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What to do if the coolant level drops but there are no leaks

Model: (Various brands) Various
Part: Antifreeze coolant

It may happen that the coolant level of our car - whatever brand or model it may be - drops without there being any actual leaks in the cooling system; we have not seen puddles under our car. On forums, we may have even read that the head gasket could be burnt. But in reality, the first thing to do when these circumstances occur is to replace the coolant tank cap, because the cap controls the pressure of the system, and a defective cap allows the coolant to escape in the form of steam through the overflow cap, without leaving a trace.

Posted on 25 March 2025 by ScegliAuto

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