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Causes of Engine Overheating

by Admin on July 20, 2011

Hate the extra heat? So does your engine. If you’ve recently noticed that the engine temp gauge is creeping higher, it’s time to see your mechanic.

Why Your Engine Overheats

Countless mechanical problems can lead to an overheated engine. Anything that impacts the engine’s ability to cool contributes to increased engine temperatures.

  • Low coolant levels or a coolant leak
  • Built up deposits in water jackets
  • Leaky water pump
  • Plugged or dirty radiator
  • Broken electric cooling fan
  • Collapsed lower radiator hose
  • Defective radiator cap

Your mechanic will need to inspect your car to determine the cause of the problem.

Results of an Overheated Engine

It’s important to get your car repaired as soon as possible if the engine is overheating. Letting it go can cause serious damage to your car’s engine and, sometimes, damage to other systems in your automobile

The most common necessary repair is a new thermostat. Overheating can damage the thermostat, so your mechanic will test it and replace it if necessary. While the thermostat can get damaged relatively quickly, other damage is more likely as a vehicle continues to overheat.

  • As the engine begins to detonate, the pistons, rings, and rod bearings can be damaged from the excess heat.
  • Pre-ignition causes hot spots to develop in the combustion chamber. The resulting erratic combustion can even burn holes right through the top of pistons.
  • The OTC cam may seize or break.
  • Head gaskets may blow as aluminum swells and places extra pressure on the gasket.
  • If the coolant gets hot enough to boil, the radiator and the connected hoses can break under pressure.

For a fast, accurate diagnosis of engine overheating, bring your car to Sandalwood Car Care. We’re proud to deliver exceptional auto care to the Jacksonville community.

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