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Check your antifreeze level in the radiator first.

There is usually a water pump behind the fan which pumps antifreeze/water as the engine turns, through little water jackets around the engine. This antifreeze/water solution absorbs the heat and is sent to the radiator to cool down before returning to the engine to absorb more heat and repeat the process. This process is regulated by a thermostat in the engine which allows the antifreeze/water to return to the radiator for cooling once a certain temperature is reached.

It then makes sense that if the following conditions exist the engine will overheat.

1. Antifreeze/water level low

2. Thermostat not working preventing antifreeze/water from returning to radiator to cool down.

3. Fan belt or electric fan is is broken not allowing the fan to cool the radiator coil which in turn cools the Antifreeze/water.

4. an air lock exists in the system preventing thermostat from opening. To remove an air lock run the engine with the radiator cap off for 20 minutes ensuring that you keep the level of antifreeze/water high. Even when you think all the air is out which you will see bubbling leave it the full twenty minutes.

**Never remove the radiator cap unless the engine is cold or running. Removing the radiator cap from a hot engine after turning it off can result in extremely hot liquid spraying out.**

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15y ago

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