Automotive News & Information - Harold's Used Auto Parts, Inc.

“Valve body” is one of those nebulous car terms you hear all the time, but nobody seems to really know what it is. At Harold's Used Auto Parts Inc in Philadelphia, PA, we know exactly what a valve body is, what it does, and are well equipped to address any issues your valve body may be experiencing.

Whether you drive a Porsche, Audi, BMW, Subaru, Land Rover, or other performance and luxury vehicles, your ball joints are an essential part of your car or SUVs performance and safety. From us at Harold's Used Auto Parts Inc, here’s what to watch out for, to make sure your ball joints are in shape and ready to go.

At Harold's Used Auto Parts Inc in Philadelphia, PA, we aren’t just in the business of fixing or maintaining your transmission. We’re here to help you make customizations and improvements as well.

Most commercial diesel engines these days are turbocharged. Turbos dramatically increase power and efficiency, particularly on diesel engines, which makes them a must-have item on engines that rely heavily on both. However, sometimes issues arise in turbo systems; at Harold's Used Auto Parts Inc in Philadelphia, PA, we can fix that.

Automatic transmissions are, to many, a mysterious aspect of automotive mechanics. Torque converters, on the same hand, are a mystery shrouded within a mystery. Here’s a basic rundown of how torque converters work, and how to know if yours is failing, from Harold's Used Auto Parts Inc in Philadelphia, PA.

The turbo on your diesel pickup is a precision-engineered component. As a result, proper maintenance is essential to keeping it going strong. At tens or even hundreds of thousands of RPM, keeping everything in good shape is absolutely necessary. Fortunately, turbos don’t really require any special maintenance - they just make the maintenance you do all the more important.

In today's economic climate, people are working hard to make their dollars go further. Not only are drivers holding onto their vehicles longer, but they're also looking to improve fuel efficiency to get the most gas mileage out of every gallon of gas. You can do both by following a few simple tips from our team here at Harold's Used Auto Parts Inc!

A huge part of what the hydraulic system in your transmission does is tell the mechanical components what to do and when to do it. Even if you don't understand how that works, our technicians at Harold's Used Auto Parts Inc in Philadelphia, PA have trained with the best to make sure they understand all the ins and outs of your system. We want you to understand what we're talking about when we talk to you about your vehicle so we'll break down some aspects of your hydraulic system.