It’s been asked of every new mechanic for more than a century. Does it matter in 2025?
														He also synthesized chlorofluorocarbons (CFCs).
Ever spot what appears to be a second oil filter under a vehicle? Lemmy and Nick discuss the advantages of spin-on transmission filters for fluid protection and service.
Peering inside the inner workings of a deceptively complex tool
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.
Do you lubricate the threads on spark plugs before installing them? Should you? Pete Meier explains the finer points of spark plug lube application for best results and OE service procedure compliance.
														Ready to grow your shop’s business with fleet maintenance, service and repairs?
														There are many types of punches. There’s a reason for that.
														A helpful video investigation of proper (and improper) torque wrench techniques and habits.
														It’s much more than just Christine.
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.
And the most misdiagnosed.
														It might be time to rethink oil changes.
														There’s two ways to use tire mounting compound.
														Get up to speed on a safety feature not often seen in the United States.
														The celebration of a magazine that was, for some, where their love of working on cars began.
Step up your repair game with sensible choices.
You can’t sell what you don’t understand.
A fluid transfer pump is the cleanest and easiest way to fill a differential, transmission or transfer case with its necessary fluid.