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Old 11-14-2003, 02:58 PM   #4
BillG_69gmc
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Join Date: Feb 2003
Location: Georgia
Posts: 9
Interesting...never thought that one port would be plugged... The images help alot! I am aware that there are also two different water valves... The one I purchased is normally closed, but would be open with vacuum applied. If that works contrary to my needs, I guess I have the wrong valve... it should be right though... I think later year trucks had thier vacuum states changed from one to another.

I did not know the wate valve tied into the vent door valve. The truck had a mechanical replacement valve in place.

Any idea on whether the direction the valve faces matters?

thanks a bunch!

billg
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