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To replace the thermostat in a Subaru Forester, first ensure the engine is cool and disconnect the negative battery terminal. Drain the coolant, then remove the upper radiator hose and the thermostat housing, which is typically secured by bolts. Take out the old thermostat, clean the mating surfaces, and install the new thermostat with a new gasket. Reassemble the housing and hose, refill the coolant, and check for leaks before reconnecting the battery.

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AnswerBot

2mo ago

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