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Heavy Duty Truck Repair, Diesel Repair and Onsite Diesel Repair
Arlington – Grand Prairie – Irving – Dallas – Surrounding Cities

Diesel Repair in Irving

OnSite Fleet Services Of Texas provides exceptional diesel repair service to drivers in the Irving area.

You can count on the expertise of our mechanics and the reliability of our parts. When trouble threatens to take your diesel truck off the road, OnSite Fleet Services Of Texas acts swiftly to determine and solve the issue.

Best of all, we are proud to offer our services at competitive rates for Irving residents.

Whatever your diesel vehicle needs, OnSite Fleet Services Of Texas has the knowledge and efficiency to get you back in motion.

Call us today and receive a free quote!

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Upfront Diesel Repair Quotes

Once a client, always a client. Most of our clients are repeat customers and recommend our services because they know they can trust us for a no-nonsense, honest appraisal of their vehicle’s needs.

We inspect diesel vehicles and provide comprehensive repair quotes 100% obligation-free. You’ll appreciate the personable, candid demeanor of our staff. We won’t give you the runaround. Very simply, we’ll determine what’s wrong with your vehicle and tell you the best way to fix it.

We’ll also give you an accurate cost estimate, so you can see precisely what the service will cost, laid out in writing.

No guesswork. No uncertainty. Just clear, transparent service from the most trusted mechanics in town.

Certified Diesel Mechanics

To say we know diesel engines like the back of our hand would be an understatement. Our mechanics are diesel geniuses—we are certified, licensed, insured, and boast many years of firsthand experience.  

But we don’t stop there. We continually seek to improve and keep our skillset sharp by prioritizing professional development in-house. We stay up-to-date with industry developments so that we’re always using the most advanced technology and proven products to supplement our craft.

Minimal Waiting Times for Diesel Services

We recognize that our clients need to get back on the road ASAP. So we make sure they do.

Our spacious facility enables us to service multiple vehicles at once. Plus, we carefully organize our mechanics schedules so that we always have ample staff on-site ready to help. Finally, we utilize sophisticated technology and machinery that is efficient and significantly streamlines our operations.

The result? Our clients are consistently delighted with how fast we return their vehicles to them.

Get back on the road faster with OnSite Fleet Services Of Texas.

Diesel Repair and Maintenance

Diesel is a popular choice for commercial vehicles, and for good reason. While gasoline generally produces higher horsepower, diesel produces higher torque, which makes it ideal for towing and transporting.

Diesel engines use compression systems instead of spark plugs to ignite fuel. Diesel requires higher temperatures to burn fuel, but the fuel burns slower, which results in increased fuel economy.

Compared to gasoline engines, diesel engines offer remarkable longevity and low maintenance. Repairs can be time and labor-intensive, but diesel systems generally last longer than gasoline.

However, it can be difficult to find qualified technicians and parts for your diesel vehicle. That is where the reliable experts at OnSite Fleet Services Of Texas come in. With an attention to detail and an efficiency of service, we will treat your diesel vehicle as if it was our own.

We will inspect, repair, and maintain any truck’s diesel engine. A typical repair job consists of oil changes, cleaning the fuel filter, and changing the fuel and air filter.

Cleaning the fuel filter is particularly important because over time dirt can clog a diesel system, necessitating costly repairs.

We also offer the highest quality belts, hoses, and gaskets for replacement in your diesel system. We also quickly eliminate cooling system leaks.

If you’re in the Irving area and searching for top-notch diesel services, contact OnSite Fleet Services Of Texas today!

Is My Diesel Engine in Need of Servicing?

As the first-choice diesel mechanic in Irving, we’ve serviced a lot of diesel vehicles over the years. Our mechanics have diagnosed and fixed virtually every diesel engine issue under the sun.

Drawing from our extensive experience, we’ve put together a short list of some of the most common repairs we encounter. If you are experiencing any of the following problems, it may be an indicator that your diesel engine is in need of repair.

  • Exhaust pipe releasing white smoke
  • Poor performance - either unresponsive or lagging
  • Overheating problems
  • Issues during cold weather
  • Engine oil found in engine cooling system
  • Extended cranking
  • Hard starts
  • Excessive coolant loss
  • Engine oil significantly warmer than coolant
  • Check engine light is on

Extensive Inspections for All Diesel Repair Services

Over the years, our inspections have earned us high regard for three reasons: they’re fast, they’re accurate, and they’re comprehensive.

