It’s been asked of every new mechanic for more than a century. Does it matter in 2025?
What were the most popular posts this year?
A tappy valve is a happy valve!
Why clearing bolt holes of contaminants matters.
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Auto care news and advice you can use.
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Pete Meier explains why these single-use bolts should always be replaced for safety and proper function.
Customer satisfaction surveys should be clear, concise, and targeted.
Technician A completed a compression test, noting high readings suggest an exhaust restriction, while Technician B says the test checks volumetric efficiency.
When a customer rolls into your shop and asks for a “tune-up,” what’s your first reaction?
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.
Casual communication can have formal consequences.
Brake cleaner is loved by techs (for good reason), but make sure you’re taking safety precautions.
All four cylinders are below specification by about the same amount. After performing a wet compression test, values remained unchanged. What could cause this condition?
Many high-end scan tools come with a capable digital storage oscilloscope. Time to put that tool to work.
Did you know that a modern fuel injection system can fire off multiple sprays in the same time it takes for a spark to jump across a plug?
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.