2012 Jeep Grand Cherokee Owner Manual SRT - Page 541

MAINTAINING YOUR VEHICLE 539 If an examination of your engine compartment shows no • Make sure that the radiator and coolant recovery evidence of radiator or hose leaks, the vehicle may be bottle overflow hoses are not kinked or obstructed. safely driven. The vapor will soon dissipate. • Keep the front of the radiator clean. If your vehicle is equipped with air conditioning, keep the front of the • Do not overfill the coolant recovery bottle. condenser clean. • Check engine coolant (antifreeze) freeze point in the radiator and in the coolant recovery bottle. If engine • Do not change the thermostat for Summer or Winter operation. If replacement is ever necessary, install only coolant (antifreeze) needs to be added, contents of the correct type thermostat. Other designs may result coolant recovery bottle must also be protected against in unsatisfactory coolant performance, poor gas milefreezing. age, and increased emissions. • If frequent engine coolant (antifreeze) additions are required, or if the level in the coolant recovery bottle Brake System does not drop when the engine cools, the cooling Fluid Level Check - Brake Master Cylinder system should be pressure tested for leaks. The fluid level in the master cylinder should be checked • Maintain engine coolant (antifreeze) concentration at 50% HOAT engine coolant (antifreeze) (minimum) and distilled water for proper corrosion protection of your engine which contains aluminum components. whenever the vehicle is serviced, or immediately if the brake system warning light is on. If necessary, add fluid to bring level to the full mark on the side of the reservoir of the brake master cylinder. Be sure to clean the top of the master cylinder area before removing the cap. With 7