wth happened?

[Krem]

Originally Posted by cre

That's the highest point in the cooling system.... it's more likely that you had air trapped in the system and it collected there once the vehicle was off and cold. (It's also the best place to "burp" the system if you need to. )

so I might just need to run the car and see if I feel the fluid going thru there? That'd be awesome... and I don't know if it helps, but the only time I've felt my heater pump out any warm/hot air was immediately following my coolant system flush the first time around... after I parked the car and turned her off, the heater went back to blowing air... whatever temp is in the atmosphere at the time.