Rookie Diesel Owner
Posting this for my hubby: I recently bought a 2014 GMC Duramax Diesel. Previously pulled With a big block Chevy. Not sure what gear to use when pulling: Drive or Manual and I am not sure about th...
Forum Discussion
You don't say what you're towing, if a light weight TT or Pop-up, you really don't need to use the Tow/Haul mode unless the tranny starts hunting for the right gear. The Owner's manual gives some numbers as to weight of tow to weight of truck when it's recommended to use T/H mode.
I pull heavy so I'm always in T/H with the Exhaust Brake engaged.
I pull heavy so I'm always in T/H with the Exhaust Brake engaged.
