Well my overheating problem is not a coolant leak,(exhaust not sweet, no bubbles) my radiator appears working better than I thought,(whole thing is hot on top, both hoses pumping) and my water pump is working up to par. But my coolant still isn't circulating like it should. My overflow tank was completely full and coolant is spewing out onto the motor from the hose. Every time I pop the rad. cap the coolant is steadiily boiling up and starts to overflow . Do I have a leak somewhere that I'm missing? I still don't have a thermostat in it, could that cause the whole problem? Also, my add coolant buzzer keeps going off periodically, even if the car isn't started and the key is in. Where is the sensor located and how do I fix it? Sorry for the novel guys! Need Help Fast!

 

Have you checked the first thing you are supposed to when this happens.

TEH Thermostat....

20$ at the dealer.

 

Dude.. you need a thermostat! Get an OEM Thermostat (NOT autozone/napa/etc replacement).