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A washer pump in a car's windshield wiping system moves washer fluid from a reservoir through hoses. The motorized pump pressurizes the fluid to allow it to be squirted from the hoses through nozzles onto the front and/or rear windshield of a car. The washer fluid helps windshield wipers get rid of rain, dirt, or other objects that can interfere with a driver's visibility. If your washer fluid is not being sent out when activated, the solution could simply be filling the washer system's reservoir with more fluid or cleaning the nozzles and hoses. In more severe cases, the washer pump may need to be replaced. Here are steps to troubleshoot a windshield-washer pump.
If you want to bypass it, I suggest you run a couple of wires from the battery, via a switch, directly to the washer motor. To verify what the dealer has told you, take it to another dealer or independent repair shop and get them to diagnose the problem.
Remove the windshield washer reservoir and give it a good cleaning with a mixture of 1 part bleach and 3 parts water. You may be able to clean it without removing the reservoir by flushing it throughly and the cleaning it while still on the vehicle with the bleach mix. After it is throughly cleaned put a bleach mix in the reservoir and disconnect the hoses from the spray nozzles and run the washer until the hoses are clean. Use a needle to clean out the nozzles, and the connect the hoses and run the washer until the nozzles are clear. Remove the bleach mix and then fill the reservoir with a commercial windshield washer fluid. I recommend Rain X.
You can use any windshield washer fluid. I highly recommend Rain-X Bug Remover Windshield Washer Fluid. It works just as advertised and keeps bugs from sticking to the windshield. You can buy it at almost any auto parts store, WalMart, K-Mart, etc.
Check power at the pump motors. You may not see a fuse because some run off a circuit breaker. If all else fails, a bit "backyard" but you likely could break out the washer pumps from the system and make a simple push button on the dash to operate them.
The fuse panel is under the instrument panel to the left of the steering column. Lift the handle to unlatch the panel and pull it down. The windshield wiper/washer system uses a circuit breaker in position #2 in the fuse panel. If your washer is working the circuit breaker is OK.
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