A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!

Nov 25, 2024 · I have a 2022 3500 dually Duramax now and haven't had any problems so far and was wondering if there is any advantage to buying a new truck? Thanks in advance for any pointers! Roy

Jan 13, 2024 · I'm in the market to immediately buy a 2018-2021 SRW DieseI truck. I recently retired and for the past 5 years I've been planning on buying a 3500 SRW diesel Chevy Duramax or Dodge …

Mar 17, 2025 · Hello, new to this forum. Thinking about purchasing a 23 or 24 GMC Sierra with the 3.0 Duramax. I drive about 10 miles each way to work, mixed freeway and city. Reading about several …

Mar 16, 2011 · How are the LB7 cylinders numbered, 1234 drivers side, or alternating like a gas small block?

Jan 20, 2025 · Does this mean 5w-30 is approved for the 3L duramax? It seems to make sense running it in the summer in particular when it’s 90 degrees or higher for about 2 months. But that engineer …

Jun 22, 2022 · The DEF tank heater may be faulty on some 2020-2021 Silverado 1500, Silverado 2500HD/3500HD, Sierra 1500, Sierra 2500HD/3500HD; and 2021 Tahoe, Suburban, Yukon and …

Sep 8, 2024 · Just read this article, and it sounds like 2025 will be the last year for the 3.0 Duramax. I hope it’s not true. I only have 17k on my 23 and was hoping to trade it in for another in a few years. …

Mar 20, 2023 · This is my first time posting here so if I break any rules, sorry in advance. I currently have a 2021 Silverado with the 3.0 Duramax. I have currently put on 100k miles to the truck (~55k miles a …

Nov 16, 2023 · This applies to ALL 3.0 duramax's and newer 6.6 duramax's too. NO. It does apply to all LM2's. It does not apply to LZO's Full size SUV's are still using the LM2. 2023 and 2024 1500 …