In this video we will update you on the known trailer brake issue and talk about our experience towing the Brinkley through the mountains. 0:00 - Intro 0:23 - Mountain Driving Tips 1:53 - Exhaust Brake 2:20 - Trailer Brakes 2:35 - Going Downhill 3:59 - Known Issue Update 5:15 - Outro GMC 3500 Specs - Tow Vehicle Max GCWR: 29,700 lbs Max Conventional Hitch: 20,000 lbs Max Fifth Wheel Hitch: 21,300 lbs Max Gooseneck Hitch: 21,300 lbs Max Payload: 4,185 lbs Brinkey Model Z 3100: https://www.brinkleyrv.com/rvs/fifth-... https://en.wikipedia.org/wiki/Exhaust...