Service Overview

Thermostat is a small and neglected part of a car. However, it performs an important function by controlling the temperature of the engine coolant valve. Thus, when it stops functioning, the car engine can get overheated and does not work anymore. Thus, once this thermostat begins to wear out, it should be replaced without much delay.

The thermostat starts at a closed position when you start the engine to help it reach operating temperature. As coolant temperature rises, it begins to open. The opening allows hot coolant in the engine to flow into the radiator, while the water pump pushes lower-temperature coolant from the radiator into the engine.

Frequently Asked Questions

Any liquid-cooled car engine has a small device called the thermostat that sits between the engine and the radiator. Its job is to block the flow of coolant to the radiator until the engine has warmed up. This helps the engine reach optimal operating temperature quickly.

Symptoms of a stuck open thermostat are slow to reach normal operating temperature and only warm air blowing from the heater. Symptoms of a stuck closed thermostat are engine overheating and radiator boil-over.

No. If it has been determined that there is a thermostat problem, it should be repaired right away. Failure to do so can cause substantial and costly damage to the engine.

Time how long it takes the engine to warm up enough to produce heat when the heater is turned on. If it takes more than five minutes for the heater to produce heat, it is a sign that the thermostat is stuck open, allowing all the coolant to flow all the time.

The main purpose of a thermostat housing is to contain the engine thermostat and provide a coolant outlet to the radiator. In some cases, each radiator hose will be connected to a similar looking housing, with one serving as a coolant inlet and the other as an outlet.

Thermostat Repair & Replacement

Service Overview

Frequently Asked Questions

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