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...
Forum Discussion
BurbMan wrote:
250 is too hot, you don't want to be over 225.
I worked in automatic transmission design for one of the Detroit 3 about 30 years ago. 250F back then was starting to get a bit hot on those old "natural" oils, but certainly nothing that would hurt the transmission. With synthetic blends or pure synthetic, 250F is fine.
