by Andy Stacy | Sep 9, 2026 | Diesel Mastery
What does a failed head gasket actually look like on a Duramax—and what do you need to fix it properly? Eric walks through a Duramax head gasket repair, showing the failure, the parts involved, and what makes the job go more smoothly from teardown to reassembly. For...
by Andy Stacy | Sep 9, 2026 | Diesel Mastery
In this video, we put Doc’s Diesel products to work on a Chevy Duramax and go through a full oil change using their oil, filters, and service products. We take a practical look at what’s involved, the products we’re using, and why staying on top of basic...
by David Ayers | Sep 9, 2026 | Diesel Mastery, Uncategorized
If your 6.7 Powerstroke has been shifting hard, banging into gear, or just doesn’t feel right anymore, this video is for you. We’re taking a look at a truck with harsh shifting issues and installing an ATS Diesel Performance 6R140 Valve Body to see if it...
by David Ayers | Jul 17, 2026 | Diesel Mastery
In this video, we sit down with Jeremy from MAHLE to take a closer look at the ACX 2180 A/C recovery and service machine. We talk about what makes this machine different, including its modular design, Bluetooth connectivity, remote diagnostics, and support for both...
by David Ayers | Jul 17, 2026 | Diesel Mastery
In this video, we take a closer look at MAHLE turbo gasket set for Ford Power Stroke applications and walk through what is included in the kit. We talk about the gaskets, seals, and clamps that matter during a turbo job, why using the right components can help...
by David Ayers | Jul 17, 2026 | Diesel Mastery
In this video, we take a closer look at Doc’s Diesel brake pads and rotors and break down what makes them a solid option for diesel truck owners. We cover the key features, construction, performance benefits, and what separates these components from standard...
