Mark
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I have a 2007 Chevrolet Suburban and will be towing a travel trailer with a max weight of 4500 lbs on our family vacation next month. The suburban has no aux transmission cooler. Do I need an aux. transmission cooler installed before the trip. I have called numerous chevy service departments and the majority have said that I dont need one unless reaching high end of the tow rating.... 7k and up. only a couple have said that I should install one. Any feedback would be appreciated. Thanks