Our inspections follow a two-step process: First, we run your vehicle through our state-of-the-art inspection system. Our digital software gives us a quick overview of your vehicle’s performance. It lets us get immediate feedback on how your vehicle is running so that we can determine the necessary repair work. Ultimately, it speeds the whole process up so that we can get to work fixing your vehicle sooner.

For the second step, one of our ASE-certified diesel technicians reviews our diagnostic information and verifies that it’s accurate. Our technicians follow a meticulous inspection procedure designed to uncover every potential issue with your vehicle. They’re specially trained to diagnose even the most inconspicuous of mechanical problems. That way, you know you’ve got an honest and trustworthy assessment of your vehicle’s entire condition.

Full-Service Diesel Repair

When the time comes to have your diesel engine serviced, you cannot settle for second best. Your commercial vehicle needs to operate reliably for many years.

The technicians at OnSite Fleet Services Of Texas know every inch of your diesel system, inside and out. As a full-service repair shop, we possess the skill, equipment, and ability to repair virtually any diesel issue. And since we do all the work ourselves, we don’t have to rely on any third-party specialist to do our work for us. We keep it in-house. We cut out any unnecessary middlemen, which in turn allows us to boast speedy turnaround times and more affordable prices.

It also allows us to maintain high quality-control standards. As a local shop, we offer a meticulous level of oversight on our work that larger corporations cannot match. The result? Our work is consistent, extensive, and immaculate. Superior-quality repairs are what we’ve come to be known for.

When you choose us, we will ensure that the issues affecting your vehicle are totally resolved, and we will also provide helpful advice to any questions you may have.

Trust the Experts in Preventative Diesel Maintenance

Although it’s unfortunately common to wait until there is trouble to seek mechanical assistance for your diesel system, preventative maintenance goes a long way.

Here is a helpful checklist of diesel engine preventative maintenance points to consider:

  • General Inspection
  • Fuel System Service
  • Lubrication
  • Cooling
  • Testing and Servicing Batteries
  • Regular Engine Exercises

Remaining mindful of these things, and adhering to a regular maintenance schedule, will ensure a long life for your diesel engine.

At OnSite Fleet Services Of Texas, we can work with you to develop a regular maintenance regimen that keeps your motor vehicles running for longer. We’ll provide comprehensive servicing designed to protect your fleet from wear and tear, improve your vehicles’ performance, and lengthen their lifespan. That way, you’ll have fewer repair problems and more miles on the road.

Save time. Save money. Get the best maintenance service available.

Diesel Repair for Commercial Fleets

We’re available for commercial diesel repair. Our services are ideal for all types of commercial fleets, including:

  • Freight and Hauling Trucks
  • Heavy-Duty Equipment
  • Delivery Trucks
  • Tow Trucks
  • Service Vehicles
  • …and more

Whatever type of fleet you operate, you can count on our timely and affordable repair services. We’ll work with you to develop a repair and maintenance program that keeps your fleet in excellent working condition. We’ll keep you out of the garage and on the road so that your business can keep doing what it does best.

100% Customer Satisfaction Guarantee on Diesel Services

Since the inception of our company, our singular focus has always been customer satisfaction—and that hasn’t changed. We’re committed to providing everyone and every car that comes through our doors with exemplary service. That’s why we extend a 100% customer satisfaction guarantee. We stand behind the quality of our work, and how we deliver it too.

Auto Part Replacements

In some cases, your diesel vehicle may require a replacement accessory to restore it to working condition. If this happens, we assure you that our dedication to fast turnaround times still stands.

For starters, our shop boasts an impressive product inventory, stocked with top-of-the-line, manufacturer-approved car parts. There’s a good chance we already have the piece you need in stock.

If not, you can count on us to place an order with our reputable suppliers right away. We’ll speak with our industry connections to expedite your product shipment as much as possible.

Less hassle. Less waiting. Let us assist you with all your diesel engine needs.

Contact the Leading Diesel Repair Shop Today

We’re confident we’re the best diesel repair shop in the area. Our staff are professionals, our prices are affordable, and our workmanship second to none. We give you the repair you need to keep your vehicle running for longer.

When your diesel engine needs fixing, you need a timely and affordable repair that will keep your vehicle running for longer. You need OnSite Fleet Services Of Texas.

Contact OnSite Fleet Services Of Texas for the best diesel services in Irving!