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  1. Cummins Oil | RamForum.com | Dodge Ram Forum for Truck Owners …

    Sep 15, 2025 · I have a 2025 RAM 2500 with the 6.7L Cummins engine and I want to make sure I use the right motor oil and I've always used Shell Rotella. I looked in the owner's manual and searched …

  2. Successfully did a DPF regen on 2022 with 6.7 diesel. Wahoo!

    Oct 30, 2024 · Hi Everyone, I got a lot of help from this forum - thank you all - so I've created an account and am posting this to give back. My vehicle is a 2022 RAM 2500 with the 6.7 Cummins Diesel. Like …

  3. 2022 Cummins Regen Issues - RAM FORUM

    Jun 28, 2023 · I have a new '22 Ram with the 6.7 Cummins with 13K miles on it. It has been in and out of the shop for the last few weeks for a check engine light. The code refers to regen issues. The …

  4. Cummins Diesel oil change interval confusion | iRV2 Forums

    Sep 17, 2018 · When I emailed Cummins and then called 800-Cummins, both of them told me the definitive source and what I should rely on is what's on Cummins Quickserve for my engine (ESL = …

  5. Transfer Case Seal Failure - 2024 RAM 2500 6.7 L Cummins Diesel

    Jan 27, 2025 · Hello fellow RAM owners. Steelbob611 / Texas here. I am new to this forum and a first time RAM truck owner after a lifetime of being a GM truck and SUV owner. Made the switch and …

  6. 2024 2500/3500 6.7 Cummins good bad - ramforum.com

    Nov 8, 2018 · It wasn't till the 2019 Cummins (new CGI block) you started hearing about engine failures. What “engine failures” are you hearing/posting about? I have had my ‘24 Ram 2500 w/6.7 CTD six …

  7. Cummins crank but no start - RAM FORUM

    Mar 13, 2024 · I bought my 2011 Ram 6.7 truck last October and it ran fine, except no cruise control. Within two weeks I put a new stereo and Viper alarm in it. In the next two weeks it started …

  8. 2018 Ram 2500 ABS Recall - ramforum.com

    Jul 15, 2024 · Looks like a recall is here . I just got this from the NHTSA app on my Phone NHTSA Campaign Number: 24V896000 Manufacturer Chrysler (FCA US, LLC) Components SERVICE …

  9. Cummins ISL9 engines....Good, Bad or Ugly? - iRV2

    Jun 22, 2025 · The **Cummins ISL 425 HP** (often the ISL9 or ISL 8.9L, depending on year) is generally a **strong, reliable engine**, but like any heavy-duty diesel, it has some known issues …

  10. The new Cummins oil requirements - RAM FORUM

    Nov 9, 2014 · So I had a Gen4 cummins. Now I have a Gen5 6.7L cummins in my new 2500. So I see that the recommended oil is now either 10w-30, or 5w-40. The thing is I have a lot of the rotella 15w …