2010 Jeep Patriot Owner's Manual - Page 418

MAINTAINING YOUR VEHICLE 417 • Do not idle the engine with any spark plug wires disconnected or removed, such as when diagnostic Coolant Checks testing, or for prolonged periods during very rough Check engine coolant (antifreeze) protection every 12 months (before the onset of freezing weather, where idle or malfunctioning operating conditions. applicable). If the engine coolant (antifreeze) is dirty or Cooling System rusty in appearance, the system should be drained, flushed and refilled with fresh engine coolant (antiWARNING! freeze). Check the front of the A/C condenser for any • When working near the radiator cooling fan, dis- accumulation of bugs, leaves, etc. If dirty, clean by gently connect the fan motor lead or turn the ignition spraying water from a garden hose vertically down the switch to the OFF position. The fan is temperature face of the condenser. controlled and can start at any time the ignition switch is in the ON position. • You or others can be badly burned by hot coolant or steam from your radiator. If you see or hear steam coming from under the hood, do not open the hood until the radiator has had time to cool. Never try to open a cooling system pressure cap when the radiator is hot. Check the coolant recovery bottle tubing for brittle rubber, cracking, tears, cuts and tightness of the connection at the bottle and radiator. Inspect the entire system for leaks. 7