2010 Dodge Nitro Owner Manual - Page 419

418 MAINTAINING YOUR VEHICLE garden hose vertically down the face of the A/C con- Cooling System - Drain, Flush, and Refill If the engine coolant (antifreeze) is dirty and contains a denser (if equipped) or the back of the radiator core. considerable amount of sediment, clean and flush with Check the engine cooling system hoses for brittle rubber, reliable cooling system cleaner. Follow with a thorough cracking, tears, cuts, and tightness of the connection at rinsing to remove all deposits and chemicals. Properly the coolant recovery bottle and radiator. Inspect the dispose of the old engine coolant (antifreeze). entire system for leaks. Refer to "Maintenance Schedule" for further information. With the engine at normal operating temperature (but not running), check the cooling system pressure cap for Selection of Engine Coolant proper vacuum sealing by draining a small amount of Use only the manufacturer's recommended engine coolengine coolant (antifreeze) from the radiator drain cock. ant (antifreeze). Refer to "Fluids, Lubricants, and GenuIf the cap is sealing properly, the engine coolant (anti- ine Parts" in "Maintaining Your Vehicle" for further freeze) will begin to drain from the coolant recovery information. bottle. DO NOT REMOVE THE COOLANT PRESSURE CAP WHEN THE COOLING SYSTEM IS HOT.