Duramax News | Duramax Diesel Engine

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...

California Owners: 3.0 Duramax Diesels Require a Reprogram

N242441450 just came out that applies to all 3.0 Duramax Diesels in California (2021 - 2024) (LM2 and LZ0)

LZ0 ECM Update Available ! Regen Fix?

A new ECM Calibration Update has just arrived. This update is available if you have one of these codes listed below, DO NOT GO TO YOUR...

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...

2024 L5P Major Engine Issue Found !

UPDATE- it has been said, not confirmed, that there are approximately 10 vehicles involved Release Date: May 2024 Program Effective...

What is: Diesel Fuel Injection Small Quantity Adjustment

In modern diesel fuel systems, small quantity adjustment plays a crucial role in optimizing engine performance and fuel efficiency. Small...

2024 Silverado / Sierra Sheet Metal Splitting !?!?

If you own a 2024 Silverado or Sierra, it would be a good idea to inspect your left rear door jamb for any cracks. GM has just informed...

What is Regen / Regeneration in the 3.0 Duramax Diesel

Understanding Exhaust Regeneration in Your Chevrolet Silverado with a 3.0 Duramax Diesel Engine If you're a new owner of a Chevrolet...

0w20 Dexos D Oil Analysis Comparison - 3.0L Duramax Diesel

It is often wondered just how the 0w20 Dexos D engine oil is holding up in the modern 3.0 Liter Duramax Diesel. Some have purchased oil...

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...

Oil Consumption Fix #22-NA-027

If you have a 2020 - 2022 3.0 Duramax Diesel and are experiencing engine oil consumption, you may have a simple fix. Simple, being a...

Unwanted Tailgate Opening - Latest Fix (March 28 2024) Silverado Sierra 1500 Models

There is a recall out for unwanted tailgate opening but that is for the 2500/3500 trucks and not the 1500, unless, the truck is a...

SUPER CRUISE FIX AVAILABLE - B2BA1 - #24-NA-063

Super Cruise equipped vehicles have had their fair share of issues and GM has released a fix for one of them. If you are seeing a message...

RECALL - Automatic Exterior Lights May Not Activate As Required

NOTE- Canadian Trucks Only N232431050-10: CMVSS Noncompliance Recall - Automatic Exterior Lights May Not Activate As Required - (Mar 26,...

40,000 Vehicles ?! Glow Plug Failure? Special Coverage for 2020 LM2 Silverado / Sierra

Special Coverage for #2 Glow Plug failure in 2020 LM2 3.0 Duramax Diesel to be offered for 150,000 miles / 15 Years, whichever occurs...