 So do it. I mean, look at this. If they would have put an engine in that truck or put head gaskets in it, they still would have had this problem and said, oh, I guess we better put a cap on it. Oh, we fixed it. Give me the $4,000. Or they would have been calling saying, your work is terrible and your engine is bad. It's doing the same thing. Or they'd burn it up because they do run it out of coolant. So, yeah, thermostat and cap. Don, thanks very much for the call. Good luck. We've got to take a quick break. You are listening to the Under the Hood Show.