Photo 2.1A. Removing the expansion tank plug.
Photo 2.1B. Add coolant to the expansion tank.
2. Frequent need to add fluid indicates a leak in the system or a leaking cylinder head gasket (find and fix the problem).
3. Replace the coolant at specified intervals. Before each winter, check the antifreeze concentration.
4. Periodically check the condition and reliability of the system hoses. Replace damaged hoses.
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