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

Smokin’ tires and smokin’ stacks!
You know what bump steer is. Where does it originate?
You don’t want to sell every job. Trust me.
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Any technician will have a few files in the toolbox for material removal jobs. But are you using these tools with the correct technique?
Do you have a study guide to prepare for your ASE exams? Which parts of that study guide do you use the most? Dorman Training Center instructor Pete Meier explains.
Why wouldn’t your shop purchase a few of these?
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.
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.
He also synthesized chlorofluorocarbons (CFCs).
Featuring state-of-the-art editing, this video is still relevant nearly a century later.
Which of the following is the most critical result of a rust hole in an exhaust system?
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.
What does “MIN THK.” really mean?
Don’t waste your time with codebreaking. Just grab a paint pen.
Chefs know a helpful hack to keep spaghetti from falling out of an opened bag, and the same idea happens to work perfectly for zip ties. Give it a try next time you have a pack of zip ties that doesn’t have a resealable closure.