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
There is likely air in the system due to the long lines and the placement of the heater core. First check the coolant level and make sure it is full.
