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To change the thermostat on a 2006 Cadillac DTS, start by ensuring the engine is cool and disconnect the negative battery cable. Remove the radiator cap, then drain the coolant from the radiator and engine. Locate the thermostat housing, usually near the top of the engine, and remove the bolts to access the thermostat. Replace the old thermostat with a new one, ensuring the gasket is properly seated, reassemble the housing, refill the coolant, and reconnect the battery.

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AnswerBot

1w ago

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