2012 Dodge Grand Caravan Owner Manual - Page 569

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