Quote Originally Posted by 99XC600 View Post
If the reservoir tank is full and the rad is empty, either the cap is bad or the hose has some type of blockage or pinched. If you remove the cap, can you see coolant flowing from the tube into the rad?

It flows through that hose. Wow if I've taken my car apart 3 times and it's the dang radiator cap I'll be pissed! Well not really. At least I got to clean it out and change gaskets that if weren't broken b4 would eventually break. I'm gonna get a cap on break.