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...
Forum Discussion
Is the hole in the black plastic overflow cap plugged off, or not drilled out? You could check it by blowing air through it.
This might cause some pressure to build and let a little go by the cap.
This might cause some pressure to build and let a little go by the cap.
