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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?

In: Mazda Trucks [Edit categories]

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Ok, I got the answer to this question. It seems that there is not a heater control valve in the heater hose line.

First answer by Poppkk. Last edit by Poppkk. Contributor trust: 37 [recommend contributor ]. Question popularity: 14 [recommend question].

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