Dash heat only blows cool air
I just bought a 1998 Newmar Mountain Aire with a Chevy 454. I turned on the dash heat, and it blows cool air. The air conditioning works great. The blower also works fine. Just no dash heat. Engi...
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All good ideas above..Do them step by step to isolate the problem.. After running the engine, will the water temp gauge move up from "cold".. I am thinking a bad thermostat, stuck open.
Do all the above then come back for more ideas good luck
Do all the above then come back for more ideas good luck
