Two technicians are examining a tapping sound coming from a V6 engine. See who has the correct response about what’s causing the noise.

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?
In November 1988, two employees snuck a camera into AMC’s Kenosha plant for a farewell tour.
Shop Press is the news and idea hub for everything related to working on cars and trucks, focusing on repair, technology, and wrenching lifestyle. With interesting stories from around the world, features on creative people and solutions, and all kinds of other stuff that’ll make you use your mind and your hands.
Auto care news and advice you can use.
The right tools will expand your capabilities and help you to tackle more advanced jobs, but it’s not always easy to know where to start.
If your customers can’t easily find your location, hours, or contact information, you’ll clearly struggle to earn their business. Here is a tip to help.
Think you know your dash lights? Shop Press contributors Keith, Miriam, Chris, and Greaser try their best to identify all kinds of lights, symbols, and indicators.
Spark plugs have a tough enough job to do—don’t make it any harder by servicing them improperly!
A scathing new analysis from the Mozilla Foundation says every single car brand failed its standards for security and respecting user privacy.
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.
There are many types of punches. There’s a reason for that.
Accessory belt drive evolution can provide some clues for the most efficient way to get a customer back on the road.
Although I love the look of chrome on cars, there are very good reasons why it’s not used much anymore.
Copycat Loctite is more common than you’d think. Learn how to check for counterfeit products.
The “best” parts for the job are highly dependent on the environment in which they operate.
Working on some battery cables or custom ground straps? A proper tool like Dorman’s 90707 heavy lug crimper has you covered.
Using a lubricant when installing spark plugs was once common practice, but today, you might want to think twice before adding anything to your spark plug threads.
Company makes $44 million investment to expand plant.