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.

Proper tooling and techniques are critical to repairing threads—and if you’re a mechanic, neither are marketed well to you.
DIFM customers just won’t purchase this common underhood part.
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.
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.
I’m a slow learner. Don’t be like me.
There are two kinds of people in the world: race fans and people who haven’t watched these movies.
Hookin’ ain’t easy. Here’s what I wish I knew on Day 1.
Starting a shop and managing it to the big leagues require very different skills. Odds are you don’t have both, and that’s okay.
It’s the perfect tool for some jobs.
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.
Demagnetizers demystified.
The Proving Grounds crew is back again for a new grudge match in the garage called The Mystery Box.
CRASH Jewelry uses real fenders, doors and hoods from high-end vehicles to make cuffs, earrings, necklaces and more.
It’s up to you to tell them why.
How does your shop weigh the risk and reward of customer-supplied parts?
Repairing future failure points before they fail is a lucrative way to save your customers money, just like maintenance does.
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.