After reading all this i still say you must of bought a defective radiator cap dealer or not.Does your lower radiator hose have the spiral spring inside of it if not you should replace it with one.Does it collapse at higher RPMS?

Last edited by 93montero_sr; 04/20/09 09:17 PM.
93 montero sr 3 inch body lift 31x11.50 super swamper ltb, 2 8inch 130 watt pro comp off road lights, 2 55w lights on the rear bumper, rear air locker, magnaflow exhaust muffler,superwinch manual hubs,15x8 black rock crawlers (steel)