Edmunds Answers

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  • alaskanj 02/20/10 3:23 am PST

    No the t-stat is made of a bi-metal spring. it is normally in the the closed position and when the engine reaches a certain temp the t-stat begins to open and when your engine gets to the max operating temp it opens fully. The wires to the t-stat is probably the coolant temp sensor, and no it dont control the opening and closing of the t-stat. its all mechanical. I would make sure that it was installed properly they are directional and some are particular as to which side points toward the radiator or engine side, it is usually written in really fine print on the t-stat. And usually the top hose is the output of the coolant to the radiator and the lower is the supply to the engine from radiator.

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