Which of the following is LEAST LIKELY to cause an oil leak? Our technicians have the answer.

An engine exhibits a knocking noise. During a cylinder power balance test, the noise abates. Which technician has the correct diagnosis?
We’ve all heard the question that starts like this. So will you lend tools?
A playlist of videos from a recent trip to a Dorman contributor’s personal shop.
Auto care news and advice you can use.
You can’t sell what you don’t understand.
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.
The habits you form first can be the hardest ones to break.
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.
Want to make your vehicle last? Not sure how to talk to a shop about car repairs? Nick and Lemmy offer their five top recommendations.
Air filters are an easy service item to overlook, but most manufacturers recommend a new filter every year or 15,000 miles.
There are applications for shims besides fixing camber and panel gaps.
Faults in the car pay you. Faults in the scanner cost you.
If you’re an experienced technician, you may feel as though you’ve seen everything, but don’t let your knowledge prevent you from learning more.
Analyzing a new trick I learned from an old dog.
Crank fasteners are often a real pain to remove. Mechanics with expensive impact wrenches and large breaker bars struggle to remove them—but there’s a better way.
Unless you’re a professional mechanic or a hardcore DIYer, I suggest you focus on building memories instead of a car.