Shop Press - Auto Repair News & Ideas

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FEATURE STORY

Hot Off the Press

Low-mileage JDM automatics: Worthwhile or worthless? (VIDEO)

Description Nick and Lemmy check out a flex plate from an imported Japanese automatic transmission with very few miles under its belt. Even so, Nick explains why nobody really wants these transmissions or parts… and why many of them end up in the scrapyard.

Fuse box-compatible circuit breakers are the ultimate spares when space is limited

My brother and I both work in vehicle repair, and he sure got my attention when he gave me a set of resettable blade “fuses” to try out. These devices are actually fuse-shaped circuit breakers, and my new kit of six breakers goes up to 30A in 5A increments—just right...

Harmonic balancers – ASE practice questions (VIDEO)

Description Technician A says a defective harmonic balancer can affect the accuracy of ignition timing readings. Technician B says a defective harmonic balancer can damage the crank. Who is correct?More ASE Practice Questions

Easy tests for diesel exhaust fluid (DEF) contamination (VIDEO)

Description DEF is easy to contaminate, and fortunately, it's also easy to test. Check to be sure that your customers' DEF is up to spec with these simple tests.Related Videos

Technicians vs. DIYers: How well can you gauge tire pressure? (VIDEO)

Description After seating the bead on a new tire, the valve core needs to be installed and the tire inflated to the correct pressure. Some techs can air up a tire, install the core and land right on the target final pressure… but it’s not as easy as it looks. In this...

EVs go through tires quicker: here’s what that means for your shop.

Recently, my Shop Press colleague Andy wrote a piece about vehicle weights increasing and whether your lifts can handle it. Much of that increase in weight is due to hybrid and electric vehicles, which can be especially heavy with their batteries and motors. That...

Separate gasket – ASE practice questions (VIDEO)

Description Which of the following is LEAST LIKELY to require a separate gasket for installation?A) EGR valve B) Exhaust manifold C) Oxygen sensor D) TurbochargerMore ASE Practice Questions

Smarter, not harder: relative compression testing

Pete Meier, one of our Dorman Training Center instructors, is a pretty smart cat. Since the day I’ve met him, he’s made it clear that the lab scope is one of his favorite tools and that not using one is a mistake. Now I’ve put a lot of miles on my DVOM over the years,...

Power and Ground Testing on an Electrical Circuit

As ADAS becomes standard on modern vehicles, post-repair calibrations are a critical safety and legal requirement for every shop.

HOT OFF THE PRESS

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

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

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.

Commercials That Make Technicians and Dealers the Stars of the Show

Commercials That Make Technicians and Dealers the Stars of the Show

Here are some outlandish—and not so outlandish—examples of mechanic and dealership TV commercials.

Store stuff in your glove box? Thank automobile pioneer Dorothy Levitt (VIDEO)

Store stuff in your glove box? Thank automobile pioneer Dorothy Levitt (VIDEO)

Ever wonder why virtually all cars and trucks have glove boxes? A visionary woman and her little book about driving changed in-vehicle storage over a hundred years ago.

ABOUT 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. With interesting stories from around the world, features on creative people and solutions, and all kinds of other stuff that’ll make you use your mind and your hands.

SHOP STUFF

Auto care news and advice you can use.

The Story of Dagmar Bumpers

The Story of Dagmar Bumpers

Is this the only car part named after an actress?

Tools beyond the basics for DIYers

Tools beyond the basics for DIYers

Step up your repair game with sensible choices.

Transfer cases: how to talk to your customers

Transfer cases: how to talk to your customers

You can’t sell what you don’t understand.

Easy trick to transfer gear oil with a simple length of hose (VIDEO)

Easy trick to transfer gear oil with a simple length of hose (VIDEO)

A fluid transfer pump is the cleanest and easiest way to fill a differential, transmission or transfer case with its necessary fluid.

Bitten by a misfire

Bitten by a misfire

Formal education teaches you theory and the real world teaches you the rest.

Want to contribute an article to Shop Press?

Are you a wrench and a writer? A counterperson and a communicator? A service writer and a scribe? Get paid to share your experience and expertise with thousands of Shop Press readers.

SHOP STUFF

Auto care news and advice you can use.

The Real Meanings Behind OBD-II Diagnostic Trouble Codes (VIDEO)

The Real Meanings Behind OBD-II Diagnostic Trouble Codes (VIDEO)

By breaking down the structures used to create DTCs, you can learn how to “decode” beyond the simple descriptions presented by a scanner.

“Can you drive a stick?”

“Can you drive a stick?”

It’s been asked of every new mechanic for more than a century. Does it matter in 2025?

Five best car and truck tips from mechanics to non-mechanics (VIDEO)

Five best car and truck tips from mechanics to non-mechanics (VIDEO)

Want to make your vehicle last? Not sure how to talk to a shop about car repairs? Nick and Lemmy offer their five top recommendations.

Pulse width modulation and automotive lighting

Pulse width modulation and automotive lighting

Once the most basic of circuits, the humble lamp has also progressed.

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

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

Ready to grow your shop’s business with fleet maintenance, service and repairs?

VIDEOS

Basic Brake Fluid Testers Are Far More Sophisticated Than You’d Expect

Basic Brake Fluid Testers Are Far More Sophisticated Than You’d Expect

Peering inside the inner workings of a deceptively complex tool

Why We Take the Negative Battery Cable off First and Put It on Last (VIDEO)

Why We Take the Negative Battery Cable off First and Put It on Last (VIDEO)

Lemmy explains why this basic task always comes before removing the positive cable to help you understand the theory behind the practice.

Stress Test Vehicle Grounds

Stress Test Vehicle Grounds

Resistance is futile.