Sign up for our Newsletter! Mobile Newsletter banner close. Mobile Newsletter chat close. Mobile Newsletter chat dots. Mobile Newsletter chat avatar. Mobile Newsletter chat subscribe. Prev NEXT. Finally, we will provide a step-by-step guide explaining how to check a car thermostat.
Table of Contents Show. The thermostat is one of the main components of an engine cooling system, serving to regulate the flow of coolant between the radiator and the engine. While it may be small in size fits in the palm of your hand , the job it performs is crucial for your engine to stay within a safe operating temperature.
Too much heat for too long, and you can end up with a cracked engine block or blown head gasket basically the two worst-case scenarios. As coolant flows through the engine, it picks up excess heat. Once it leaves the engine, it goes to the radiator, where that excess heat is removed. It then makes a few more stops along its way through the cooling system and ends up back in the engine.
When the coolant in the engine gets too hot, this valve opens, letting it pass to the radiator where it will cool down. If it is not heated, the thermostat stays closed, allowing the coolant to continue circulating inside the block. How does the thermostat know when to open or close? It features a unique type of wax that acts as an expanding agent. The cooling system serves three important functions. First, it removes excess heat from the engine; second, it maintains the engine operating temperature where it works most efficiently; and finally, it brings the engine up to the right operating temperature as quickly as possible.
The cooling system is composed of six main parts—an engine, a radiator, a water pump, a cooling fan, hoses, and a thermostat. During the combustion process, some of the fuel energy is converted into heat. This heat is transferred to the coolant being circulated through the engine by the water pump. Hoses carry the hot coolant to the radiator, where the heat is transferred to air that is pulled past the engine by the cooling fan.
How does the thermostat in a car's cooling system work? Updated: Mar 30, Signs include very high temperature readings, an overheating engine, leaking coolant and erratic changes in temperature. What should I expect to pay to replace my car thermostat? It's safe to assume that this estimate will vary from car to car. What will happen if I drive my car without a thermostat? A car without a thermostat will not let the engine reach optimal operating temperature.
It may also result in the heater giving off cold air. Cite This!
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