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I'm trying to find out if my 2009 Z71 has an auxilliary transmission cooler or not. I have read that the Z71 package has one, but I've got no definitive answer. I'll be towing a 7500lb trailer and dont want to overheat...am I being too cautious or what?????

Hey, I need to know what my towing capacity is, or if I need to add a tranny cooler. Here's my V.I.N # 1GNFK23019R276408. It's a 2009 Tahoe Z71 with the 5.3, 6 speed, with a tow package. I think max towing is either 8400 lbs or 9000 lbs, but I would like to know for sure!