2014 Jeep Grand Cherokee Owner Manual - Page 602

600 MAINTAINING YOUR VEHICLE • 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. • If frequent engine coolant (antifreeze) additions are required, the cooling system should be pressure tested Brake System for leaks. In order to assure brake system performance, all brake • Maintain engine coolant (antifreeze) concentration at a system components should be inspected periodically. minimum of 50% OAT coolant (conforming to MS- Refer to the "Maintenance Schedule" for the proper 12106) and distilled water for proper corrosion protec- maintenance intervals. tion of your engine which contains aluminum components. WARNING! • Make sure that the coolant expansion bottle overflow hoses are not kinked or obstructed. • Keep the front of the radiator clean. If your vehicle is equipped with air conditioning, keep the front of the condenser clean. Riding the brakes can lead to brake failure and possibly a collision. Driving with your foot resting or riding on the brake pedal can result in abnormally high brake temperatures, excessive lining wear, and possible brake damage. You would not have your full braking capacity in an emergency.