10 Most Common Causes of Vehicle Engine Overheating

When a vehicle’s engine is running, it creates a great amount of heat. If that heat was left to its own devices, it would destroy the engine. It has to be kept under a certain temperature. Not hot enough and it won’t run, too hot and it will blow its top. The latter is a far worse situation than the former and can result in damages that cost thousands to fix. Let us investigate what exactly can cause an engine to travel down this dark and destructive path.

car overheating

1. A sub-optimum level of Coolant: One of the worst offenders when it comes to causes of engine overheating is not having enough coolant. Coolant does what the name suggests it does. It cools the engine by absorbing the heat it makes. It keeps the balance just right. It is constantly flowing through the engine and radiator, running through the engine block as well.

2. Use of Incorrect Coolant: Different vehicle models and brands need coolant that has been specially formulated for the kind of engine in them. Using the wrong coolant is a huge risk. It often leads to overheating. Consult your car’s user manual if you are unsure.

3. Blocked Coolant Hose: Perhaps you have the right amount of coolant in your car. It won’t matter if its flow is obstructed by a block in a hose.

4. Damaged, Leading or Clogged Radiator: The radiator also does its part in helping to keep the engine cool. It does this by transferring heat from the engine and taking in air of a cooler temperature. Things that hinder its ability to do this include leaks, clogs, damage to parts within the radiator such as the fan, and so forth.

5. Other Cooling Parts Leaking: There are a few components that can leak within your average engine. This includes the water pump, the thermostat, radiator, gasket, or coolant hose.

6. Low Level of Engine Oil: There are a few things that cause the heat that engines produce. One factor is the friction created by the moving parts. This is dealt to by using engine oil. It lubricates those parts. Engine oil also helps the parts to wear down at a slower rate.

7. Water Pump Is Damaged: Coolant needs something to push it around the engine. It won’t move on its own. So, it is a good thing we have water pumps. It is a bad thing that these water pumps are prone to being damaged. But so is everything.

8. Broken Head Gasket: The engine block and cylinder head are held together using the head gasket. If the head gasket were to get damaged, the result can be oil and coolant mixing together.

9. Thermostat Not Working Properly: The thermostat allows hot coolant to leave the engine. The entire cooling system has to have a working thermostat in order to keep from overheating.

10. Engine Temperature Gauge Not Working: This is a dashboard warning system that tells you if something is going wrong with the engine’s temperature. If you don’t have it, you won’t be warned when something goes awry, allowing it to continue on that path to the point where it blows its top and you have to walk.

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Auckland, broken car removal | July 8, 2021 | John Smith