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Old 05-19-2008, 12:44 AM   #12
BMWF18
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Join Date: Feb 2007
Location: LA
Posts: 67
My Ride: Truck
Easy way to check you water valves is to turn on your a/c and grab the hoses going to either side of it. If they are both hot, and your heater is not on...It failed open. If the problem persist, you might have a leak on your evaporator or some other component.
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