- 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 more!
- 2025 Issues - Chevy and GMC Duramax Diesel Forum
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 significant two issues that have required return trips to the dealer Issue 1 - The DEF supply line was not properly secured to the DEF
- What, if any are the pros of a 2025 3500 Duramax vs a 2022?
2024 Silverado 3500HD SRW LT Crew 6 6L Duramax, Brute II Bumper- 11,000 and counting 2022 Silverado 1500 LT Crew 3 0L Duramax, 76,000 and counting 2008 Silverado 3500HD SRW LT Crew Cab 6 6L Duramax, B W GN, Brute II Bumper -399,000 and counting
- 2018-2021 Duramax Reliability and Durability
I recently retired and for the past 5 years I've been planning on buying a 3500 SRW diesel Chevy Duramax or Dodge Ram to pull a 16,000-18,000 Toy Hauler from Iowa to the south for the winter Since September, I've started following several social media platforms and forums for both GM and Dodge diesels to help me choose between the two brands
- 2025 fuel economy questions - Chevy and GMC Duramax Diesel Forum
I went from a 2017 2500 GMC Duramax which was getting 23 24 highway, 14 16 combined, and 12 13 towing 10K pounds, to a 2025 2500 GMC Duramax getting 20 highway, and 9 10 combined mph I haven't towed yet however I'm not expecting anything good at all I actually think the 10 speed hurts gas mileage not helps mileage
- LM2 vs. LZ0 - Chevy and GMC Duramax Diesel Forum
2024 Silverado 3500HD SRW LT Crew 6 6L Duramax, Brute II Bumper- 11,000 and counting 2022 Silverado 1500 LT Crew 3 0L Duramax, 76,000 and counting 2008 Silverado 3500HD SRW LT Crew Cab 6 6L Duramax, B W GN, Brute II Bumper -399,000 and counting
- Oil recommendations | Chevy and GMC Duramax Diesel Forum
2002 duramax currently still driving it with 426k miles so far - plan to keep another 5 years or so I've had the valve covers off this one multiple times - damn LB7 injectors Still has 60 psi oil press at full operating temp (anything above idle - at idle it's about 40 psi) change interval on all of the vehicles is was 10k miles other stuff:
- General Discussions | Chevy and GMC Duramax Diesel Forum
2025 Duramax 6 6 ticking noise during idle corkynewman85; Mar 30, 2025; 8 766 4d ago by
|