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Causes of Engine Overheating

The cooling system is one of the most complex systems in your vehicle. The radiator, water pump, hoses, head gasket, and thermostat housing are all components that work together to keep your engine cool.

When your car overheats, it can be a serious problem. Depending on the cause, it can damage your engine and head, which will cost you big money to repair. get more info visit перегревается двигатель.

Cooling System

The cooling system is responsible for keeping your engine at a safe temperature. This is important because heat from the engine can damage internal components such as cylinder head gaskets and engine blocks.

The coolant in your vehicle’s engine is a mixture of antifreeze and water. The antifreeze is designed to withstand temperatures as low as tens of degrees below freezing.

In addition to the antifreeze, your car’s cooling system also contains a thermostat. This thermostat is designed to keep the coolant flowing when the engine is running and shuts it off when the system is cold.

A leak in the radiator hoses or a faulty radiator fan can cause an overheating problem. Check the hoses and radiator for signs of leaks, such as puddles of coolant underneath the vehicle or white exhaust smoke.

If you see any leaks, or your engine overheats when it is not running, take your vehicle into the shop. Your mechanic will be able to diagnose the issue and fix it.

Thermostat

One of the most common causes of engine overheating is a malfunctioning thermostat. It regulates the amount of coolant that passes through the radiator system.

It closes off the flow of coolant when your engine is just starting and opens after it gets hot. This helps the coolant circulate and pull heat away from the engine, keeping it at a comfortable operating temperature.

A faulty thermostat can lead to your engine overheating even when the outside temperature isn’t too high. If the engine is overheating and you don’t know why, it might be time for a replacement thermostat.

Besides overheating, other tell-tale signs of a faulty thermostat include strange noises like rumbling, boiling and knocking coming from the radiator. You may also notice liquid dripping under your car.

Cooling Fan

Your vehicle's cooling fan is designed to help the radiator draw cool air from the engine. It's usually an electric fan that turns on and off depending on the vehicle's engine temperature.

This system is very important, especially on a hot day, because it keeps the radiator from overheating and damaging your car's engine. If your cooling fan fails, it can result in a big repair bill.

You should also check your cooling fan's wiring, as it may be damaged or corroded. To check the wiring, unplug the positive and negative wires and use a voltmeter to verify that there is enough current.

Another common reason for an overheating fan is a blown circuit fuse. The fuse is supposed to protect the rest of the electrical components in your vehicle from damage in case of a surge or failure.

Radiator

The radiator is one of the most important parts of your engine’s cooling system. It disperses a mix of antifreeze and water through its fins to release some heat while taking in cool air, which it then sends to the rest of your engine.

It also has a pressure cap that helps seal off your cooling system to maintain the right level of pressure. This helps keep your coolant from boiling, which can lead to damage.

There are a few reasons why your radiator may be overheating, including leaks, low coolant levels, or sludge buildup.

If a leak is found, it is crucial to fix the problem before your engine overheats. A leaking hose will disrupt the flow of coolant from your water pump, which can lead to overheating.

Low coolant levels can also lead to overheating, because the fluid isn’t able to absorb excess heat as well. If you aren’t sure how to check your coolant level, take your car to a mechanic for a pressure test.