2014 Chrysler 300 Owner Manual - Page 546

544 MAINTAINING YOUR VEHICLE The radiator normally remains completely full, so there is no need to remove the radiator cap unless checking for engine coolant (antifreeze) freeze point or replacing coolant. Advise your service attendant of this. As long as the engine operating temperature is satisfactory, the coolant bottle need only be checked once a month. humidity accumulating on the radiator and being vaporized when the thermostat opens, allowing hot engine coolant (antifreeze) to enter the radiator. If an examination of your engine compartment shows no evidence of radiator or hose leaks, the vehicle may be safely driven. The vapor will soon dissipate. When additional engine coolant (antifreeze) is needed to • Do not overfill the coolant expansion bottle. maintain the proper level, only OAT coolant that meets the requirements of Chrysler Material Standard MS- • Check the coolant freeze point in the radiator and in the coolant expansion bottle. If engine coolant (antifreeze) 12106 should be added to the coolant bottle. Do not needs to be added, the contents of the coolant expansion overfill. bottle must also be protected against freezing. Points To Remember • If frequent engine coolant (antifreeze) additions are NOTE: When the vehicle is stopped after a few miles/ required, the cooling system should be pressure tested kilometers of operation, you may observe vapor coming for leaks. from the front of the engine compartment. This is normally a result of moisture from rain, snow, or high