7:22TATA · Engine
HOUSING, THERMOSTAT
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7:22
13:18ASSEMBLY OF A 12-L 460 HP MAN D2866 ENGINE FROM 1992 MADE IN GERMANY
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6:35About this part
A thermostat is a temperature-controlled valve that regulates coolant flow to keep the engine at its working temperature.
It stays closed when the engine is cold so it warms up quickly, then opens to let coolant reach the radiator as the engine heats up.
The thermostat sits in the engine's coolant circuit. The correct thermostat matches the engine and its opening temperature.