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Minimum rotor thickness – ASE practice questions (VIDEO)

Description Technician A says the minimum rotor thickness specification etched into a disc is the minimum thickness beyond which a brake rotor should not be used. Technician B says the number indicates the minimum thickness to which the rotor can be machined. Who is...

Using a spaghetti trick to keep zip ties organized (VIDEO)

Description Chefs know a helpful hack to keep spaghetti from falling out of an opened bag, and the same idea happens to work perfectly for zip ties. Give it a try next time you have a pack of zip ties that doesn’t have a resealable closure.Related Videos

Book review: “Pump and Circumstance”

Recently I was organizing my books on a new bookshelf and came across one that I had almost forgotten about. I picked it up after seeing an exhibition called “See the USA: Automobile Travel and the American Landscape” at the Building Museum when I lived in D.C. The...

Piston rings – ASE practice questions (VIDEO)

Description Which of the following statements about piston rings is incorrect? A) End gaps must be evenly spaced around the piston B) Rings are installed on the piston using a ring compressor C) Rings must be installed facing the correct vertical direction D) End gap...

The most important fluid in the car and how to test it.

Of all the fluids a vehicle needs, the brake fluid is arguably the most important. Inspecting your customers’ brake fluid is vital to the continued safe operation of the braking system. It’s a service you should perform not only when you’re servicing the brakes but as...

Rust belt vs salt belt: Do you know the difference? (VIDEO)

Description The Rust Belt and the Salt Belt may sound similar, and you might even hear them used interchangeably, but they are distinct names that any automotive professional or enthusiast should know. Take a few seconds to get the real story on these terms.Related...

How do you inspect a serpentine belt for wear?

How do you inspect a serpentine belt for wear?

Performing a visual inspection of a car part is usually the first step in assessing its condition. In the case of the serpentine belt, any sign of physical damage to the belt means the belt should be replaced, and may indicate the need to more closely inspect the...
How to use a refractometer

How to use a refractometer

I used to feel real dumb when I didn’t know what a tool was. After fixing things for a bit, I have come to learn that there are a lot of specialized tools and the only dumb thing is not learning about them. So when Dorman Trainer Pete Meier showed up recently with a...
Transfer cases: Married vs. divorced FAQ (VIDEO)

Transfer cases: Married vs. divorced FAQ (VIDEO)

There is a paucity of divorced transfer cases fitted to vehicles traversing the roadways in 2024. In fact, some technicians—especially younger ones—aren’t even aware a setup beyond the married arrangement exists. If you’re unfamiliar with them, our own Technical...
Square drive: make or buy before you need ‘em

Square drive: make or buy before you need ‘em

As a new tech, all I did was borrow tools from mechanics who were good to me. They usually lent and trained me on etiquette just after. (If you need to borrow it more than once or twice, maybe you ought to buy your own.) It’s not that often that I find myself without...
Tire service tips (that aren’t just for new technicians)

Tire service tips (that aren’t just for new technicians)

Recently I had occasion to watch the following video from Dorman Training Manager (and ASE Master Tech) Pete Meier: I was fortunate enough to be there live and talk to Pete after he was done shooting, and this video really stuck with me. If you think about it, the...
Don’t let your scanner go unprotected

Don’t let your scanner go unprotected

This article is a quick reminder to buy (and use!) a surge protector on your (or your shop’s) scan tool(s). The modern vehicle scanner has WiFi, a screen, and touch input. It is, for all intents and purposes, a computer, and it doesn’t like “dirty” power. Protect it...