2011 Jeep Wrangler Owner Manual - Page 527

MAINTAINING YOUR VEHICLE 525 engine coolant (antifreeze) needs to be added, the • Do not change the thermostat for Summer or Winter contents of the coolant recovery bottle must also be operation. If replacement is ever necessary, install protected against freezing. ONLY the correct type thermostat. Other designs may result in unsatisfactory cooling performance, poor gas • If frequent engine coolant (antifreeze) additions are mileage, and increased emissions. required, or if the level in the recovery bottle does not drop when the engine cools, the cooling system should Brake System In order to assure brake system performance, all brake be pressure-tested for leaks. system components should be inspected periodically. • Maintain the engine coolant (antifreeze) concentration Refer to the "Maintenance Schedule" for the proper at 50% HOAT engine coolant (antifreeze) (minimum) maintenance intervals. and distilled water for proper corrosion protection of your engine which contains aluminum components. • Make sure that the radiator and coolant recovery bottle 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. WARNING! 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. 7