Sluggish towing with GMC Yukon
I just picked up a used 2007 Jayco Exp 17C & towed it home last night with my 2011 GMC Yukon SLT. The drive was 2 hrs & lots of hills in TN. I had the tow mode on. It seemed to struggle up the big hil...
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From the description of your situation I was thinking you probably had the 3.08 gears. Now you confirmed it. I made the same mistake in 1987 and the good thing is you only make it once.
