Binkmann10
Junior Member
- Joined
- Feb 6, 2016
- Posts
- 10
- Reaction score
- 3
- Location
- Washingtons Olympic Peninsula
- Ram Year
- 2016 Ram 3500
- Engine
- Cummins 6.7 turbo diesel
I just purchased a 2015 Ram 2500, and am ready for an oil change. The owners manual states 15w-40 if above freezing, or 5w-40 synthetic if below. My dealer said if I use synthetic, it will damage my engine since it does not get cold enough to warrant it. Thoughts?