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Harmonic balancers – ASE practice questions (VIDEO)

Description Technician A says a defective harmonic balancer can affect the accuracy of ignition timing readings. Technician B says a defective harmonic balancer can damage the crank. Who is correct?More ASE Practice Questions

Technicians vs. DIYers: How well can you gauge tire pressure? (VIDEO)

Description After seating the bead on a new tire, the valve core needs to be installed and the tire inflated to the correct pressure. Some techs can air up a tire, install the core and land right on the target final pressure… but it’s not as easy as it looks. In this...

Smarter, not harder: relative compression testing

Pete Meier, one of our Dorman Training Center instructors, is a pretty smart cat. Since the day I’ve met him, he’s made it clear that the lab scope is one of his favorite tools and that not using one is a mistake. Now I’ve put a lot of miles on my DVOM over the years,...

Can’t break that crank bolt loose? You need a crank socket (VIDEO)

How to test for blown fuses in a car or truck | Fast and easy method Description Crank fasteners are often a real pain to remove. And sometimes, even expensive impact wrenches and large breaker bars struggle to remove them. A crank socket is just the ticket for these...

So you want to restore a classic or build a kit car? Think twice.

For reasons that have more to do with personality than pragmatism, I recently considered anew the possibility of restoring a classic car, or perhaps building a kit car. It’s an itch I’ve thought about scratching since the days when Popular Mechanics regularly featured...

PSA: Your customers are probably parking incorrectly

PSA: Your customers are probably parking incorrectly

It’s hard to tell someone they do something as basic as parking their car incorrectly. But I’m a charismatic guy, and I like a challenge, so I do this with customers and have for a long time. Why? Because the commonly accepted way of parking a car is pretty dangerous....
What do techs recommend for a “car crate?”

What do techs recommend for a “car crate?”

Many drivers on the road have what I call “car crates” or “car boxes”: the milk crate or cardboard box you keep in your car for auto needs. As a rather non-mechanically inclined individual, I have one in my car, which is primarily made up of things I use fairly...
Ew, gross: are there cars you won’t service?

Ew, gross: are there cars you won’t service?

“Just blow into the tube and it will start right up.” The owner’s car was fitted with an ignition interlock, a machine that would analyze one’s breath for alcohol prior to allowing the vehicle to start. It was a common court order for DUI offenders in that state....