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...
Forum Discussion
cbeierl wrote:
My Freightliner chassis has yellow shutoff valves for the cab heat water lines back near the engine. You might see if you have those and make sure that they are open.
Like said above or follow the heater hose up to the engine there may be a valve type tap that is shut off. The mechanic may of shut it off so the antifreeze would not leak out while changing the core and forgot to turn it back on.
