DEF is easy to contaminate, and fortunately, it’s also easy to test. Check to be sure that your customers’ DEF is up to spec with these simple tests.
Easy tests for diesel exhaust fluid (DEF) contamination (VIDEO)
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HOT OFF THE PRESS
Buy once, cry once: Don’t cheap out on these auto repair tools (VIDEO)
Auto repair pros probably know the expression “buy once, cry once,” and for some tools, techs should buy the best they can afford.
Engine knock – ASE practice questions (VIDEO)
An engine exhibits a knocking noise. During a cylinder power balance test, the noise abates. Which technician has the correct diagnosis?
“Can I borrow a…”
We’ve all heard the question that starts like this. So will you lend tools?
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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.
SHOP STUFF
Auto care news and advice you can use.
Do You Know the Right Way to Use Rasps and Files? (VIDEO)
Any technician will have a few files in the toolbox for material removal jobs. But are you using these tools with the correct technique?
One lesson is harder for more experienced techs to learn than their rookie counterparts (VIDEO)
If you’re an experienced technician, you may feel as though you’ve seen everything, but don’t let your knowledge prevent you from learning more.
Give your customers extra grease
Especially for your mechanically-inclined clientele, sometimes a fingerful of clean grease is a lifesaver.
This tungsten scraper is my new favorite tool.
A fellow YouTuber recommended it. Why not give it a try?
Polishing headlights vs. replacing them! (VIDEO)
Two solutions for yellowed, hazy headlights.
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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.
SHOP STUFF
Auto care news and advice you can use.
Watch This Video on the Inventor Who Put Lead in Gasoline
He also synthesized chlorofluorocarbons (CFCs).
What’s the deal with permanent and lifetime antifreezes? (VIDEO)
Shop Press’ Andy Greaser breaks down permanent antifreeze and today’s coolant for your vehicles.
Vehicle weights are increasing. Can your lifts handle it?
As new cars and trucks, especially EVs, get heavier than ever, it’s important to check your lift’s rating and condition.
Diagnostics case study: don’t overcomplicate things
One basic vehicle checkover has several lessons to teach.
Do you mind working on customer vehicles equipped with dash cams?
As dashboard cameras become more common, repair professionals should know how to deal with them.
VIDEOS
Separate gasket – ASE practice questions (VIDEO)
Which of the following is LEAST LIKELY to require a separate gasket for installation?
Smarter, not harder: relative compression testing
Analyzing a new trick I learned from an old dog.
Can’t break that crank bolt loose? You need a crank socket (VIDEO)
Crank fasteners are often a real pain to remove. Mechanics with expensive impact wrenches and large breaker bars struggle to remove them—but there’s a better way.