2011 Silverado 2500 trans cooler
Has anyone upgraded this or did you find it adequate for cooling when towing? I'm picking up a 2011 6.0 today that has the heavy tow package and HD cooler. My 2006 Yukon XL 2500 will stay as it's very...
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With the new 6 speed transmissions and dextron VI fluid, you can go much higher on temps than in the past.. If I recall, factory says you can go up to 265F, but personally, I don't like it that high. On a hot day pulling up a big hill, my temp will get up to 215F, but cools down pretty quick as soon as I crest the hill. I plan on replacing (or adding to) the factory cooler in front of radiator.
I have the 2011 GMC 2500HD 6.0/6sp/3.73 CCSB 4WD pulling Arctic Fox 27T (~10k lbs this trip). We just came back from camping over Labor day weekend, temps in low 90s, pulled long hill, got up to 210F. We ran into strong headwind on trip home, mileage was down around 6mpg, which gave us 7.2mpg for round trip.. The campground we went to is just over a 100 miles away, but getting there has lots of ups and downs. I use tow/haul but leave the cruise off.
Our previous tow vehicle was 2008 GMC Yukon XL Denali with a smaller trailer. The trans temp went to 235F on big hills on that, definitely was adding an additional cooler if we had kept it.
I have the 2011 GMC 2500HD 6.0/6sp/3.73 CCSB 4WD pulling Arctic Fox 27T (~10k lbs this trip). We just came back from camping over Labor day weekend, temps in low 90s, pulled long hill, got up to 210F. We ran into strong headwind on trip home, mileage was down around 6mpg, which gave us 7.2mpg for round trip.. The campground we went to is just over a 100 miles away, but getting there has lots of ups and downs. I use tow/haul but leave the cruise off.
Our previous tow vehicle was 2008 GMC Yukon XL Denali with a smaller trailer. The trans temp went to 235F on big hills on that, definitely was adding an additional cooler if we had kept it.
