Symptom: An engine’s cooling system is overheating. The coolant level is low, but there are no visible leaks and no water in the engine crankcase to hint of water jacket or cylinder head problems.

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When you find a leak, you must decide whether you can handle it yourself or you need to see a professional. Radiator Leaks Tip: If the radiator is leaking badly, I recommend going directly to a ...

The best way forward here is to take the car to a workshop that knows Audis and have them pressure test the cooling system. Modern cars have sealed coolant systems, suggesting that they shouldn’t lose ...