It’s been asked of every new mechanic for more than a century. Does it matter in 2025?
The unique culture of slab cars.
When the resistance of a circuit is decreased and voltage remains constant, what happens to current?
This British engineer changed racing forever by making cars lighter, not more powerful.
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.
Find out when plastic intakes go bad, and why you should or shouldn’t replace one.
Pete Meier explains how a dial indicator is necessary for a true wear check.
Four proven ways to run a tighter ship at your shop.
Technician A is diagnosing a misfire. He states that a misfire is caused by a fault in the ignition system and that new plugs and coils will repair the problem. Technician B says that a misfire is detected when the ECM detects a variation in crankshaft speed.
The commander-in-chief’s road transportation, from LBJ’s Lincoln Continental to “The Beast.”
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.
Learn how to pinpoint common Prius coolant leak sources with step-by-step diagnostic tips from the shop floor.
The commander-in-chief’s road transportation, from Pierce-Arrow cars to the Kennedy Lincoln Continental.
Diagnosing the cause of a battery drain can be a challenge today.
Grab a generic OBD-II scan tool and take these first steps to turn it off and keep it off.
Patching a punctured tire is a common job, but are you up to date on the latest guidance for safe plug locations?
On a hybrid vehicle’s air conditioning system that utilizes a high voltage electrical compressor, can only the oil specified by the vehicle manufacturer be used in the compressor or is PAG oil acceptable for use in an electric vehicle’s compressor?
Why a compressor clutch doesn’t engage, and tips to find the cause quickly.
Pete Meier explains how vehicle usage and oil/filter quality should affect your maintenance schedules.