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Old 11-19-2017, 03:33 PM
kwhizz kwhizz is offline
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Default 1966 Chevelle Washer Pump Issues

Need someone a lot smarter than me to solve this issue......LOL.....On my 66 Chevelle, I had a situation where as soon as I pushed the windshield washer button....the pump turned on and squirted fluid......then it wouldn't shut off and continued to pump as long as the wipers were on........shut the wipers off and the pump shut off also........wait a little while and turn the wipers on and the pump started squirting ..........Hummmm!!!!..........I order a new Delco replacement pump and the same exact situation.......So.....I disconnected the wire plug to the pump and they still squirted.............Anybody been down this road or have a solution ???????

Thanks in Advance

Ken
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Old 11-19-2017, 06:20 PM
bobm67 bobm67 is offline
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The washer button on the switch could be stuck in. As long as that button is pushed the wiper motor runs.
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Old 11-19-2017, 06:59 PM
kwhizz kwhizz is offline
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Originally Posted by bobm67 View Post
The washer button on the switch could be stuck in. As long as that button is pushed the wiper motor runs.

Thought of that .........so.....

I unplugged the wires to the pump and it still continued pumping.......


Ken
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Old 11-19-2017, 08:54 PM
bobm67 bobm67 is offline
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You still have to have power to the pump. Did you unplug the switch. The switch is a ground the power is on the motor all the time.
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Old 11-19-2017, 09:34 PM
kwhizz kwhizz is offline
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Originally Posted by bobm67 View Post
You still have to have power to the pump. Did you unplug the switch. The switch is a ground the power is on the motor all the time.

I unplugged the wires that energize the coil inside the pump assy..........The pump as I see it is driven by the cam from the wiper motor.......and I assume the coil mechanism engages the mechanical linkage for the pump operation......It seems that something is not right in that area......


Ken
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Old 11-20-2017, 12:49 AM
bobm67 bobm67 is offline
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Its been many years sense I had worked on one. The washer is driven by the x cam that turns and the white plastic slotted piece slides up and down. Maybe that piece is stuck.
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Old 11-20-2017, 01:19 AM
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Nope.....With the wipers on the cam is moving the pump arm up and down..........Gonna go crazy here soon ......LOL
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Old 11-20-2017, 12:35 PM
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WILMASBOYL78 WILMASBOYL78 is offline
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Default Chevelle ???

They work off the same switch that keeps turning my heated seats on and off

-wilma
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Old 11-20-2017, 09:30 PM
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they work off the same switch that keeps turning my heated seats on and off

-wilma


lol
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Old 11-20-2017, 09:32 PM
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Found out what it was.....nothing electrical.......Mechanical issue from poor quality parts.......Imagine that !!!!

Ken
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