Diesel Truck Repair

Reliable, Local & Expert Diesel Truck Repair Service in Mineola

When your diesel truck needs expert care, Mineola Auto Service Center delivers the kind of diesel truck repair service that keeps you moving—with precision, reliability, and unmatched local trust. Family-owned since 1970, we specialize in both personal and commercial diesel vehicles, providing full-service diagnostics and repairs from experienced technicians who treat your truck like their own.


If you’re searching for diesel truck repair near me, you’ve found a local shop that combines deep expertise, cutting-edge diagnostics, and transparent communication with every visit. Located in the heart of Mineola, just minutes from the train station and Winthrop Hospital, we make diesel truck service seamless with courtesy pick-up/drop-off options and extended pick-up hours up to 10 PM.

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Why Choose Our Diesel Truck Repair in Mineola?

Diesel trucks are built for endurance—but even the toughest machines need high-quality service to stay reliable. At Mineola Auto Service Center, our diesel truck repair isn’t just about fixing problems—it’s about delivering peace of mind and long-term performance.


From fuel system diagnostics to turbocharger repairs and emission control issues, we handle it all. Our ASE-certified technicians use state-of-the-art equipment to provide fast, accurate repairs that minimize downtime and maximize your truck’s lifespan.


We proudly service all diesel engine makes and models, and every repair comes with:


  • Precision diagnostics to pinpoint issues fast
  • Transparent, honest estimates with no surprises
  • Repairs using top-grade parts and tools
  • Family-owned, local service you can trust



Our diesel repair team has built a reputation for excellence, with decades of hands-on experience working on everything from Ford Powerstroke and Chevy Duramax to Cummins and commercial fleets.

What Does Our Diesel Truck Repair Service Include?

When you bring your truck to Mineola Auto Service Center, you get more than just a repair—you get complete, end-to-end care for your diesel vehicle. We offer full-service diesel truck repair including:


  • Diesel engine diagnostics & performance tuning
  • Fuel injection system service & repair
  • Turbocharger inspections & replacements
  • Exhaust aftertreatment & emissions systems
  • Glow plug & cold start system repairs
  • Cooling system repairs
  • Transmission and drivetrain inspections
  • Brake system servicing for heavy-duty trucks
  • Scheduled diesel maintenance


Whether you’re experiencing loss of power, strange noises, or warning lights—our diesel experts will quickly identify the root cause and fix it right the first time.

Who Benefits Most from Diesel Truck Repair at Mineola Auto Service Center?

If you rely on a diesel truck for work, family, or daily driving, timely and expert repair isn’t optional—it’s essential. Our diesel truck repair services are perfect for:


  • Fleet owners and contractors who need dependable uptime
  • Tradespeople and business owners who can’t afford unexpected breakdowns
  • Diesel enthusiasts who care about long-term performance
  • Everyday drivers who want honest pricing and high-quality repairs



We help our customers protect their investments, improve fuel efficiency, and prevent more costly repairs down the line.

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Do Diesel Trucks Cost More to Repair?

Yes, diesel truck repair can sometimes cost more than gas vehicle repairs—but it’s for good reason. Diesel engines are engineered for power and longevity, but they also have complex systems such as turbochargers, high-pressure fuel injectors, and advanced emissions controls that require specialized care.


At Mineola Auto Service Center, we help you control those costs by offering:


  • Expert diagnostics to avoid guesswork
  • Honest, upfront pricing
  • Efficient repairs that prevent repeat issues
  • Skilled technicians who get it right the first time



Our customers often tell us that our repairs saved them from bigger bills later—and with our trusted service, you can feel confident every mile ahead.

OWNER & FOUNDER

BRIAN VALENTE

OWNER & MANAGER

JIMMY O'BRIEN

LEAD MECHANIC

JOSE GONZALEZ

How Our Diesel Truck Repair Service Solves Real Problems

Your diesel truck isn't just a vehicle—it’s your livelihood, your investment, or your daily driver. When something goes wrong, it’s more than inconvenient—it can be costly and disruptive.


That’s why our diesel truck repair services are built around solving the problems that matter most:


  • Avoid breakdowns: Proactive maintenance prevents failures that can leave you stranded.
  • Reduce stress: Our team keeps you informed at every step with clear communication.
  • Save money over time: Fixing small issues early helps avoid major repair bills later.
  • Extend your vehicle’s lifespan: Proper diesel care adds years to your truck’s life.



When you work with us, you're not just fixing a truck—you’re protecting your time, your wallet, and your peace of mind.

