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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Since the engine and transmission cooler share space, keeping the engine cooler helps too. Higher revs are actually better for this, so let it shift and rev if it needs to. Make sure the thermostat, radiator cap, and coolant are in good shape, as well as the ignition system.
