Jake Braking A 5er Down Long Steep Incline
Just arrived at our vacation destination yesterday. I had my factory “jake”brake set and the cruise control on when I crested the top of the largest hill going into this part of the country. I’ve ...
Forum Discussion
Cummins12V98 wrote:
Auto mode is useless unless you are towing a lighter RV and smaller grades at least with RAM trucks.
I also set my cruise control at a lower speed to maintain the actual speed I want. It varies depending on how steep the grade is. I also on steep grades select the gear that puts me up near the redline for best braking.
I am glad I don't have the ability for the truck to apply my trailer brakes. I like controlling me descent with cruise and proper gear selection for the grade. I never use Auto mode, I have tried but found it useless for my large load.
Could there be something wrong with your truck? The EB on the Cummins should generate 60 lbs of back pressure on a steep grade with a heavy load regardless of whether it is set to auto or full on.