Long-Term Benefits of Diesel Truck Repair Done Right

Even after your repair is complete, the benefits keep rolling:


  • Improved fuel economy from optimized performance
  • Reduced emissions for cleaner operation
  • Better resale value from a well-maintained service history
  • Fewer surprises on the road thanks to thorough diagnostics



Our customers stick with us because we do more than fix—we help maintain and protect your diesel truck for the long haul.

Why Choose Mineola Auto Service Center for Diesel Truck Repair Near You?

When searching for diesel truck repair near me, you need more than just the closest shop—you need one with a reputation built on skill, honesty, and local trust.


At Mineola Auto Service Center, you get:


  • Family-owned integrity: Since 1970, we’ve served Mineola with fairness and care.
  • Expert mechanics: Our technicians bring decades of hands-on diesel experience.
  • Transparent service: No hidden costs, no confusing jargon—just real answers.
  • Convenience: Drop off your truck before work and pick it up after—we’re open late.
  • Customer-first approach: With hundreds of five-star reviews, our reputation speaks for itself.



We’re not just another auto shop—we’re your neighborhood partner for diesel truck care.

FAQs About Diesel Truck Repair

  • How often should I service my diesel truck?

    Diesel trucks require regular maintenance to stay reliable, typically every 5,000 to 7,500 miles depending on usage. At Mineola Auto Service Center, we help you stay on schedule with oil changes, fuel filter replacements, coolant checks, and other essential diesel truck repair services tailored to your driving habits.

  • Can I bring a commercial fleet vehicle in for diesel truck repair?

    Yes! We specialize in both individual and fleet diesel truck repair. Whether you have one truck or ten, our team delivers fast turnaround and reliable results to keep your business running smoothly. Ask about our fleet service options during your next visit.

  • What are signs my diesel truck needs repair?

    Common signs include loss of power, hard starts, excessive exhaust smoke, poor fuel economy, or strange engine noises. If you notice any of these, bring your truck in for a full diesel diagnostic—we’ll identify the issue and provide a detailed plan to fix it.

  • Do I need a diesel specialist for repairs?

    Absolutely. Diesel engines are complex and require different tools, knowledge, and training than standard gas engines. At Mineola Auto Service Center, our diesel techs are trained specifically for diesel truck systems, ensuring every repair meets the highest standard.

  • How do I find the best diesel truck repair near me?

    Look for a repair shop with diesel-specific experience, high customer ratings, and a track record of honest, effective service. Mineola Auto Service Center checks every box—with 35+ years in business, expert technicians, and hundreds of loyal local customers who trust us with their diesel trucks.

Need Diesel Truck Repair You Can Rely On?

Call us today at 516-741-1664 or set an appointment online to get your diesel truck back in peak condition—fast, fairly, and with the expert care you deserve.

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The team at Mineola Auto Service Center is great! They are extremely professional and the quality of their work is top notch. They have been maintaining our cars for years, and they keep our cars in excellent condition. Jimmy and Brian have always treated us fairly and we look forward to continuing with them.

Dennis DaSilva

CLIENT REVIEW

I’m really happy I found this shop! The owners are so friendly and accommodating. I would highly recommend this shop to anyone for their good communication skills, customer service, vast knowledge of diagnostic repairs and fair pricing.

Yolanda Joseph

CLIENT REVIEW

These guys run a tight ship and are the best you can ask for in a repair shop. Jimmy, Sam and Bryan do an absolutely outstanding job and their mechanics are out of this world. If you need anything car wise bring it there.

Patrick Determann

CLIENT REVIEW

These guys are the best. Took a nail out of my tire and plugged it up for only $20, and very graciously didn’t charge me extra, even though I accidentally told them the wrong tire so they wasted 45 min looking for the nail 😭🙏 …

Emily Atkinson

CLIENT REVIEW

Just moved here and needed to get inspected. They’re a small shop serving mostly locals. Honest prices and the manager is such a great guy. You can tell they value their customers. Will come here again!

Pauline H.

CLIENT REVIEW

I have had nothing but positive experiences at this repair shop. Brian and Jimmy are very professional and trustworthy. Their prices are reasonable and very honest. The place is busy for a reason! Highly recommend!

Sonmez S.

CLIENT REVIEW

Mineola Auto Service Center

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A man is working on a truck with the hood up.
June 3, 2025
Avoid costly mistakes when choosing a truck repair shop. Learn what to look for and why Mineola Auto Service Center is the trusted name for expert truck repair in Mineola.
A man is working on the engine of a semi truck.
June 3, 2025
Get expert truck repair in Mineola with Mineola Auto Service Center. From diagnostics to diesel engine work, we offer reliable, honest service backed by 50+ years of experience.

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