Diesel Pro Mastery
Diesel Pro Mastery is built to help diesel technicians, shop owners, and installers share the real-world knowledge that keeps diesel trucks on the road. Every day, diesel professionals find better ways to diagnose problems, speed up repairs, improve reliability, and run more profitable shops. We want to share those ideas with the rest of the industry.
If we publish your tip as part of the Diesel Pro Mastery series, you'll receive a $100 VISA gift card. The best submissions include practical, diesel-specific advice such as:
✔ Time-saving repair techniques
✔ Diagnostic tips that lead to faster, more accurate results
✔ Shop practices that improve productivity or reduce costs
✔ Installation tricks that prevent comebacks
✔ Tools, fixtures, or processes you've developed to make diesel work easier
Include one or two close-up photos that help illustrate your tip. Cell phone photos work great as long as they're full resolution. The larger the image, the better.
Browse All Master Tips
Don’t Start a Duramax Head Gasket Repair Until You Have This
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...
Changing the Oil on a Duramax with Doc’s Diesel Products
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...
We installed an ATS Valve Body…Did it work?
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...
How MAHLE’s A/C Machine Helps Shops Turn More Bays
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...
What’s Included in MAHLE’s Powerstroke Turbo Gasket Set?
In this video, we take a closer look at MAHLE turbo gasket set for Ford Power Stroke applications and walk through what is included...
Are Doc’s Diesel Brake Pads & Rotors Worth It?
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...
Is It Time to Update Your Trans Cooler?
In this video, we take a closer look at @PPEpower transmission coolers and break down how they help manage transmission...
Is Your Factory Intercooler Costing You Power?
A worn factory intercooler can slowly leak boost without making the problem obvious. In this episode of Diesel Pro Mastery, Eric and...
Inside MAHLE’s New L5P Duramax Top-End Gasket Set
In this video, we sit down with MAHLE to open up their new L5P Duramax top-end gasket set and see what is actually included. We talk...