Peter Meier discusses the importance of testing coolant and how mechanics can use simple strip testers to keep cooling systems safe.

Air filter elements come in a variety of shapes and designs, but which one is right for you?
With 84% approval, it’s the latest electoral show of support for providing owners and independent garages with more ability to repair motor vehicles.
Proper tooling and techniques are critical to repairing threads—and if you’re a mechanic, neither are marketed well to you.
Auto care news and advice you can use.
Why you should use standard operating procedures for customer communications.
There’s lot of advice out there about how to choose a reliable mechanic. We asked mechanics what they would advise.
They don’t build ‘em like they used to, and that’s a shame.
There are definitely useless sizes. Or are there?
Why does a set of steelies on the right vehicle hold such allure?
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Auto care news and advice you can use.
When plastic parts break, sometimes replacements can be prohibitively expensive or hard to find. Learn how to use a hot staple tool to salvage broken plastics for auto repairs and other projects.
There’s no magic bullet, but sometimes one or two answers is the difference between pass and fail.
Life can’t all be brake jobs and pre-delivery inspections. Beating time is the name of the game, but it doesn’t always work out. Watch as a few Dorman mechanics talk about the jobs that make more sweat than bread in this video.
Dressing chisels and punches, however, is a housekeeping task I’ve found not everyone knows they should be doing, and dress your punches and chisels!
There are two kinds of people in the world: race fans and people who haven’t watched these movies.
Spark plugs have a tough enough job to do—don’t make it any harder by servicing them improperly!
A scathing new analysis from the Mozilla Foundation says every single car brand failed its standards for security and respecting user privacy.
Repairing future failure points before they fail is a lucrative way to save your customers money, just like maintenance does.