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

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

If you’re a vehicle owner or auto repair professional in the United States, odds are that you haven’t seen (or even used) rear fog lights on a vehicle. The vast majority of vehicles sold in the US do not include them, and in some cases, the feature is disabled or the...
What is a core charge?

What is a core charge?

The article title is a question I asked when I was a young counterman, and most of you oldtimer mechanics and parts people of course know the story: the core charge is a way to be sure the smoked part makes its way back to the parts counter. A core charge is a deposit...
Watch this video on the invention of the Ford V-8 engine

Watch this video on the invention of the Ford V-8 engine

If you enjoy pioneering developments in automobile history, this video on the development of Ford’s V8 engine is a must-watch. It’s a bit on the long side (a little over an hour), but it’s well worth your time to fully appreciate this revolutionary success in Ford—and...
How to install a brake cable slack eliminator (VIDEO)

How to install a brake cable slack eliminator (VIDEO)

How to install a brake cable slack eliminator (VIDEO) Description If your parking brake is weak or not working at all, a stretched cable is usually the issue. The Dorman 03006 parking brake slack eliminator is a quick and easy way to restore brake function. Related...