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| Have you ever pressed your windshield washer button, heard the washer
pump engage but the washers didn't work? You check to make sure the
reservoir is full, the lines are all connected and not broken and the
nozzles are clear but still no washer fluid is pumped through the
nozzles. The problem is usually the washer pump nozzle valve.This is
the valve that is attached to the washer pump. This valve receives the
water from the reservoir and then the pump forces the water out through
the nozzle valves. The rubber diaphragms in the valve usually dry up
causing the valve assembly not to operate. As with any project, you
will need the right parts and Zip Products,
8067 Fast Lane, Mechanicsville, VA 23111, 800-962-9632, will be able to
supply all of your needs. You can usually repair this problem inside of
2 hours and for approximately $11 or less. This valve package fits
Corvettes from 63 to 74 plus some of the earlier and later Corvettes.
Follow along as we repair our washer valve on our project 64 Corvette
and see just how simple it is to make your washers work like new again. |
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01: Here is our wiper motor with all of the items included with the WW-206
Washer Pump Valve Kit. We removed our wiper motor from the car so that
we could show the repair more clearly.You do not have to remove the
wiper motor for this repair. Consult your shop manual to see how to
remove your particular wiper motor washer assembly. |
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02: Remove your washer pump assembly. Now is a good time to check the washer pump gears and also clean and lube them.
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03: Remove the washer pump nozzle valve assembly. |
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04: After you have removed the nozzle assembly, check the pump diaphragm.
If it is cracked or torn, you will have to replace it before you go on.
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05: Here you can see the old nozzle valve assembly on the left
and the new one on the right. The one difference is that one is light colored and the new one is black.
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06: Choose the nozzle assembly that is the same diameter as your original.
Two different ones are included with each valve package to accommodate
the two different hose sizes. The one difference is that the new
nozzles do not come directly out of the housing but this shouldn't make
any difference in most applications. |
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07: Install the o-rings on the valve assembly. Then match the nozzle up to the valve assembly. |
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08: Install the new valve assembly and nozzle onto the washer
pump. Then install the pump back onto the motor. |
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09: Here it is assembled with the new valve package. Notice the difference
between the old and new nozzles. As you can see, it will not make any
difference in the installation. When you are ready to try your washer,
it is a good idea to prime the valve and pump assembly first. Do this
by forcing water through the reservoir hose into the reservoir side of
the new valve assembly. This way the pump will not be trying to pump
the diaphragm while it is dry. |
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WASHER PUMP:
HOW TO REPLACE THE CORVETTE WASHER PUMP VALVE
SOURCE:
Zip Products, Inc.
8067 Fast Lane
Mechanicsville, VA 23111
(800) 962-9632
PARTS LIST:
The Author would like to thank Richard Gaudio of Greg Donahue Collector Car Restorations, Inc. for his
assistance with this article.
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