Shop Press - Auto Repair News & Ideas

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FEATURE STORY

Hot Off the Press

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,...

Can’t break that crank bolt loose? You need a crank socket (VIDEO)

How to test for blown fuses in a car or truck | Fast and easy method Description Crank fasteners are often a real pain to remove. And sometimes, even expensive impact wrenches and large breaker bars struggle to remove them. A crank socket is just the ticket for these...

Should You Charge More When Dealing with Tire Sealant? (VIDEO)

Learn why it’s not a bad idea to charge a little more for the hassle.

HOT OFF THE PRESS

The Tightwad’s Way To Install Any Wheel Bearing Race

The Tightwad’s Way To Install Any Wheel Bearing Race

Stop beating your sockets to death.

Shop Profile: Locked N Loaded 4×4

Learn about a shop that’s making Jeeps all they can be.

Why you should empty the master cylinder before bleeding brakes (VIDEO)

Why you should empty the master cylinder before bleeding brakes (VIDEO)

Removing old fluid from a vehicle’s braking system can be a time-consuming chore, but it doesn’t need to be.

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.

P0420/P0430—The #1 DTC in the Country

P0420/P0430—The #1 DTC in the Country

And the most misdiagnosed.

Are you servicing your car’s oil correctly?

Are you servicing your car’s oil correctly?

It might be time to rethink oil changes.

No bead seating tank? No problem!

No bead seating tank? No problem!

There’s two ways to use tire mounting compound.

What are rear fog lights, and when should you use them?

What are rear fog lights, and when should you use them?

Get up to speed on a safety feature not often seen in the United States.

“Hot Rod Magazine: 75 Years” book review

“Hot Rod Magazine: 75 Years” book review

The celebration of a magazine that was, for some, where their love of working on cars began.

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.

Misfire Cause–ASE Practice Questions (VIDEO)

Misfire Cause–ASE Practice Questions (VIDEO)

Technician A is diagnosing a misfire. He states that a misfire is caused by a fault in the ignition system and that new plugs and coils will repair the problem. Technician B says that a misfire is detected when the ECM detects a variation in crankshaft speed.

Watch this video on the four stages of grief for mechanics

Watch this video on the four stages of grief for mechanics

A Facebook reel that applies a psychological model to wrenching.

The first step I now take in vehicle diagnostics

The first step I now take in vehicle diagnostics

I’m a slow learner. Don’t be like me.

PSA: Stop throwing away brake rotor screws

PSA: Stop throwing away brake rotor screws

They’re real important for two separate reasons.

What tools do you keep in your road box for car repair? (VIDEO)

What tools do you keep in your road box for car repair? (VIDEO)

Do you have a toolbox ready to go for repairs on the road? What do you keep in it?

VIDEOS

“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.