2013 Chrysler 300 Owner Manual SRT - Page 500

498 MAINTAINING YOUR VEHICLE • If frequent engine coolant (antifreeze) additions are required, the cooling system should be pressure tested NOTE: When the vehicle is stopped after a few miles/ for leaks. kilometers of operation, you may observe vapor coming from the front of the engine compartment. This is nor- • Maintain engine coolant (antifreeze) concentration at a minimum of 50% OAT coolant (conforming to MS-12106) 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 coolant (antifreeze) to enter the radiator. • Make sure that the coolant expansion bottle overflow Points To Remember 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 safely driven. The vapor will soon dissipate. equipped with air conditioning, keep the front of the condenser clean. • Do not overfill the coolant expansion bottle. • Check the coolant freeze point in the radiator and in the • Do not change the thermostat for Summer or Winter coolant expansion bottle. If engine coolant (antifreeze) operation. If replacement is ever necessary, install ONLY needs to be added, the contents of the coolant expansion the correct type thermostat. Other designs may result in bottle must also be protected against freezing. unsatisfactory engine coolant (antifreeze) performance, poor gas mileage, and increased emissions.