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 had the same engine and tranny in my denali. I saw 220-230 for quite a while pulling my TT. I hated it and thought it was too hot even though people said they are good until about 260 I think it was. I installed an extra trans cooler from e-trailer and never saw over 190 after that. It was super easy to install and if i remember right it was about $50 total. I really liked the peace of mind it gave me.
