The fuel system is an integral aspect of any combustion engine, but it’s particularly important on diesel trucks. Your Ford, Dodge, or Chevrolet pickup requires a perfectly functioning fuel system, devoid of buildup, leaks, and debris, to provide you with the most powerful and efficient engine performance possible. At Melvin's Auto & Truck Repair in St Augustine, FL, we understand that fuel system flushing is an essential process in maintaining a properly functioning engine.

What is an HEUI System you may ask? When it was first introduced, HEUI systems revolutionized diesel technology in groundbreaking ways. Though other technologies have taken the forefront since its development, HEUI systems are still extremely common throughout the diesel industry. From our team here at Melvin's Auto & Truck Repair in St Augustine, FL, here’s a quick look at how these systems work, and what the advantages are of having one.

Injectors are a primary component on any diesel engine, old or new. Whether you drive a Chevrolet, Ford, or Dodge pickup, clean and fully operational injectors are an absolutely essential aspect of maintaining an efficient and powerful engine. At Melvin's Auto & Truck Repair in St Augustine, FL, we offer a variety of injector solutions, from cleaning them, to diagnosing problematic injectors, to replacing them.

What does “remanufactured” mean, and is it something you want? At Melvin's Auto & Truck Repair in St Augustine, FL, we strive for great service and a job well done. Part of that is equipping you with the knowledge you need to understand what’s going on when a repair is necessary on your car, truck or SUV. “Remanufactured” is a word that you’ll encounter in the automotive world. Many people perceive that to mean “used”, but that isn’t the case - here’s what you need to know.

You’ve likely heard that diesel engines are ok to idle indefinitely, and that it’s even good for them. Where does this logic come from, and is it true? Melvin's Auto & Truck Repair in St Augustine, FL has the answers.

Whether you drive a Chevrolet, Ford, or Dodge diesel pickup, there will come a day when it’s time to ask the question - has the time come to get a new truck? Melvin's Auto & Truck Repair in St Augustine, FL is here to help you decide.

Whatever type of truck you run in your fleet, they all have a driveshaft that connects the transmission to the differential, transferring power to the wheels. At Melvin's Auto & Truck Repair in St Augustine, FL, we specialize in diesel truck and fleet vehicle maintenance and repair, including precision driveshaft care.

Every time you get into your diesel truck you probably forget all the safety features your vehicle has for you in case of an accident. Airbags are one of the greatest features of modern diesel trucks, though they aren’t often considered until you need them. From Melvin's Auto & Truck Repair in St Augustine, FL, here’s a nod to one of the better vehicle advancements of our time and why it's important not to ignore warning signs.

Diesel engines are known for their durability, but even the best engine has to be replaced every once in a while. At Melvin's Auto & Truck Repair in St Augustine, FL, we want you to be aware of signs that your engine is about to call it quits.

Whether you drive a Chevy, Ford, or Ram diesel pickup, your engine is likely equipped with an injection pump. While injection pumps have been gradually phased out on modern engines, they are still an integral part of most diesel engine operations. At Melvin's Auto & Truck Repair in St Augustine, FL, we specialize in maintenance and repair on Cummins, Duramax, and Powerstroke engines, including injection pumps.

Your truck was built for work. Whether you drive a Ram, Chevy, or Ford diesel pickup, your truck was designed to endure, day in and day out. Nonetheless, eventually, there will come a time where your engine needs major repair - and you’ll have to make a decision on what to do next. At Melvin's Auto & Truck Repair in St Augustine, FL, we’re here to help.

You’re Chevrolet, Ford, or Ram diesel pickup is a heavy-duty machine, designed to tackle all kinds of situations. The ball joints that connect your suspension to the rest of the truck are under a tremendous amount of strain, both on and off-road - it’s important to keep an eye on them, and make sure they’re in proper working order. Here’s how to gauge the condition of your ball joints, from the professionals at Melvin's Auto & Truck Repair in St Augustine, FL.

Once your diesel truck is back on the road, you’ll definitely want to keep it running strong. At Melvin's Auto & Truck Repair in St Augustine, FL, we’ve got you covered.

Keeping your fuel system maintained will prevent premature parts failure and poor running conditions. Here at Melvin's Auto & Truck Repair we have tips on the important aspects of diesel fuel system maintenance, to keep your diesel fleet trucks running smoothly - longer.

Air.Air in the system causes all kinds of issues, from hard starting, poor running conditions, or an engine that won’t run at all. If too much air gets in the system, the fuel pump won’t be able to deliver fuel, and the engine will stall, die, or fail to start.  Air enters the system via a leak or a bad seal - a deteriorated o-ring, worn component, faulty hose, or otherwise. Here we inspect your lines and connections to ensure they are in good shape and track down any leaks we notice air in the system.

Whether you drive a Chevrolet, Ford, or Dodge diesel pickup, there will come a day when you have to ask the question - has the time come to get a new truck? Knowing when to throw in the towel or decide to keep the vehicle you have can be a difficult task. Melvin's Auto & Truck Repair in St Augustine, FL is here to help you decide.

At Melvin's Auto & Truck Repair in St Augustine, FL, we see our fair share of damage that could’ve been prevented. Leaking injectors are one of the main ways a diesel engine can meet its demise - but the good news is, engine failure can be avoided, as long as the problem is taken care of.

While most fleet vehicles are chosen for their reliability, low maintenance, and durability, sometimes maintaining several of them at a time can become overwhelming. Just keeping up with the maintenance schedule alone is a task and then to ensure you keep your scheduled routes for those fleet vehicles is another task in itself. Let Melvin's Auto & Truck Repair in St Augustine put your mind at ease, with our fleet maintenance programs for any and all fleet vehicles. We will take the stress from your business fleet program and get your fleet trucks and fleet cars running at optimum performance with a routine that works for your business that often REDUCES costs!

Melvin's Auto & Truck Repair in St Augustine, FL services all kinds of trucks, regardless of weight class. From small trucks to semi’s, we’ve got you covered. For the sake of curiosity, however, what classifies a truck as light or heavy-duty?