Your multimeter is a versatile tool. But for certain diagnostics, you need an oscilloscope to get a closer look at a vehicle’s electrical systems.
What an oscilloscope shows that your DVOM can’t (VIDEO)
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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
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)
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
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)
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...