L5P Duramax Forum (2024)

1. 6.6L Duramax Diesel & Allison Powertrain (L5P/MGM)

Technical powertrain discussion specifically for the 2020+ L5P Duramax Diesel Engine and 10-Speed Allison Transmission combination on the 2020 through 2024+ ...
Technical powertrain discussion specifically for the 2020+ L5P Duramax Diesel Engine and 10-Speed Allison Transmission combination on the 2020 through 2024+ Chevrolet Silverado 2500 / 3500 or 2020 GMC Sierra 2500 / 3500

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 ...
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31 jan 2022 · I'm considering looking at a 2019 Chevy 3500 with the L5P Duramax. ~45000 miles, 4X4, single rear tires, looks clean from the pics.
Any known Duramax L5P issues to be considered

The ORIGINAL L5P Duramax Owners Group Everything L5P ... DURAMAX DIESEL FORUM (All Motors). 43 K members · 0 posts a day. Visit group.
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18 apr 2022 · Click Here! Rokslide Forum.
See attached: https://gmauthority.com/blog/2022/04/gm-to-repurchase-silverado-hd-sierra-hd-units-due-to-duramax-diesel-engine-quality-issue/

30 jan 2021 · 6.6L Duramax Diesel & Allison Powertrain (L5P/MGM) · All Activity · Home ... Popular Forum Topics. gastrohman. 17. Belt squeal (?) on cold ...
Hello from a Canadian. My 2020 AT4 HD 3500 recently threw a check engine light, turns out it was heater #3 in my DEF tank. Two of my co workers have already had this issue months ago and now it's my turn. Dealership is saying 2 to 8 weeks for a new tank to come in. If it happened once its going t...

Earlier this week, we found a thread on the Duramax Forum that piqued our curiosity. User turbowizard started it, stating “L5P and after will never be tuned.
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17 mei 2023 · Mr. Banks dissects a new, 2024 model 6.6-liter L5P Duramax engine and compares it side-by-side to the 2023 model.
Mr. Banks dissects a new, 2024 model 6.6-liter L5P Duramax engine and compares it side-by-side to the 2023 model.

1 sep 2022 · On September 24, 2017, a statement was issued on a Duramax discussion forum which made the bold claim that the L5P Duramax ECM would never be ...
Ladies and gentlemen, the impossible has happened. Experts said it could never be done on a commercial scale, and enthusiasts may have given up hope, but just a few weeks ago, we learned that Edge Products has cracked the code that was said to be uncrackable, the 2017+ Chevy and GMC L5P Duramax ECM.

L5P: 2017-2019 SILVERADO/SIERRA · L5P: 2020+ SILVERADO/SIERRA · LM2: 2020 ... DMAX Member's Forum. DmaxStore Turbo Lines & Hydroboost/Power Steering Lines.
DmaxStore.com is your top option for Duramax diesel parts. We are the best option for product availability, advice, and more for Duramax trucks.

11 apr 2019 · Not that I have read on the Diesel forum. I have to LML that use the CP4 that is known to go out. The 2019 has the new L5P Duramax thst no ...
i drove my wife’s 08 Duraburb the other day with the horse trailer and a horse and man that transmission is friggin amazing. I currently have a 2012 ram mega cab longhorn with the rams sh*tty transmission but I haven’t had any problems with it yet other than i changed out the shift silinoids and...

Comprehensive GM Diesel Support, including L5P Duramax with L5P ECM upgrade ... Forum · Knowledge Base · VCM Suite Help Center · VCM Editor Help Center · VCM ...
Explore HP Tuners' GM tuning support, including vehicle support for Chevy, Buick, Holden, and more. Find credits and licensing information for GM vehicles.

14 aug 2020 · All told, there are six different iterations of the Duramax diesel engine: LB7, LLY, LBZ, LMM, LML, and L5P spanning from 2001 to the present ...
Whether you currently own a Duramax powered Silverado or Sierra, or you have considered purchasing a used GM diesel pickup, the question will cross your mind regarding what problems you may experience with the engine. All told, there are six different iterations of the Duramax: LB7, LLY, LBZ, LMM, LML, and L5P spanning from 2001 to the present day.

26 aug 2020 · Keep your truck running the best way possible! The L5P can be tuned to maximize your performance without having to delete!
Keep your truck running the best way possible! The L5P can be tuned to maximize your performance without having to delete!