Patriot Diesel & Automotive LLC

Patriot Diesel & Automotive LLC Cheyenne’s one-stop shop for Diesel & Automotive repair, including Mobile Service. Pull on in to see what we can do for you.
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Patriot Diesel Services is Cheyenne’s one-stop shop for the best of the best in truck repair and maintenance. In addition to offering a full list of diesel services and general auto repair, we also specialize in performance checks and modifications for both light and heavy-duty trucks. When you drive up to our shop, expect to receive nothing short of the highest quality in both materials and servi

ce. As the only carrier of Sinister Diesel in the area, we’ll always fill you up with the finest fuel. And ,we know your time is valuable, so we promise to move quickly and have you back on the road in no time. Whatever your diesel needs, we promise to deliver.

We are so thankful for our local partners!! Laramie County Senior Services
06/10/2026

We are so thankful for our local partners!! Laramie County Senior Services

Occasionally, unexpected situations arise. Just before 5:00 p.m. yesterday, we received a call from our activity driver informing us that the bus had broken down on the side of the road just north of Wellington. We immediately contacted Patriot Diesel & Automotive LLC, who promptly arranged for a tow truck to respond.

Within 45 minutes of receiving the driver's call, we had reached our patrons with a convoy consisting of the tow truck, one of our smaller buses, and an additional support vehicle. This coordinated response allowed us to safely transport everyone back to the Senior Center without further incident. We would also like to commend our patrons for their patience, understanding, and positive attitude throughout the unexpected delay. Their cooperation and good spirits were greatly appreciated and helped make a challenging situation much easier to manage.

Maintenance Monday 🔧This Ford Super Duty was traveling through Cheyenne from the Omaha, Nebraska area, pulling a trailer...
06/09/2026

Maintenance Monday 🔧

This Ford Super Duty was traveling through Cheyenne from the Omaha, Nebraska area, pulling a trailer to pick up a prop car for a high school marching band parade, when the customer noticed something wasn’t right.

The rear brakes and axle seals had been replaced at another shop in Nebraska the day before the trip, but both rear axle seals were already leaking. After teardown, we found the wrong axle seals had been installed, and they were way too large. Gear oil was running past the seals and contaminating the rear brakes.

Thankfully, the customer caught it early enough to save the wheel ends. With quick parts sourcing and a dedicated tech staying a little late, we got new seals, brake pads, and parking brake pads installed and got them back on the road quickly.

The takeaway: If something doesn’t look, smell, or feel right after a repair, don’t ignore it. A quick inspection can save you from a much bigger problem.

We Set the Bar.

Check this out… mud did some damage.This wheel had mud packed inside of it, and in not much time at all, it ground the m...
06/04/2026

Check this out… mud did some damage.

This wheel had mud packed inside of it, and in not much time at all, it ground the metal down. Crazy what dirt, grit, and pressure can do.

If your vehicle has been through mud, job sites, back roads, or you’re hearing any grinding or scraping, bring it in and let us take a look.

This 4Runner got a nice upgrade today with a new grille guard and side steps.The grille guard gives the front end a toug...
06/03/2026

This 4Runner got a nice upgrade today with a new grille guard and side steps.

The grille guard gives the front end a tougher look & a lot more protection! The side steps make getting in and out easier while adding a clean finished appearance to the vehicle.

We’re excited to keep growing our accessories department and help customers personalize their trucks, SUVs, fleet vehicles, and daily drivers.

From grille guards, steps, bumpers, lighting, bed covers, racks, and more! We can help get your vehicle set up the way you want it.

Give us a call or stop by Patriot Diesel & Automotive and let’s talk about your next upgrade.

🔧 Maintenance Monday 🔧 Transmissions 😵The end results of a transmission that finally gave up.All that debris in the bott...
06/01/2026

🔧 Maintenance Monday 🔧 Transmissions 😵

The end results of a transmission that finally gave up.

All that debris in the bottom is material from inside the transmission, and once you see this much of it, the damage is already done. Metal, clutch material, burnt fluid, none of it is a good sign.

