If you’ve just purchased your first Duramax diesel truck, you’re likely excited about its power and performance. However, as a new diesel...

General Motors has found a large enough issue with the 2024 and 2025 Silverado / Sierra 2500 HD / 3500 HD with the 10 speed "Allison"...

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...

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

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...

A technical service bulletin #22-NA-128 addressing a malfunction indicator lamp (MIL) illumination issue has been updated to now include...

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

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

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...

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

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...

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...

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...

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 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...