Heater Cores and Blower Fans
Mazda Trucks
Ford Expedition XLT
Ford Ranger XL

What does the heater control valve do and can it prevent water flow to the heater core if it has gone bad on a 1994 B-2300?

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Wiki User
2005-12-05 06:28:55

Ok, I got the answer to this question. It seems that there is

not a heater control valve in the heater hose line.


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