Chevy and GMC Duramax Diesel Forum
A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and …
Duramax 3.0 Should I buy? - Chevy and GMC Duramax Diesel Forum
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 …
Dexos D list update! - Chevy and GMC Duramax Diesel Forum
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 …
3.0 Duramax | Chevy and GMC Duramax Diesel Forum
Dec 11, 2021 · I’ve been looking to get a new truck and was looking at the GMC AT4 1500 with the 3.0 Duramax and was wondering if there are any problems with this motor and what else …
2018-2021 Duramax Reliability and Durability
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 …
Newer GM diesels get a DEF sensor fix! - Chevy and GMC …
Nov 16, 2023 · Duramax turbodiesel 3.0L I6 LM2 engine: 2020 to 2022 Chevy Silverado 1500 2021 to 2024 Chevy Tahoe 2021 to 2024 Chevy Suburban Duramax turbodiesel 3.0L I6 LZ0 …
DEF Poor Quality Reset - Chevy and GMC Duramax Diesel Forum
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 …
What, if any are the pros of a 2025 3500 Duramax vs a 2022?
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 …
3.0 duramax fuel additives - Chevy and GMC Duramax Diesel Forum
Mar 31, 2024 · I have a 2021 3.0 duramax. I just hit 30k miles on the truck and I’ve never added any fuel additives to it. Not sure which I should use or is best recommended for it. Any …
Cylinder Numbering | Chevy and GMC Duramax Diesel Forum
Mar 16, 2011 · How are the LB7 cylinders numbered, 1234 drivers side, or alternating like a gas small block?