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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THAT is your vacumm pump. That open hose is normal. You should be able to remove the hose that leaves and goes to the reservoir and the pump should RUN. If it does not, either the fuse is blown or the pump is bad. Doug
