2021 B6.7L maintenance intervals
I was going over the new Cummins engine offerings in our medium-duty brands at work and noticed a huge change in maintenance intervals on the B6.7L. The new oil change interval for the medium duty t...
Forum Discussion
The differences in maintenance for my 2020 Chevy 1500 are also remarkable. Can’t even check the transmission fluid level. No transmission fluid replacement recommended unless used under severe conditions, then at 72000 miles.
