Ok folks. New to this forum and looking for some help. I have an 01 ram 1500 with the 4.7 v8. About 3 years ago i replaced both head amd gaskets, water pump, fan clutch, thermostat, and radiator. Everything has been great up untill a few weeks ago when i noticed i didnt have any heat. Didnt mess with it as i have another car to drive. With winter coming i would like both my vehicles to have heat. Popped the hood and removed the coolant cap. Bone dry. The passenger floor is also bone dry as my first guess was the heater core leaking. Looked a little closer. The radiator has expanded in several spots. The path ways where the coolant flows from side to side have literally expanded and spearated the cooling fins. It looks like they have blown up with air. Ill try to post a picture. My question....where is all my coolant? And why does my radiator look like its gonna explode? Thanks for any help.