An engine exhibits a knocking noise. During a cylinder power balance test, the noise abates. Which technician has the correct diagnosis?

It isn’t the “registration and insurance card box,” after all.
What do you check during drum brake service?
These simple tools can be worth their weight in gold if you know how to use ‘em.
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Lemmy explains why this basic task always comes before removing the positive cable to help you understand the theory behind the practice.
Two technicians are examining a tapping sound coming from a V6 engine. See who has the correct response about what’s causing the noise.
We’ve all heard the expression “buy once, cry once,” and for some auto parts, those are words of wisdom. For others, it might be an unnecessary expense.
When it is necessary to make your own gaskets, small bolt holes are often the trickiest features to cut.
Featuring state-of-the-art editing, this video is still relevant nearly a century later.
Are you a wrench and a writer? A counterperson and a communicator? A service writer and a scribe? Get paid to share your experience and expertise with thousands of Shop Press readers.
Auto care news and advice you can use.
Why build what you can buy inexpensively?
Smartphones, laptops, and computers are normally cleared of all data before selling or discarding to protect personal information.
How many times have you seen a hub dust cap with ugly dents from a sloppy installation? A dust cap tool is a handy tool for installing caps on customer vehicles without damaging the cap’s appearance.
Do your customers know the benefits of magnetic oil drain plugs? Swap out their standard drain plugs to help protect against unnecessary engine damage.
A customer states the brake pedal falls slightly when the brakes are applied while starting the engine. Which technician response is correct?
Study for your ASE exams with this quick practice question.
Brake fluid can wear out just like any other fluid.
The Rust Belt and the Salt Belt may sound similar, and you might even hear them used interchangeably, but they are distinct names that any automotive professional or enthusiast should know. Take a few seconds to get the real story on these terms.