2013 Jeep Patriot Owner's Manual - Page 463

MAINTAINING YOUR VEHICLE 461 long as the engine operating temperature is satisfactory, • Check the coolant freeze point in the radiator and in the the coolant bottle need only be checked once a month. coolant expansion bottle. If engine coolant (antifreeze) needs to be added, the contents of the coolant expansion When additional engine coolant (antifreeze) is needed to bottle must also be protected against freezing. maintain the proper level, it should be added to the • If frequent engine coolant (antifreeze) additions are coolant bottle. Do not overfill. required, the cooling system should be pressure tested Points To Remember for leaks. NOTE: When the vehicle is stopped after a few miles/ • Maintain engine coolant (antifreeze) concentration at kilometers of operation, you may observe vapor coming 50% OAT engine coolant (antifreeze) (minimum) and from the front of the engine compartment. This is nordistilled water for proper corrosion protection of your mally a result of moisture from rain, snow, or high engine which contains aluminum components. humidity accumulating on the radiator and being vaporized when the thermostat opens, allowing hot engine • Make sure that the coolant expansion bottle overflow hoses are not kinked or obstructed. coolant (antifreeze) to enter the radiator. If an examination of your engine compartment shows no • Keep the front of the radiator clean. If your vehicle is equipped with air conditioning, keep the front of the evidence of radiator or hose leaks, the vehicle may be condenser clean. safely driven. The vapor will soon dissipate. • Do not overfill the coolant expansion bottle. 7