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PSA: Be Safe With Brake Cleaner

If you work in a shop (and if you’re reading this, chances are you do), you are undoubtedly familiar with brake cleaner. And, if you know the scent of brake cleaner, you probably know that using it is not great for your health if it comes in contact with your skin,...

Compression Testing | ASE Practice Questions (VIDEO)

Description Technician A has just completed a dry compression test of a four-cylinder engine. All four cylinders are below specification by about the same amount. After performing a wet compression test, values remained unchanged. What could cause this condition? A)...

When a Voltmeter Isn’t Enough (Video)

Description With the variety of electronically controlled systems on a modern automobile, the days when a test light or simple voltmeter was enough to diagnose problems are long gone. Using a digital storage oscilloscope (DSO) can make troubleshooting faster and more...

P0420/P0430—The #1 DTC in the Country

DTCs (Diagnostic Trouble Codes) P0420 and P0430 are generic industry codes and part of the OBD-II standards. The descriptor labels the code(s) “Catalytic Converter Efficiency Below Threshold – Bank 1 (or 2)”. And the number one part sold to repair this problem is a...

Troubleshooting Fuel Trim–ASE Practice Questions (VIDEO)

Description Technician A and Technician B are discussing ways to use fuel trim as a troubleshooting aid. Technician A says that fuel trims that are correcting for a lean condition at high RPM and load conditions indicates a problem in fuel delivery. Technician B says...

Add or Delete These Simple Parts to Help Customers Save Money

Looking for an easy way to win over your customers that they’ll enjoy every time they drive? Look at their vehicles from a hypermiler’s perspective. In case you haven’t heard the term before, the hypermiling community is obsessed with optimizing their vehicles’ fuel...

Are You Properly Checking Hub Bearings For Wear? (VIDEO)

Description The old “grab the wheel and shake” test you may have used for tapered bearings doesn’t apply for the hub bearings found on most of today’s vehicles. Pete Meier explains how a dial indicator is necessary for a true wear check.Related Videos

“Hot Rod Magazine: 75 Years” book review

“Hot Rod Magazine: 75 Years” book review

For some reason, my grade school library had a subscription to “Hot Rod” magazine. My suspicion has always been that it was one of the few magazine subscriptions for boys my age that was acceptable to have in the school library. Nevertheless, I spent a lot of time in...
Watch this video on the four stages of grief for mechanics

Watch this video on the four stages of grief for mechanics

You’ve likely heard of the psychological model called the five stages of grief. It’s used to describe the various emotions people might experience when dealing with a significant loss, and the the five stages of grief are commonly defined as denial, anger, bargaining,...
What does horsepower really mean? (VIDEO)

What does horsepower really mean? (VIDEO)

Horsepower is a strange measurement, isn’t it? Think about it. When was the last time you used a horse for any kind of work or travel? Like candlepower, the original horsepower attempted to express the output of a newer technology in comparison to its predecessor....
Sketching Skodas

Sketching Skodas

Instead of restoring vintage Czech cars made by Laurin & Klement (L&K), Stefan Ivanov sketches them. His desire to raise awareness of the brand in his home country of Bulgaria and abroad drove him to publish an illustrated history of L&K in 2019. Although...