HOW2...fix/replace windshield washer sprayer on OOBS


Posted by Ben on December 12, 04 at 12:51:24:

My 1980 Silverado's windshield washer jets have been giving me problems for years. Replaced them from a junk yard donor years ago (twice) and they've gone bad this summer, again. They corrode and plug up. Kept a length of wire under the hood to poke it clear while on the road.

Finally had it this morning and just finished replacing them. Did for less than $5 bucks too.

Drip system has some neat spray heads. 100% plastic and comes in vareity of patterns, flow rates, etc. Had some 180* spray heads, but think 90* would be better as it would use less fluid.

Used the old spray tubes (metal) as the base. Tie wraped the new plastic spray head to them and bent the old metal tubes down and the +90* up. Fine tuned to spray into the top 90% of the wiper area and is about mid section when moving at around 60-70 mph.

NOTE: the old washer fluid pump went south over a decade ago and didn't want to replace the whole thing, cam and all. I tie wraped an electrical motor and plumbed the hoses to it. It's a replacement electric (12VDC) found on any of the Help racks. About $7 bucks. Then spliced the coil wires of a relay to the wires around the old wiper motor/washer assembly. That way I can turn them on and off with the wiper switch/button and not have to live with the GM predetermined timer & squirter. The relay contacts connect the new pump motor to +12VDC.

Now my windshield gets a spray pattern very much like the NBS trucks.

Only one down side. Sweetie thinks the "stubby" drip spray head sticks out of the hood louvers a bit to much. She's right, but I'm not going to mess with them just yet... She thinks it looks "nerdie", which it does...if you look closely. Easy to fix. Cut the spray head extension a bit, push/rebend the old nozzel down farther, etc.

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