What kind of oil does a 2015 Ram 1500 use?
What kind of oil does a 2015 Ram 1500 use? I have a 2015 Ram 1500 with the 3.0L EcoDiesel. Just had the oil changes at 9,000 miles and at 9,200 miles the engine started developing a slight knock (It sounded similar to a lifter or rocker arm tapping). Is there a technical bulletin for Ram EcoDiesel? A technical service bulletin was issued for 2016 Ram EcoDiesel trucks this summer but now it is extended to 2015 models. Ram has re-evaluated what oil is best for its EcoDiesel engines and changed its recommendations. What kind of oil to use in...