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
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Auto care news and advice you can use.
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?
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.
Once the most basic of circuits, the humble lamp has also progressed.
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.
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Auto care news and advice you can use.
Four proven ways to run a tighter ship at your shop.
It’s much more than just Christine.
Just when you thought The Golden Rule was out of style, this independent repair shop and used car sales center proves otherwise.
It might be time to rethink oil changes.
There’s two ways to use tire mounting compound.
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.