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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Grit dog wrote:Very common hand pump tool with a gauge does the pressure test.
Idk how you'd pressure test the system, but if the cooling system is holding the required pressure then I'd be looking for an internal leak i.e.: head gasket.
Every decent shop has one. Check amazon there are many.
