I just got my truck back from the dealer. I tought I was having a head gasket problem when they told me every thing was fine I took the truck to another dealer to get a second opinion. They said it was fine, now my top radiator hose is getting hard i tried changeing the cap but it dosent fix the problem. Everything else is fine the truck heats up like it is suppose to. No bubbles in the over flow no low coolant light. I am stumped!!!!!