Explorer, Sport Trac, Mountaineer & Aviator1991-1994, 1995-2001, 2002-2005, 2006-2010 Ford Explorer
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My windshield washer fluid has stopped coming out of the cleaning nozzles on the rear, driver's and passenger sides. I can hear the pump pumping and have disconnected the hose from the driver's side and ran the windshield cleaner system. Cleaning fluid came out of the hose easily. Then the hose for the rear was tested. Fluid came out of the hose.
The reservoir was emptied and checked to see if there was dirt that might be clogging the intake. It was clean.
The nozzles where the cleaning fluid comes out were cleaned with a small wire from both ends. Also a bottle of compressed air was used and air was felt coming through easily.
I am thinking the pump might have lost enough pressure that no fluid can be pushed hard enough to come through the very end before it gets sprayed on the windshield.
I forgot to add that all three (driver's, passenger's, and rear) nozzles stopped working at the same time. Also the pump went out slowly. Less and less fluid seemed to come out each press and was sprayed out on the glass lower and lower.
I changed the pump which was easy enough. There are no screws holding it in place. It is just connected by rubber grommets. So if anyone wants to do this just disconnect the wire and you can pull the pump off by hand. Well maybe a little wd-40 might make it easier to pull off and don't forget to drain the reservoir before you pull off the pump.
The new pump was installed and tested. There was some cleaning fluid coming out of the nozzles but they looked like they were still clogged somewhat. So the plastic covers around the wipers were removed. This wasn't hard at all. One screw in the middle between the wipers, then pull the covers up. They are held in place by fasteners. Pull hard and they should come up easily without any damage.
The nozzles were removed then soaked in 1/2 water and 1/2 cleaning solution for about 5 minutes. Then I took 2 bread ties, the plastic ones not the paper ones since the paper ones will dissolve and get stuck in the nozzle. The bread ties were inserted in the hole where the water comes out and twisted and removed. Then a can of compressed air was used to blow the nozzle out. A few times of this procedure, bread tie then a blast of air and some gunk came flying out of the nozzle head. I guess a pipe cleaner could be used as well if they make one small enough.
I put the nozzles back in and tested it again. Worked great though a slight adjustment was made to keep the water from shooting over the windshield entirely.
So it looked like a couple of clogged nozzles wore out the pump.
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