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.

There are a lot of ways to approach the business of servicing the car in front of you. Which one is king?
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.
Auto care news and advice you can use.
Just because it says “DOT 4” on the bottle doesn’t mean it’s the correct DOT 4 for the vehicle.
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.
We read the astrological signs and predicted your automotive future.
The Proving Grounds crew is back again for a new grudge match in the garage called The Mystery Box.
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.
Removing old solder is a crucial part of preparing a component for a new soldered connection, and a desolder pump (often called a solder sucker) is the ideal tool for the job.
It’s up to you to tell them why.
How does your shop weigh the risk and reward of customer-supplied parts?
Largely supercar fare, wild points of entry have no shortage of variety.
A shop foreman who did it for a year gained some firsthand experience that might help you answer the question.
The cabin air filter is arguably the most overlooked filter on the car.
The appearance of off-road prowess while maintaining on-road comfort is what motorists want. Tire salesmen, take advantage.
A recent J.D. Power study found that a few simple amenities in your service center’s lobby go a long way toward making your customers want to come back, but few businesses have them.