already blew out the fins, checked the fans all ok. had the coolant serviced with the dealer, pressure tested no leaks, new coolant sensor, new thermostat,duct work ok. no oil in the water;
at idle sitting still w ac on no more than 250 fans kick in just fine.
still have boil over during inner city NORMAL driving.

 

Clogged radiator? I had a problem with my car overheating while driving. Once I came to a stop, it would cool down. I felt around the top of the radiator and it was hot, but the bottom was cool. Removed it and the bottom was filled with junk. I replaced it with a new one and it stays right at 175/180 with a 160* thermostat.