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Water Heater Valve

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Old Jul 15, 2003 | 11:49 PM
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From: Chester Virginia
Default Water Heater Valve

Just installed a GM vacuum operated valve in the water hose supply to the heater core. Trying to prevent hot water flowing to the heater core while the AC is on. While the engine is running and after it is turned off, water drips out of the bottom side of the diaphragm housing, there are several small holes in the molded piece. The valve is installed so that the water comes into the higher port and the water flow matches the arrow on the valve.
Have I installed this valve backwards or is the valve bad?
Roger
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Old Jul 16, 2003 | 12:09 AM
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Default Re: Water Heater Valve (RMS73)

Sounds like the diaphragm/seal is punctured or otherwise defective. Can you test it out of the car?
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Old Jul 16, 2003 | 08:33 AM
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Default Re: Water Heater Valve (Diode)

Tested in my garage sink, it still leaked.

Roger
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