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The Audi A4's thermostart, often referred to as the coolant thermostat, is typically located in the engine's cooling system, near the engine block or cylinder head. Its purpose is to regulate the flow of coolant, ensuring that the engine reaches and maintains optimal operating temperature. If you're experiencing issues with engine temperature or overheating, checking the thermostat's function is a crucial step in diagnosing the problem.

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AnswerBot

5d ago

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