Diesel Repair

  • A Brief History of the Diesel Engine

    diesel engine

    At Harold's Used Auto Parts Inc in Philadelphia, PA, we know that diesel engines play a huge role in many of our customers' daily ways of life. If you drive a Duramax, Powerstroke, or Cummins diesel pickup, you obviously appreciate the power of the diesel engine. Diesel engines are prevalent all over the road, but where did it all start, and why are diesel engines most commonly found in trucks today? 

  • Are You In Need Of New Brake Pads?

    brake pad

    Do you need new brake pads? Most of the time, if you think you do, the answer is yes. While a lot of auto parts stores sell brake pads with lifetime warranties, don’t be misled...brake pads will still wear down.

  • ASE Certified Technicians - What Does It Mean For You?

    technician in auto shop

    Whether you drive a Chevy, Ram, or Ford diesel pickup, we have you covered. At Harold's Used Auto Parts Inc in Philadelphia, PA, we can do it all - and a big part of that is done by employing ASE certified technicians.

  • Bad Alignment on Your Diesel?

    alighnment computer view

    Your truck’s alignment is an essential aspect of its reliability and ride quality. From Harold's Used Auto Parts Inc in Philadelphia, PA, here’s what you should know about the alignment on your Chevrolet, Dodge, or Ford diesel pickup, from symptoms to keep an eye on, to how it affects your vehicle.

  • Cutting Edge Equipment that Fixes the Problem the First Time

    hood of truck lifted

    At Harold's Used Auto Parts Inc in Philadelphia, PA, our technicians have a wide variety of top of the line tools and equipment available to diagnose and repair your Chevrolet, Ford, or Dodge diesel pickup. We utilize equipment at the forefront of technological innovation to best provide for the specific needs of your truck.

  • Diesel Engines - Power Comes From Their Differences

    diesel maintenance

    On gas engines, the fuel delivery system is pretty simple - an electric pump draws gas from the tank, and pushes it to the injectors. Diesel systems are a little more complex. At Harold's Used Auto Parts Inc in Philadelphia, PA, we like to keep you informed about what’s on your truck, how it works, and how to maintain it, so you stay reliably on the road.

  • Diesel Fuel Systems - Parts and Components

    large diesel truck

    Your fuel system is comprised of a variety of parts, each tasked with keeping your engine running strong - Chevy, Ford, and Ram all have small differences, and diesel systems have changed over the years with innovation in the field; however, the fundamentals haven’t changed. At Harold's Used Auto Parts Inc, our technicians are familiar with the differences between models and generations, but for the intents and purposes here they aren’t necessary to know. Here’s an overview of the major components you’ll find in most diesel fuel systems.

  • Diesel Fuel Systems - What Could go Wrong?

    vehicle with fuel being put in it

    Diesel engines are known for their reliability - that’s probably at least partially why you bought one. However, like all things, diesels and their components wear out eventually. Fortunately, the technicians at Harold's Used Auto Parts Inc in Philadelphia, PA have you covered. Here are some fuel system issues to watch out for.

  • Diesel Isn't Difficult - Know How Your System Works

    Now that you’ve got an idea of the components that make up a diesel system, and what they do, understanding how the system works in a more cohesive way isn’t difficult. At Harold's Used Auto Parts Inc in Philadelphia we understand what’s going on in your fuel system while your diesel engine is running.

  • Diesel Maintenance - Why it Matters Who Performs It

    diesel fuel pump

    Good diesel technicians and shops that service diesel engines are hard to come by. At Harold's Used Auto Parts Inc in Philadelphia, PA, diesels are our specialty. There are many reasons to have diesel truck maintenance performed by diesel specialists - here are just a few.

  • Diesel Tires - Find the Balance

    tire

    When it comes to installing new tires on your Dodge, Chevy, or Ford diesel pickup, you want it done right the first time. Our technicians have the equipment necessary to get you cruising smoothly down the road in no time.

  • Engine Options for Your Diesel

    construction site with trucks on it

    The engine in your Chevrolet, Dodge, or Ford diesel pickup is the heart and soul of your truck. At Harold's Used Auto Parts Inc in Philadelphia, PA, we repair, rebuild, and replace engines with quality parts and builds, keeping your truck on the road for years to come.

  • Have You Changed Your Oil Lately?

    Oil being poured into a diesel vehicle

    If you drive a Dodge, Chevy, or Ford diesel pickup, you know the amount of hard work your truck puts in. You may also be aware that diesels run a little dirtier than your average gas burner. At Harold's Used Auto Parts Inc in Philadelphia, PA, our goal is to keep your Duramax, Cummins, or Powerstroke truck on the road for many miles to come. A huge part of that is keeping your oil maintained.

  • How To Keep Your Diesel From Breaking Down.

    Differential being worked on

    Chevrolet, Ford and Ram diesel pickups are well-built machines. Still, sometimes they break down. Here’s what you can do to prevent that from happening and reduce the cost of a more expensive repair. At Harold's Used Auto Parts Inc in Philadelphia, PA our diesel customers are important to us and we want your diesel to last you.

  • Is It Time to Buy New, or Fix What You Have?

    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? Harold's Used Auto Parts Inc in Philadelphia, PA is here to help you decide.

  • Is Your Airbag Service Light On? Why You Shouldn't Ignore it!

    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 Harold's Used Auto Parts Inc in Philadelphia, PA, here’s a nod to one of the better vehicle advancements of our time and why it's important not to ignore warning signs.

  • Is Your Truck Ready For An Engine Replacement?

    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 Harold's Used Auto Parts Inc in Philadelphia, PA, we’re here to help.

  • Know When To Buy a New Vehicle

    salesman talking to customer about a new vehicle

    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. Harold's Used Auto Parts Inc in Philadelphia, PA is here to help you decide.

  • Light vs. Heavy Duty Trucks - What's the Difference?

    row of trucks lined up

    Harold's Used Auto Parts Inc in Philadelphia, PA 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?

  • Maintaining a Diesel Fuel System

    Large diesel truck

    Keeping your fuel system maintained will prevent premature parts failure and poor running conditions. Here are some important aspects of diesel fuel system maintenance, to keep your fleet running smoothly. While your system and components should typically be serviced by a professional technician, there are some things you can be conscious of that will go a long way toward keeping your engine in good shape.

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5347 Whitby Ave
        Philadelphia, PA

(215) 472-1552
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MON-FRI | 8:30 AM - 5:30 PM
SAT | 8:30 AM - 2:00 PM
SUN | CLOSED
Closed every third Saturday of the month