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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Pulse width modulation and automotive lighting

I recently was talking to someone about how complex modern systems have gotten, and realized my unwilling conversational victim wasn’t sure why things had gotten so complex and if that was a good thing or not. “Even the lights are difficult!” the exasperated fella...

Top tips for car and truck fleet maintenance: what repair shops need to know (VIDEO)

Description Ready to grow your shop’s business with fleet maintenance, service and repairs? Fleets are a smart target when looking to boost the volume and predictability of your work. Get the information counterpeople, service writers, techs and shop owners need to...

Another specialty punch

Disclaimer: I purchased these tools at full retail price at my own expense, with no compensation to write about the items.If you read Shop Press regularly, you may be thinking, man, those guys really love punches. You wouldn’t be wrong. We’ve written about big huge...

Rules of the torque wrench, explained

I would bet that you and most other Shop Press readers have a pretty good handle on how to use a torque wrench. You aren’t going to get far in this industry without a proficient understanding of how to employ and care for these precision instruments. And if you’re...

The cars of Stephen King stories: books and film adaptations

Given how often Stephen King references cars in his books, it’s no surprise that he’s owned some classic cars himself, including a Cadillac El Dorado and a Lincoln Continental. But not all of the cars that he features in his books are of the killer variety: sometimes...

Shop Profile: Top Auto Center

Like a clueless lumberjack who couldn’t see the forest for the trees, it took me longer than it should have to figure out the secret to Top Auto Center’s success. It was hiding in plain sight and sound in the overflowing lot of cars and trucks awaiting service, sale...

Are you servicing your car’s oil correctly?

What are the top two causes of premature engine wear and engine component failure? The first is lack of maintenance, specifically going too long between oil changes. Whether you’re taking care of the family grocery hauler or you do this kind of work for a living, it...

No bead seating tank? No problem!

If you’re a tech of a certain age, you’ll remember a time when a bead seating air tank was a somewhat exotic tool. Today, seating low-pro tires that have sidewalls resembling rubber bands is the norm and use of tools beyond the bead seater on the tire machine is the...