The point of maintenance isn’t just changing fluid & filter for the sake of it. It’s catching problems before they get to this stage.
Transmission maintenance is mileage-based, but how you use the vehicle matters too. If you’re not sure when your transmission was last serviced, it’s worth checking. Towing, heavy loads, stop-and-go driving, and off-road use can all speed up the service interval and put extra heat and stress on the transmission. Staying ahead of the maintenance can help prevent costly failures down the road.

The start of something awesome! Make sure you check back for updates on this one!
06/01/2026

The start of something awesome! Make sure you check back for updates on this one!

Check out Patriot Diesel & Automotive’s video.

🔧 Friday Feature: MasonThis week, we’re highlighting Mason, one of our technicians at our Heavy Duty location, and if th...
05/29/2026

🔧 Friday Feature: Mason

This week, we’re highlighting Mason, one of our technicians at our Heavy Duty location, and if there’s one thing everyone here knows about him, He bleeds Patriot green.

He’s the kind of guy every shop wants on their team. He shows up with a great attitude, takes pride in his work, and is always willing to jump in wherever he’s needed.

From diagnosing air system issues to complete engine rebuilds and everything in between, Mason isn’t afraid of the challenging, one-off jobs that come through the door. He has the knowledge, patience, and determination to figure things out and get equipment back to work.

More than anything, Mason represents what we value at Patriot: hard work, loyalty, and taking care of people.

We’re lucky to have him on the team!

Thanks for setting the bar, Mason. 👊






This Chevy came to us from our friends & great customer  Capitol Roofing, Inc.  after they purchased it at auction. At f...
05/28/2026

This Chevy came to us from our friends & great customer Capitol Roofing, Inc. after they purchased it at auction. At first glance, the truck looked incredible. Beautiful paint, clean body lines, and a truck that definitely turned heads.

But once we started chasing down a fuel smell in the cab, window issues, electrical issues, and doing a general inspection, we found a lot more underneath the surface.

What started as a simple check-over quickly turned into a much bigger project.

During the oil change, we found excessive metal shavings in the engine oil. The suspension had incorrect-grade hardware that was bending and failing. The exhaust system was contacting the ground. Wiring issues were causing problems throughout the truck, including the horn going off while turning.

The Good: Some things had been done very well.
The Bad: Some things simply were not safe.

Our team went through this truck front to back to make it right.

We replaced the engine, corrected the suspension and exhaust issues, cleaned up the wiring, and worked through countless details along the way to make this truck safe, reliable, and roadworthy while still preserving the vision of the build.

Projects like this take patience, experience, and attention to detail, and we’re proud of the work our team put into this one.

Huge thank you to Capitol Roofing for trusting us with such an awesome truck and giving us the opportunity to bring it to the level it deserved! Thank you!

We Set The Bar.


Your engine needs air to breathe.This air filter came out of a customer's vehicle. It was found during a routine oil cha...
05/26/2026

Your engine needs air to breathe.

This air filter came out of a customer's vehicle. It was found during a routine oil change & inspection.
When an air filter gets packed full of dirt, dust, bugs, and debris like this, airflow suffers and your engine has to work harder than it should.

The good news? Air filters are one of the simplest and most affordable maintenance items on your vehicle.

Sometimes the little things make the biggest difference.

Today, we pause to remember the men and women who gave their lives in service to our country. Their sacrifice secured fr...
05/25/2026

Today, we pause to remember the men and women who gave their lives in service to our country. Their sacrifice secured freedoms that we enjoy every day, often without a second thought. Memorial Day is a reminder that those freedoms come at a cost paid by generations of Americans who answered the call and never returned home. As we spend time with family and friends today, let us take a moment to remember those who made the ultimate sacrifice and the families who continue to carry that loss. From all of us at Patriot Diesel & Automotive, we honor their service, their sacrifice, and their memory.

Address

1811 Hinkley Drive
Cheyenne, WY
82007

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+13076352354

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