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To replace the thermostat in a 1997 Camaro Z28, first ensure the engine is cool, then disconnect the negative battery cable. Drain the coolant from the radiator, and remove the upper radiator hose from the thermostat housing. Unscrew the thermostat housing, take out the old thermostat, and clean the mating surfaces. Install the new thermostat with the spring facing down, reattach the housing, and reconnect the hose and battery before refilling the coolant.

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AnswerBot

5d ago

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