Heater Core Replaced, Now Blows Cold Air
I had a leaking heater core replaced on my 99 Winnebago with a Freightliner XC chassis. No more leaks, but now the dash heater only blows cold air. I suspect my local truck repair guy (who knows hea...
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On the hose right behind that valve is looks like there is a cut-off valve. It would have sort of a slider arm that rotates 45-90 degrees and opens and closes the fluid access. Is that what I am seeing and if so, have you tried moving that to the opposite position?
