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1990 Buick thermostats where are they located 3.8

3.8 engine where they located

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It is located where the lower radiator hose connects the engine. It controls the flow of water between the engine and radiator. It opens and allows coolant to circulate through the engine once temperature is normal.

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Generally if you follow the top radiator hose it will lead to a bell housing. It is located in that housing.

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