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Tire Damage Assessment – ASE Practice Question (VIDEO)

Description Technician A is assessing tire damage in order to make a repair decision. A puncture is located at the edge of the tread block closest to the sidewall. Technician B says it can be repaired with a conventional tire plug. Technician A says the area of the...

Mastering the Numbers – Part 2

In our earlier article, Mastering the Numbers Part 1, we discussed why shop owners should understand the financial side of their business just as much as the technical side. We introduced the Cost of Doing Business (CODB) as an important baseline financial concept....

SLABs: Slow, Loud, and Bangin’

I love investigating specific subcultures, especially car subcultures. Doing so provides a unique lens through which to understand the complex dynamics of the broader society, including power, identity, defiance, and cultural change. Consider slab cars, for example....

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...

What’s Torque-to-Angle All About?

What’s Torque-to-Angle All About?

by | Sep 25, 2025

Torque-to-angle, also known as angle-torque or torque-plus-angle, is a fastening method that combines an initial torque application with a subsequent angular rotation to achieve precise bolt or fastener tension. This technique ensures consistent clamping force,...
Hybrid A/C Compressor Oil-ASE Practice Question (VIDEO)

Hybrid A/C Compressor Oil-ASE Practice Question (VIDEO)

by | Sep 23, 2025

Hybrid A/C Compressor Oil-ASE Practice Question (VIDEO) Description Technician A is working on a hybrid vehicle’s air conditioning system that utilizes a high voltage electrical compressor. Technician B says that only the oil specified by the vehicle manufacturer...
Troubleshooting a “No A/C Compressor Engagement” Fault

Troubleshooting a “No A/C Compressor Engagement” Fault

by | Sep 18, 2025

As the weather warms, more and more of your customers will be switching over their HVAC control settings to “max A/C”. If the system doesn’t respond by blowing that refreshing cool air into their faces, they will show up at your door to find out why. When faced with...
Do I Need a Tune-up?

Do I Need a Tune-up?

by | Aug 21, 2025

If you’re like me, you might cringe a little. More often than not, they’re hoping this magical procedure will fix some mysterious issue with their car. But let’s break it down: what is a tune-up, anyway? Most dictionaries describe a tune-up as “a general adjustment to...