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Hot Off the Press

Decreasing Circuit Resistance – ASE Practice Question (VIDEO)

Description When the resistance of a circuit is decreased and voltage remains constant, what happens to current? What is the correct answer?A) It goes downB) It stays the sameC) It goes upD) It varies depending on the meter usedRelated Videos

Colin Chapman: The Philosopher of Motion (Part 2)

In Part 1 of this piece, we looked at Colin Chapman’s career up to the mid-60s. In this part, we’ll pick it up in 1965.Lotus wins the Indianapolis 500 In 1965, Chapman and Clark teamed up and made more racing history, this time across the pond at the Brickyard. Their...

How Often Should You Really Flush Coolant? (VIDEO)

Description How do you know when it’s time to flush coolant? Technicians may have different views on the subject, but Dorman Training Center instructor Pete Meier explains how using a test strip at every service is a surefire way to get an accurate picture of the...

Colin Chapman: The Philosopher of Motion (Part 1)

Car designers have a lot of brain synapses firing. Some designers are driven by the pursuit of beauty, while others are motivated by the pursuit of speed. Giorgetto Giugiaro, Marcello Gandini, and Battista Pininfarina, though responsible for cars that raced, were...

Maximum Voltage Reading – ASE Practice Question (VIDEO)

Description Technician A is using the min/max function of a digital voltmeter to test the battery and charging system on a customer’s vehicle. He notes a max reading of 17.2 volts has been recorded. Technician B says that the alternator has failed and is overcharging....

The Story of Dagmar Bumpers

If you’ve read my work here on Shop Press, you know I’m a sucker for chrome and mid-century automotive design. This week, I'd like to take a look at one of my favorite examples of that era: "Dagmar bumpers," the colorfully common slang used to describe the...

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

Description Aerosolized tire sealant is widely available, and in some vehicles, it is used in place of a full-size spare. While this “tire repair in a can” might be the best solution in a jam, it creates a messy, stinky situation for a tech changing the tire for a...

An Ode to “Car Talk”

Back in the early aughts, I lived in the Washington, D.C. area for about nine years. Since my parents live in Pennsylvania, this necessitated many three-and-a-half-hour drives (as little as three, if I was lucky) back home for holidays or just a regular visit. At the...

Diesel and DEF – ASE Practice Question (VIDEO)

Technician A says an empty DEF tank can cause a no-start condition. Technician B says DEF quality should be checked when SCR faults are present. Who is correct?

HOT OFF THE PRESS

Don’t Overlook the Elementary

Don’t Overlook the Elementary

Draw a hard line when it comes to basic diagnostics.

ADAS Alignment and Calibration – ASE Practice Question (VIDEO)

ADAS Alignment and Calibration – ASE Practice Question (VIDEO)

Technician A says thrust angle must be set to zero on many ADAS-equipped vehicles during alignment. Technician B says the steering angle sensor and front wheel position must be correct before camera or radar calibration. Who is correct?

What are Federal Motor Vehicle Safety Standards (FMVSS) and Why are They Important?

What are Federal Motor Vehicle Safety Standards (FMVSS) and Why are They Important?

A nationwide framework of safety regulations has transformed vehicle design and saved countless lives since its introduction in 1968.

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.

Cabin Filters – ASE Practice Question (VIDEO)

Cabin Filters – ASE Practice Question (VIDEO)

Technician A says cabin air filters protect occupants from 200+ contaminants, while Technician B says they protect the evaporator core from blower motor particles.

Tool Review: Permatex 25240 Thread Locker

Tool Review: Permatex 25240 Thread Locker

Can there be one threadlocker color to rule them all?

Try Doing It the Wrong Way

Try Doing It the Wrong Way

When it comes to threaded items, wrong is right. Or is it left?

Modern Power Window Switches: Smarter than You’d Think

Modern Power Window Switches: Smarter than You’d Think

Window buttons and toggles are going the way of the dodo. That’s by design.

It’s All About the Process

It’s All About the Process

To reach a successful diagnostic conclusion, you have to follow the right diagnostic path.

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SHOP STUFF

Auto care news and advice you can use.

For Over 50 Years, France Required Yellow Headlights … Until Science Disagreed

For Over 50 Years, France Required Yellow Headlights … Until Science Disagreed

An attempt at improving driver safety might not have worked as intended, but it sure gave a distinctive look.

Dealing with “System Lean” DTCs

Dealing with “System Lean” DTCs

“System lean” diagnostic trouble codes are among the top 10 codes faced by techs.

Back Away from the Wrenches

Back Away from the Wrenches

“Drive it ‘til the wheels fall off” isn’t the safest decision. So when does it end?

The Misunderstood Ford 6.0

The Misunderstood Ford 6.0

Is the Ford 6.0-liter PowerStroke really worthy of its nickname, the “Sick-O?”

Side Business

Side Business

Don’t leave alternative vehicles on the sidelines.

VIDEOS

Try Doing It the Wrong Way

Try Doing It the Wrong Way

When it comes to threaded items, wrong is right. Or is it left?

Modern Power Window Switches: Smarter than You’d Think

Modern Power Window Switches: Smarter than You’d Think

Window buttons and toggles are going the way of the dodo. That’s by design.

It’s All About the Process

It’s All About the Process

To reach a successful diagnostic conclusion, you have to follow the right diagnostic path.