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!

Sep 2, 2024 · 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 …

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 …

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 …

Dec 21, 2022 · Hey dudes, at what temp to you guys feel it is necessary to plug in the 3.0 ? expecting temps in the high teens for several nights where I live. I had a...

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

Feb 28, 2022 · Hello Everyone, I have a 2020 Sierra 2500 Duramax Denali, 27,000 miles. The DIC is showing the following two messages, (Service Emission's System, 175 mi Until 65 MPH Max Speed). …

Sep 7, 2021 · Have a 2019 Duramax. Got super cold a few weeks ago, Low Coolant Light popped up. Checked, there was a thin layer of ice in the top of my overflow. Took it for a flush, new coolant in a …

Dec 6, 2020 · I’m working on this 2015 Chevy Silverado duramax (I’m new too DEF systems) and has on the dash “exhaust fluid quality poor” and “speed limited to 4 MPH”. I have replaced def injector, …

Mar 1, 2012 · I had the No. 7 glow plug go bad after 114,000 miles so I decided to show how to swap it out. It took me 40 mins total (getting tools out and putting them away and taking pictures). If you …