GM Full Size SUV Transmissions Temps?
I am curious what those of you that are towing with your full size GM SUVs are seeing for transmission temps when towing? I use my 2011 Yukon XL Denali as a secondary tow vehicle for my 7000ish pou...
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I found if I leave the AC on, I get to 220 on Monarch Pass. But leaving the AC off it's 20 degrees cooler.
