Chrysler 300M Problem Report
Chrysler 300M Poor Heat Output and/or Engine Overheating
Poor output from the heater and/or engine overheating can be caused by air left in the cooling system after the cooling system has been serviced. Our technicians tell us the proper coolant fill procedure should be used to prevent this problem from occurring.
a/c works fine, no warm air any suggestions. - Visitor
heating up engine water coming back threw resv drain hole - Visitor
low heat output and the engine overheats. Replaced water pump, radiator, fans and still over heats - tanya72
Car begins to overheat but will level out if I slow down and keep the heat on full blast. There hasn't been any leaking that I have found. Antifreeze is full and fresh. Problem had yet to be solved - Visitor
i did the head gasket , replace water pump,radiator,thermostat,coolan sensor and the anteefreze start boiling after 5 minutes - Visitor
purged cooling system to replace radiator. Since doing so engine overheats immediately upon starting. Temperature gauge on panel says in normal operating range. New gauge shows going over 200 degrees? Lower radiator hose doesnt get hot till 190 degrees. Replaced thermostat and original temp sensor. have not yet figured out what to do. - the group
engine overheating without notice. temp gauge does not reflect overheating. - marge6
Before refilling the coolant, make sure the air bleed valve is open. Follow the proper fill p...
This only happens when car sits over night. Longer car sits over night more tries it takes to s...
on our 2000 300 M ,,,How do I run a diagnosis check on my heat /ac system. I have not much heat...
Car will not warm up unless moving engine will be warm and the second you move warm air comes o...