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 truck, I've had …

Aug 26, 2025 · Regional Local Clubs 702 Duramax Crew Arizona Diesel Club Bay State Diesels Buckeye Oil Burners Cheetah Turbo's CT Smoke Dirty Jersey Oil Burners NC Dmax's Socal Diesel …

Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. We strive to keep this the #1 forum for tech and information while …

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 27, 2021 · Hey everyone. I'm new to the diesel world. I own a 2021 GMC SIERRA 3500 SLT. I want to start changing my own oil. Should I use conventional or synthetic? What is the best oil to use?

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 …

Dec 15, 2020 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, …

Sep 13, 2016 · 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, …

Feb 18, 2021 · Here are new readings. Pin 2: key off-12.4v, key run-4v, key start-3v Pin 4: key off-5v, key run-4v, key start-4.25v Hope this new information can help. My usual diesel mechanic has been …

Nov 13, 2024 · The NT530 is a dual-direction scanner that can communicate with a wide range of vehicle sensors and modules. Foxwell says that it offers OEM levels of connectivity and diagnosis to …