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TLC Auto & Truck Repair Service Center

230 NY-109, Farmingdale, NY 11735

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Monday - Friday


Diesel Repair

Serving Long Island since 1991. Give us a call, we’re happy to assist you. 

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Diesel Repair Service

Diesel ENGINE repair shop in Long Island, New York

Why you need a quality diesel repair shop

If your truck needs diesel repair, you have to find a quality diesel repair shop to do the job correctly. Otherwise, you may end up paying more for ordinary maintenance.

Performing diesel truck repair on schedule gives your vehicle a longer lifespan, saving you money over the long haul, mainly if you use it for work.

Generally, a diesel engine repair shop requires particular expertise and equipment to fix even the most rudimentary issues. The differences between diesel-powered vehicles and gasoline-powered vehicles show why you need a certified diesel mechanic like TLC.

Why choose tlc

Family owned & operated

Bringing our family values to yours.

Free pick-up & drop-off service

No second vehicle? No worries. We’ve got your back. We'll pick you up and drop you off - for free.

30 Years of Experience

We’ve been reliably repairing cars, trucks, trailers and RV´s for almost 30 years.

We repair everything!

There are no gimmicks here. We tell you what needs to be fixed and get the job done.

Complete & genuine service

Authenticity is our brand. Bringing you complete and genuine service with a smile.

24 months & 24k miles guarantee

Guaranteed (most) repairs for 24 months or 24K miles, giving you peace of mind.

Comparing diesel engines versus gasoline engines

Not everyone knows the difference between diesel repair and gasoline engine repair. For those who don’t know the distinctions, here is a short breakdown of essential characteristics.

Characteristics of diesel motors

Diesel engines are typically bigger, louder, and emit more pollution than standard gasoline-powered motors.

At a glance, you might be asking yourself, “then why would I want a diesel in the first place?” The answer is that they’re less expensive to maintain over time when you do need diesel repair, and they have more power.  A quality diesel repair shop knows that diesel motors require more robust parts and feature better performance when it comes to torque power and fuel efficiency.

The chemical composition of diesel fuel yields more power per gallon, so that’s one reason why diesel-powered trucks make the best work vehicles and need less diesel engine repair.

Diesel Repair 1

What can I say.. these guys are the best in the diesel truck repair business that I've found. I own several Ram Diesel Tow Trucks and they have kept us running without fail and for a very fair price. Thanks guys, you'll always be my 'go-to' for my trucks!

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Characteristics of gasoline motors

On the other hand, gasoline motors will require a shorter maintenance schedule, meaning that the engine wears down faster, and you’ll need to find a reliable diesel repair shop more often. Gasoline ignition relies on spark plugs to crank the motor; diesel engines use glow plugs for compression ignition.

The result is that gasoline-powered motors produced less toxic emissions than diesel motors. The trade-off is that gasoline gets you less mileage per gallon. Depending on the model of truck you own, the difference in fuel efficiency may be slight but will pay dividends over time when you need less diesel repair.

Ordinary mechanics know their way around any gasoline engine, but a diesel mechanic knows his way around a diesel engine just as well.

Common Diesel Engine Problems

What's the benefit of finding a diesel mechanic?

You’ll need a diesel specialist sooner or later, but the most significant benefit of owning a diesel-powered truck is that you’ll need to take it to the shop less often. The downside is that diesel engine parts cost more overall. You can’t simply swap a piece intended for a gasoline engine and install it in a diesel motor.

There is a sharp distinction between compression-based ignition and gasoline-based ignition. You’ll need to know the subtle differences. Also, there is a shortage of certified, trustworthy diesel mechanics across the country. Thus, a diesel specialist commands a higher price tag for their skills and expertise.

A diesel truck mechanic tip: Stick to a tight maintenance schedule because diesel repair costs more per job.

Schedule your diesel truck repair service with us Today! Call us to get started.
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Common mechanical problems with Repairing diesel engines

Diesel motors have different priorities for preventative maintenance, but it’s all too common for truck owners to put off repairs like any vehicle.

As a result, these are the most common mechanical problems with diesel engines:

  • Coolant acidity level
  • Basic cleanliness
  • Failing primary and secondary fuel filters
  • Poor air filters
  • Using gasoline oil in a diesel engine


The last point deserves a particular word of caution before visiting a diesel repair shop.

Warning: Never use ordinary motor oil in a diesel engine!

Using the wrong type of oil will ruin the entire engine because diesel oil has a lower viscosity (i.e., higher thickness) and lasts longer.

Sometimes, a used and battered diesel engine will require a full rebuild or wholesale replacement of critical parts. Combine that with the higher than average cost per part, and it’s easy to see why you need to stay on the safe side and find a quality diesel repair shop.

How TLC Auto & Truck Repair Shop performs diesel engine repair

If you think your diesel truck needs attention, you can call TLC Auto & Truck Repair Service Center because they know, expertise, and a certified diesel mechanic. At TLC Auto & Truck, providing award-winning customer service is our goal. Find us on Google and read through more than 70 five-star reviews!

If you think you might cause more damage to your diesel by driving it to a diesel repair shop, contact us before you take an unnecessary risk. Diesel inspections and fleet maintenance are two additional repair services you’ll find at TLC Auto & Truck Repair Shop. The needs of diesel truck owners are unique, and you can inspect the quality of the work for yourself.

Check out our Diesel Engine Troubleshooting Guide

Your repairs come with a 24-month guarantee, or up to 24,000 miles, on diesel repair. A reliable diesel engine repair is tough to come by in the Farmingdale, NY area. Know that our commitment is to treat you like family and provide genuine, honest customer service.

Call TLC Auto & Truck Repair Shop to contact a certified diesel mechanic.


No second vehicle? No worries. We’ve got your back.

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Truck Repair Services

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...No tricks, just good honest mechanics. They only use quality parts, not after market products that just don’t perform and last like the OEM ones. You get what you pay for in auto parts. They have very competitive pricing and being as meticulous as I am, they gave my truck back in the same neat and clean condition in which I gave it to them. No greasy hand prints on the trunk, hood, door handles or steering wheel. I got to see some of their upgrade work on several 4x4 trucks and they produce some sharp looking vehicles. I have absolutely no issue with recommending them. Nice work TLC Auto and Truck !

Kevin van Pelt

Local Guide

30 Years Of Experience

We’ve been reliably repairing trucks for almost 30 years.

TLC Auto & Truck Repair Service Center 1

Don’t compromise on safety for yourself or others on the road. Drop by our shop, schedule an online appointment today or give us a call.

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