GM Yukon XL Denali Transmission Temps
My main tow vehicle is my RAM CTD, but when we take the RV as well the truck has to pull my 7000 pound boat. So then we use my 2011 Yukon XL Denali to tow the Malibu. It has always run hot - both...
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Check the coolant level (when cool of course), your engine temp should not behave that way unless something else is going on.. IIRC, you have a 6.2l with plenty of power. Are the fans working ok (I don't recall if you have dual electric fans or a large fan driven by belt). Perhaps water pump needs replacement or fan belt?
