Jonathan Roth, Author at Shop Press

Shop Press is the news and idea hub for everything related to working on cars and trucks, focusing on repair, technology, and wrenching lifestyle.

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A History of the U.S. Presidential State Car (Part 1)

The U.S. presidential state car (aka "The Beast", "Cadillac One", "First Car", and codename "Stagecoach") is an unmistakable symbol of our nation’s executive branch. Since we had a presidential inauguration this year, I thought it would be a good time to look at the...

Dead Battery? (Video)

Description With dozens of electronic control units on automobiles built in the last 25 years, incidents of battery drain caused by an ECU that will not turn off when it is supposed to are on the rise. Tracing the ultimate cause can be made easier, though, if you know...

Check Engine Light On?

Diagnosing an illuminated check engine light (CEL) is something professional technicians do on an everyday basis. The key to a correct diagnosis is following a logical diagnostic process and gathering the information you need to isolate and repair the cause. The...

Which Parts of a Tire Are Safe to Patch? The Answer Has Changed (VIDEO)

Description Patching a punctured tire is a common job, but are you up to date on the latest guidance for safe plug locations? Pete Meier explains how a plug’s safety can be compromised if it is installed too close to the edges of the tread.Related Videos

CDK Global Outage: The Aftermath.

Nobody wants to hear it, but cyberattacks and ransomware are part of a complicated new reality for the digital systems supporting the auto repair industry. Are you prepared? Months after the CDK Global outage ravaged the auto repair industry, there are still lingering...

DIYers: Yes, You Can Handle a Window Regulator Replacement

I’ve had an ongoing disagreement with a few of my Shop Press colleagues for some time now. Personally, I believe that replacing a window regulator is a perfect job for a DIYer. I mean, I’ve done them myself, and I barely even consider myself a DIYer. However, some of...

Betcha Haven’t Serviced the Tool You Use on Every Job

The most dangerous thing we do all day long is one most of us don’t think about: we raise a vehicle weighing a ton or three high in the air and work beneath it. And yet, lifts aren’t maintained well in most shops. I’ve seen lifts out of plumb, bent legs, lifts with...

The Other Way to Use a File that Many Mechanics Don’t Know (VIDEO)

Description Need a smooth finish on a part you’re cleaning up with a file? Lemmy shows how draw filing can achieve a clean result with a totally different method of holding a traditional file.