Chrysler 300M Problem Report
Chrysler 300M Make Sure Air Bleed Valve is Open Before Refilling Coolant
Before refilling the coolant, make sure the air bleed valve is open. Follow the proper fill procedure—it will prevent problems with overheating, low heat output from the heater, and possible coolant bottle failure.
car overheats when going over 10 miles.replaced cap,thermostat and pump - Visitor
Added coolant and it blew out reservoir changed thermostat and car over heats now - david36
Poor output from the heater and/or engine overheating can be caused by air left in the cooling...
MY CAR IS RUNNING HOT AND WE HAVE DID EVERYTHING INCLUDING CHANGing the radiator and thermostat...
do you close it after you fill it?