Originally Posted by rensch26
Is it cold where you're located? Just wondering if the antifreeze/water might have frozen a bit somewhere in the cooling circuit and expanded, causing the the overflow tank to pressurize.
It did get below freezing when it was parked.
When it over flowed it was like 75.
It was parked when it was like 45.
I'm thinking it might just be 8 gallons of coolant expanding and overflowing a bit