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Windshield washer fluid not spraying

11K views 6 replies 6 participants last post by  HandyAndy  
#1 ·
Has anyone experienced a failure with the windshield washer spray system?

Thought it was out of fluid but the reservoir is full. I don't hear any pumps turning on when activating the system. Car is freshly out of warranty and I don't know where the pump is located or the fuse associated with the system. Any help?
 
#3 ·
The fuse box covers each have a map printed on their underside. There's one fuse box inside the car under the dashboard (left hand side in north america, don't know about other regions), and another under the hood/bonnet on the right side (when facing the car) near the front. There's a section in the Owners Manual with the same fuse maps that you could check first to know which fuse box to look in.
 
#7 ·
Had this problem on my '38 about a year ago. Reservoir full, fuse ok, spray had been getting down to just a small dribble, then it blocked up. Being keen on DIY I managed to work out how to get the spray nozzle item out, and took the pipe off. Clearly the problem was the nozzle had blocked up. In the old days you just poked a pin through the rotatable guide-sphere & aimed it where you wanted it. These days it's a one-piece (seemingly!) moulded plastic item, so I got out my tiny drill bits <1mm dia & started operations. Nurse - Dremel! Drilling it out from below felt very spongey! Something odd happening up inside.

Having drilled it out from above & below & re-assembled, it worked a few more days & blocked again. Car was due a service, so I reported both nozzles blocked & they got swapped free under w'ty.

I believe these incorporate a one-way valve, designed to stop the nozzles draining back into the tank under gravity. So you're guaranteed instant water the moment you ask for it, rather than waiting 2 seconds for the pump to prime itself & fill all the pipework as in the olden days. And I reckon it's this one-way valve, perhaps made of extra-flexible plastic, that's breaking down & gumming up the entire thing form the inside.

Next time, when car's out of w'ty, I'll buy a set from the dealer & swap them myself. New set's been fine, so 3 more years life left in them I hope...
 
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