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Washer pump not working

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Old Sep 22, 2021 | 05:50 PM
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Default Washer pump not working

When I push in the washer switch the relay behind the passenger seat is making a grinding (shorted out possibly) sound. No washer fluid pumping. Washer fluid tank has fluid in it. Wipers work correctly in all modes otherwise. Should I replace the relay or is it common that it makes that sound? This is my first Corvette (1980) and have only owned it a couple months.

Last edited by AdamR4343; Oct 6, 2021 at 04:19 PM. Reason: Additional information
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Old Sep 22, 2021 | 07:33 PM
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Make sure the nozzles aren’t plugged up first. A lot of times the washer fluid evaporates and dries up plugging the nozzles. Disconnect the hose at the pump and see if fluid comes out.
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Old Sep 23, 2021 | 08:20 AM
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You should open up the pump and maybe rebuild or replace it. With no fluid in it for extended period, the parts dry out and the valves cease to function. You may be able to free things up if you disassemble, inspect, and lube stuff with a wipe of Vasoline. Then try it again.

If you get it working, you need to keep fluid in it and use it occasionally (whenever you wash the car or it gets in the rain). That's the only way to keep it from drying out.
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Old Sep 23, 2021 | 09:43 AM
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Start by taking the plastic cover off the mechanism and watch it. You will be able to see what's not working. It could be electrical, mechanical, or water tubes. The washer pump isn't too hard to rebuild.
Yes,,, the relay would be a good place to start.

https://www.ebay.com/itm/382745158076

Last edited by kodpkd; Sep 23, 2021 at 01:01 PM.
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