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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Thanks for all the help. After much searching, I found a small shutoff valve on one of the heater hoses....hidden, of course. But, I now have wonderful heat
