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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Highest I ever saw on mine is 200F, pulling a hill and the converter didn't want to stay locked in 3rd and I didn't feel like wringing it out in 2nd. Engine was at about 210F. ~6500lbs of camper and whatever was in the truck.
Mines older with the 4 speed 4l60E.
Normally runs about 185F, close to my engine coolant temp. I have the radiator cooler and the factory external cooler.
Mines older with the 4 speed 4l60E.
Normally runs about 185F, close to my engine coolant temp. I have the radiator cooler and the factory external cooler.
