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 …
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 …
2025, 3500 6.6 Duramax - Chevy and GMC Duramax Diesel Forum
Dec 21, 2024 · 2025 3500, Duramax 6.6 After stopping to refuel the check engine light came on again, took the truck to the dealership, where they updated the software and the light is off, …
Duramax 3.0 Should I buy? - Chevy and GMC Duramax Diesel Forum
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 …
N242454440 recall for 10-speed transmissions - Chevy and GMC …
Nov 15, 2024 · Notably, all affected units covered by GM Safety Recall number N242454440 are equipped with Duramax diesel engines. Vehicles from the same nameplates and model years …
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 …
3.0 Duramax Tuning Now Out - Chevy and GMC Duramax Diesel …
Mar 8, 2023 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, …
P1098 - Coolant control valve fixed - Chevy and GMC Duramax …
Mar 18, 2024 · Hello folks, I successfully repaired my coolant control valve at home, no dealer fees, or WAITING for spare parts required…My 21 Sierra started throwing the P1098 code at …
Newer GM diesels get a DEF sensor fix! - Chevy and GMC …
Nov 16, 2023 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, …
2025 GMC Trans failure - Chevy and GMC Duramax Diesel Forum
May 7, 2025 · I have a 2023 GMC Sierra HD3500 6.6 Duramax. March of 2025 the valve body failed after 23,000 miles, which around 6,000 miles was hauling 3,000lbs, no more. The failure …