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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...

Are automakers starting to rethink OTA microtransactions?

Are automakers starting to rethink OTA microtransactions?

by | Dec 19, 2023

Over a year ago, I wrote a piece on this very media hub about the trend of auto manufacturers offering customers over-the-air (OTA) microtransactions to unlock options on their vehicles. I talked about what Tesla, BMW, VW, and Kia had introduced in that area, and...
Ten (sort of serious) questions every service writer should ask

Ten (sort of serious) questions every service writer should ask

by | Dec 7, 2023

At its core, writing service is information synthesis—collect, sort, simplify, regurgitate, repeat. Obtaining the raw information from techs and customers alike relies on prompts, usually in the form of a question. The correct question asked at the correct time pays...
The one part of the car you’ll never install for a customer

The one part of the car you’ll never install for a customer

by | Nov 7, 2023

The title is a bit clickbait-y, but I won’t drag this out. Let me tell you about a part you’ll never get a repair customer to buy willingly: the hood strut. Photo: Mike Apice. How many times have you been working on something, and the hood comes down and clonks ya...