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Brake booster valve – ASE practice questions (VIDEO)

Description A customer states the brake pedal falls slightly when the brakes are applied while starting the engine. Technician A says that a faulty brake booster check valve may be to blame. Technician B says this can be caused by a leaking brake booster diaphragm....

The final days (and cars) of AMC

In the last days of AMC, two employees brought a video camera into the Kenosha, Wisconsin plant to document the end of an era. Billy and Danny take a thorough tour of the old AMC buildings and production line, which was producing its last L-body Plymouth Horizons and...

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...

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...

The importance of testing engine coolant (VIDEO)

How to test for blown fuses in a car or truck | Fast and easy methodDescription Dorman Training Center instructor Pete Meier explains why you should be testing engine coolant on vehicles in your bay. With a simple test strip, you can quickly check the coolant's health...

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...

What it’s like being a new tech in 2022 (VIDEO)

What it’s like being a new tech in 2022 (VIDEO)

by | Sep 13, 2022

What it’s like being a new tech in 2022 (VIDEO) Description Torque specs. Electronics diagnostics. Foreign automobiles. 12V electrical systems. TPMS sensors. Disc brakes. 0W16 oil. All of the aforementioned technologies were changes that occurred in the...
It’s time to stop salting the roads

It’s time to stop salting the roads

by | Sep 8, 2022

  I was just thinking today that my “fun vehicle” window is closing soon; this is the period of the year where I’ll drive or ride anything I own. Old vehicles don’t stand a chance in the salt belt. Anyone I know who has anything nice keeps it far away from...
Nine notable “cars” that aren’t cars

Nine notable “cars” that aren’t cars

by | Aug 30, 2022

Recently, I’ve been seeing a lot of Polaris Slingshots on the road. OK, not a ton of them, but I do take notice of them when I see them. Usually it makes me think, “What is the deal with those things? Are they cars or not?” When I looked into it, I discovered there...