Question:

Hi all- Does anyone know where I could start troubleshooting a non-functioning front windshield sprayer on a 1992 Explorer? Yes, the resevoir is full. Absolutely nothing seems to happen when I press in the spray ‘button’ on the wiper control. This started happening immediately after I had my entire brake/suspension system replaced (but I never was able to bring it to the guys who did it, unfortunately). Thanks for any help! Matt Kelly

Response:

> Hi all- > Does anyone know where I could start troubleshooting a > non-functioning front > windshield sprayer on a 1992 Explorer? Yes, the resevoir is full. > Absolutely > nothing seems to happen when I press in the spray ‘button’ on the > wiper > control. This started happening immediately after I had my entire > brake/suspension system replaced (but I never was able to bring it > to the > guys who did it, unfortunately). > Thanks for any help! > Matt Kelly

The first thing I did when my Wife’s wouldn’t work on her ‘93 Mercury Sable was measure the voltage at the connector to the pump motor. The motor is about 3" long and 1 1/2" wide and is attached to the bottom of the washer resevoir. It has a two pin connector on it with wires coming off. That will tell you if it the pump or the switch (or possibly wiring). You might find the connector off before you even start, so that would make it easy. Anyways, since I was getting voltage, I knew that my switch was working. I pulled the reservoir out and hooked up a short piece of tubing directly to the pump and sprayed water about 15′. Well now that I knew the switch and the pump worked, the only thing left was a plug or leak in the tubing running to the jets. I blew out the tubing and cleaned the check valve and put it back together. It works fine now. Robert

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