog elsewhere in the system?


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Mar 31, 2011, 8:54 PM

Post #4 of 4 (701 views)
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Re: 99 Grand Prix-Where are the pin holes for wiper fluid to spray? Clogged [In reply to] Sign In

Take a line off and see if it really pumps even if it makes noise like it is, it might not be. IMO - OK to use compressed air and better backwards towards reservoir first with the lines disconnected. Use just water first and test. Universal pumps are tons cheaper and work just as well as OE plus use the same wires if needed,

T
_________________________________________
Long retired now




99 Grand Prix-Where are the pin holes for wiper fluid to spray? Clogged


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