2010 Jeep Liberty Owner's Manual - Page 448

MAINTAINING YOUR VEHICLE 447 the engine operating temperature is satisfactory, the • Check coolant freeze point in the radiator and in the coolant bottle need only be checked once a month. coolant recovery bottle. If engine coolant (antifreeze) needs to be added, contents of coolant recovery bottle When additional engine coolant (antifreeze) is needed to 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, or if the level in the coolant recovery bottle Points to Remember does not drop when the engine cools, the cooling NOTE: When the vehicle is stopped after a few miles/ system should be pressure tested for leaks. kilometers of operation, you may observe vapor coming • Maintain engine coolant (antifreeze) concentration at from the front of the engine compartment. This is nor50% HOAT engine coolant (antifreeze) (minimum) mally a result of moisture from rain, snow, or high and distilled water for proper corrosion protection of humidity accumulating on the radiator and being vaporyour engine, which contains aluminum components. ized when the thermostat opens, allowing hot engine • Make sure that the radiator and coolant recovery coolant (antifreeze) to enter the radiator. bottle hoses are not kinked or obstructed. If an examination of your engine compartment shows no evidence of radiator or hose leaks, the vehicle may be • Keep the front of the radiator clean. If your vehicle is equipped with air conditioning, keep the front of the safely driven. The vapor will soon dissipate. condenser clean. • Do not overfill the coolant bottle. 7