Coolant overflowing the overflow container.
SEE PICTURES ON PAGE TWO OF THE THREAD. SEE PICTURES ON PAGE TWO OF THE THREAD. 2016 Toyota Sienna with 15,000 miles. Coolant has appeared on TOP of the overflow tank since the van was new. I...
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Hes referring to a blown head gasket. It will allow exhaust gasses ro pressurize the cooling system pushing coolant out of the overflow. I have experienced this on a dirtbike before.
