VW Golf Mk4 1997-2004 Radiator Coolant Expansion Header Tank Vehicle Model_V60 Rear lights are a critical

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VW Golf Mk4 1997-2004 Radiator Coolant Expansion Header Tank Vehicle Model_V60 Rear lights are a criticalOne of the lesser known parts on your VW Golf is the coolant expansion tank. This component is responsible for catching and storing coolant overspill from the vehicle's radiator. The coolant in your vehicle is designed to prevent the engine from overheating. As it reaches its optimal operating temperature, it expands and can overflow. The expansion reservoir collects this excess fluid and stores it safely instead of letting it spill onto the road. How