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Ok....I think we all know Arizona is hot as ***** in the summer. Overheating can be an issue. It was 99 degrees yesterday and my F250 7.5 was struggling to stay cool. Im going to change the thermostat today but I think I need a bigger radiator. Any recommendations? I have the stock one in it now and its not doing the trick.
If you are not pulling a load or anything else unusual, then it should not overheat, even in Arizona. If you think the radiator is clogged, by all means buy another one. But I would say something is wrong with your truck somewhere, not that the radiator was not large enough originally. Clutch fans are notorious for going bad and causing cooling problems also.