It’s been asked of every new mechanic for more than a century. Does it matter in 2025?

What causes brake noise?
Almost every vehicle on the road has a longer wiper blade on the driver side. On older vehicles, you’ll also see two of the same size wipers working together. But can you think of any models that have the longer wiper blade on the passenger side?
What does “MIN THK.” really mean?
Chefs know a helpful hack to keep spaghetti from falling out of an opened bag, and the same idea happens to work perfectly for zip ties. Give it a try next time you have a pack of zip ties that doesn’t have a resealable closure.
Study for your ASE exams with this quick practice question.
The Rust Belt and the Salt Belt may sound similar, and you might even hear them used interchangeably, but they are distinct names that any automotive professional or enthusiast should know. Take a few seconds to get the real story on these terms.
Auto repair pros probably know the expression “buy once, cry once,” and for some tools, techs should buy the best they can afford.
An engine exhibits a knocking noise. During a cylinder power balance test, the noise abates. Which technician has the correct diagnosis?
A playlist of videos from a recent trip to a Dorman contributor’s personal shop.
Before you toss those zip tie scraps in the trash, consider saving them for plastic repair jobs. In many cases, the plastic used in zip ties will bond with common automotive plastics with the help of a soldering iron.
Which of the following is LEAST LIKELY to cause an oil leak? Our technicians have the answer.
Nick and Lemmy check out a flex plate from an imported Japanese automatic transmission with very few miles under its belt.