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LM2 3.0 Duramax: GM Issues Special Coverage for Coolant Control Valve (N252508341)
Release: September 2025 • Bulletin: N252508341 • Applies to (LM2 3.0L Duramax):Chevrolet: Silverado 1500 (2021–2022), Suburban...
Sep 16


EPA Issues Guidance to Fix DEF Derates: What the New Rule Means for Your 3.0 Duramax
If you’ve been driving your 3.0 Duramax-equipped truck or SUV, you're likely familiar with the frustration of a Diesel Exhaust Fluid...
Aug 12


EPA's 2027 Emissions Standards: What It Means for Your 3.0 Duramax Diesel
The landscape of automotive emissions is constantly evolving, and for Duramax diesel enthusiasts, a significant change is on the horizon....
Jul 19


LZ0 Engine Axed For Cadillac But Finds Home In Chevrolet / GMC SUV's
The time has come, we finally get to see the LZ0 engine make it's way into the 2025 SUV's but unfortunately Cadillac felt the demand was...
Aug 21, 2024


3.0 Duramax Diesel with LZ0 Possible Leak at Intake Manifold
A technical service bulletin #22-NA-128 addressing a malfunction indicator lamp (MIL) illumination issue has been updated to now include...
May 30, 2024


Truck / SUV May Not Restart - P138C - FIX
I am happy to inform you there is finally a fix to this stop/start issue. I personally experienced this with my 2023 LZ0 and I mentioned...
Apr 11, 2024


REVIEWED: Every Single Modification For The 3.0 Duramax Diesel
In the latest video upload from Demonworks, Greg discusses every single part available for the 3.0 Duramax Diesel. With a full...
Jan 21, 2024


BANKS iDash Dual Stealth Pod
Recently I installed the Banks Stealth Pod on my 2024 Silverado ZR2 with the 3.0 Duramax Diesel. Shortly after, I upgraded to the Dual...
Jan 20, 2024


Duramax Fuel Filter Comparison: OEM VS CHINA TP1015
After purchasing both fuel filters from Amazon, I decided to cut them open and really see why 1 filter was $20 cheaper than the other. I...
Nov 13, 2023


PPE is Testing a new Charge Air Cooler upgrade
PPE Charge Air COoler Radiator for 3.0 Duramax Diesel Trucks LM2 LZ0
Oct 10, 2023


The Real Cost of The Oil Pump Belt - 3.0 Duramax Diesel
The most talked about, no, the most complained about item on the class leading 3.0 Duramax diesel is the oil pump driven by a wet belt....
Sep 9, 2023


Oil Filters - Exposing the media
In a recent video on YouTube, DemonWorks cuts open 6 of the most popular engine oil filters for the 3.0 Duramax and 2.7L TurboMax...
Aug 27, 2023


10L80 Abnormal Whining Noise: Fixed in 2022
2022+ 10L80 Transmissions have the revised oil pump drive gear 2020 - 2021 Silverado / Sierra equipped with the 10L80 transmission Owners...
Jun 14, 2023
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