What is a thermostat? + Cause of thermostat failure in the car

What is a thermostat? + Cause of thermostat failure in the car

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What is a thermostat?

A thermostat is a part that is placed between the engine and the radiator and its function will be to control the engine temperature. The thermostat must be able to keep the engine temperature at a standard and balanced level. The best temperature set for car engine operation is 85 degrees. The engine temperature must be at this specific temperature. If the temperature is low, the oil concentration will rise and as a result Lubrication of engine parts is not done properly. Also, if the temperature is higher than the standard, the oil becomes too dilute and loses its properties.

What is a thermostat?

On cold days, the thermostat helps the car engine a lot and heats it up as quickly as possible, as well as preventing engine wear.

You may be wondering how the thermostat controls the temperature of the engine and prevents it from cooling or heating up. In response, we must say that this is done automatically. When the car engine is cold, this mechanical part keeps the water inlet to the radiator closed. The water travels in a closed path around the engine to reach the temperature defined in the thermostat. When the water reaches the right temperature, the inlet thermostat opens and, after the temperature drops, repeat the switching on and off to keep the engine temperature normal.

The car thermostat is about 5 cm and includes the following components:

Thermostat body – Bypass duct – Steel piston – Rubber diaphragm – Return spring – Wax ball – Thermostat valve

When the car heater is on, the thermostat directs a stream of hot water to the heater to use its heat to raise the temperature of the air conditioning system. The temperature sensitivity of the wax sac is determined by the manufacturer based on the optimum temperature of the engine, so the temperature setting cannot be changed or reset. The degree of sensitivity is usually between 80 and 90 degrees Celsius.

The car thermostat temperature is defined in the factory. You must replace the car thermostat when the specified temperature drops. The car thermostat is a consumable part and cannot be repaired. Before buying it, be sure to pay attention to the temperature specified by the car manufacturer. You can get help from a car or repair shop manual for this.

If the thermostat fails to regulate the engine temperature and the temperature rises too high, it will cause the car to boil, burn the cylinder head gasket and cause serious damage to the car engine. Rising temperatures are alerted when the amp and check warning lights come on, and it is best to take it seriously to keep the car engine healthy. Avoid tampering with the car thermostat and disassembling it completely, as it will cause a lot of damage to the car engine and parts.

What are the symptoms of a thermostat failure?
  • Go up the amp and reach the red area
    Leakage of liquids from car radiators
    Car welding
    Fluctuation in water amps
    Reduce engine temperature
    Increase fuel consumption

Car thermostats include electromechanical, electronic, lantern, and wax thermostats.

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