up and i have to loosen it to release the pressure when doing so the hose spits out a shooting smoke which also cause anti freeze to leak out.i just changed the radiator.also while im driving i noticed the gas light light up and the gas needle bounced down then back up when i had a full tank t,this happened twice,it happens when the car over heats|||Possibly you have a %26quot;blown head gasket%26quot;, if you overheat so much that the head may warp, and the head gasket breaks the seal and then water leaks into the engine combustion chambers and it don%26#039;t run right and will overheat driving just a few minutes and you need to keep stopping and filling it with water and drive a little further.
This is expensive problem to fix, if that is what it is it means an engine rebuild, something like $1500 ballpark to rebuild it.|||first thing to do is replace the themostat
