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 …
Duramax 3.0 Should I buy? - Chevy and GMC Duramax Diesel Forum
Mar 17, 2025 · 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 …
2025, 3500 6.6 Duramax - Chevy and GMC Duramax Diesel Forum
Dec 20, 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, …
LM2 vs. LZ0 - Chevy and GMC Duramax Diesel Forum
May 6, 2025 · It does reduce the amount of adjusting I do when in 'intermittent' conditions, but I don't find them to be a game changer. Couple comparison articles, LM2 Vs LZO, from a …
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 …
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 …
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 …
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 …
Free wiring diagrams | Chevy and GMC Duramax Diesel Forum
Sep 6, 2023 · (Still working as of October 2025) I got tired of people asking me for wiring diagrams. So here it is. Go to Chiton website by clicking here - Gale Chiton The Login ID is …