[Eyegore]

WRMZ71, I read your post and I feel your pain. I went through all then same things your talking about with my sons truck, even the broken bolt. My suggestion that worked for me, was to use a dremel if it is handy, one with the little grinding bit, clean as much of the bolt out as you can and then use a larger extractor to remove the rest of the bolt. Now for the overheating, my sons truck was doing the same, I changed everything, including the engine. The first motor got so overheated we lost a head gasket so I decided to replace the whole thing. Still overheated. So I finally took it to a radiator shop, the radiator was 30% restricted, sure it appeared to be flowing properly, but the higher rpms reduced the amount of coolant going through the engine. Had it cleaned out, no more overheating. Now I know you said that this was a new 4 row radiator, but it doesn't take much to block one up. So you might want to consider taking it to a radiator shop, instead of throwing good money at trying to resolve it yourself, it took them a half an hour to diagnose what was wrong and paying the $75 was well worth it, espically after breaking off the bolt.


Hope you resolve the problem soon.

Tom