Heater Replacement / Cooltant
I have a diesel Ford E350 which I'm converting to RV camper. I removed the heater in the bus which is heated with cooltant. I disconnected the supply and return lines which I assume are a loop off the engine cooltant system.
Now that I have the heater reinstalled and connected, how do I purge the air out the cooltant system and add additional cooltant for the new heater. Will it self purge once I start the engine? and do I add cooltant at the cooltant reservoir?
Any help/advise will be appreciated.
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