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First, stop driving it. Next determine why it is overheating. Check the radiator cap, and replace if necessary. Check the cooling fan and water pump for proper operation. If they are both good, then do a complete cooling system service. Drain the coolant, and flush the system with the heater control on hot. Replace the thermostat and install a 60/40 mix of the proper coolant and distilled water. This will allow for the water left in the system and give you a 50/50 mix. Bleed all air out of the system, and clean the exterior of the radiator fins.

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19y ago

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