Before your vehicle hits the road, the engine needs to warm up first. Your Audi thermostat is the one responsible for the engine's warm up period. It effectively controls the flow of the heat energy into and out of your vehicle's engine system. The flow is controlled by turning the switches of the heating or cooling device whenever it is needed. This way, the efficient function of the thermostat would result to the proper temperature of the engine system. Thermostat actually employs various sensors to measure the temperature. Among the different sensors, the BI-metal mechanical sensor is commonly used. In your vehicle's radiator, the thermostat work mechanically with the use of the bi-metal strip that controls the flow depending on the temperature. Dumpers in the rooftop turbine vents are regulated by the thermostat which then decreases the buildup of heat during cooling periods. Nowadays, some modern radiators are using electrical valves. The passenger compartment of your Audi vehicle utilizes a valve which is controlled thermostatically to manage the flow of water to adjust the level of temperature. Older vehicle models employ an engine vacuum to actuators. This allows air to directly flow as it controls the water valves and the flappers. Meanwhile, newer vehicle models make use of small solenoids to act as vacuum actuators which is controlled by the vehicle's central computer. The thermometer is equipped with several layers with two metal types which changes when heated or cooled. Your Audi thermostat is a really sensitive component for it can actually sense the room temperature since it automatically turns the fan on and off. In most cases, when the temperature is low, thermostat is activated. And for the temperature that goes higher, the thermostat will turn off. Therefore, there is a great need for your Audi vehicle to have a reliable thermostat. To find the best Audi thermostat in the market, feel free to browse our online catalog.