rear heater control valve
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rear heater control valve
My rear heat is not working.I can feel both heater hoses underneat just before they attach to rear core and where the valve is located. The hose with heater control valve is cold both sides of valve other hose hot. I assume core stopped up. But I was thinking shouldnt the heater control valve hose be hot or not? Not sure which way water passes through. thanks terry
Former ******
Joined: Nov 2004
Posts: 4,901
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From: Salt Lake City, Utah
That valve can go bad. I believe it is vacuum controlled, so make sure the vacuum line leading to it is in good condition and is connected. A vacuum leak elsewhere in the system could also interfere with normal operation.
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