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

I bought a 2025 GMC Sierra 1500 Denali Ultimate Duramax and overall, I love the truck. It's an absolute joy to drive, and the engine is fantastic. Unfortunately, with barely 3k miles on the …

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 …

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 …

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 …

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 …

Mar 8, 2023 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, …

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 …

Nov 27, 2021 · The Duramax engine is fairly easy on oil and with regular oil changes your chances of an oil-related failure is very low. If you want to monitor your oil you can send a …

Mar 24, 2022 · My 2021 Duramax with 20K miles randomly gives me the "DEF tank empty" and threatens to reduce my speed. It usually clears itself after a few miles but did go into limp …