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 …

Aug 29, 2025 · What’s the Best oil for L5P duramax, I currently run Rotella, and heard royal purple wasn’t as good as they use to be, what’s better than Rotella. Had a tick back at 70k miles and it was …

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 …

Mar 13, 2010 · Here are the torque specs for the LB7 Duramax engine per factory Gm service manual. Some of the specs are not included, but these are ones I feel...

Nov 16, 2023 · The following engines, models, and model years are involved in this service bulletin: Duramax turbodiesel 3.0L I6 LM2 engine: 2020 to 2022 Chevy Silverado 1500 2021 to 2024 Chevy …

May 25, 2023 · Does anyone have any real world data on the 2024 6.6 Gas V/S 6.6 Diesel fuel economy. Going next week to order my truck, and I'm seriously torn on which to...

Oct 5, 2016 · i am posting this from GM's service information, with a messed up hand so if there is spelling issue, sorry alot of information is carry over but i felt like posting some highlights to answer …