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
Rules of the torque wrench, explained
A helpful video investigation of proper (and improper) torque wrench techniques and habits.
The cars of Stephen King stories: books and film adaptations
It’s much more than just Christine.
Shop Profile: Top Auto Center
Just when you thought The Golden Rule was out of style, this independent repair shop and used car sales center proves otherwise.
ABOUT SHOP PRESS
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.
Why Your Shop Should Be Using Loaded Knuckles to Save Time and Money
Loaded knuckles streamline wheel bearing and suspension repairs to help shops boost efficiency and profitability.
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?
A visit to Elite JDM (VIDEO)
A playlist of videos from a recent trip to a Dorman contributor’s personal shop.
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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.
Modern Power Window Switches: Smarter than You’d Think
Window buttons and toggles are going the way of the dodo. That’s by design.
Oil leak – ASE practice questions (VIDEO)
Which of the following is LEAST LIKELY to cause an oil leak? Our technicians have the answer.
Stainless doesn’t mean stain-proof; just ask Tesla Cybertruck owners
Spoiler alert: be careful running it through the car wash.
Low-mileage JDM automatics: Worthwhile or worthless? (VIDEO)
Nick and Lemmy check out a flex plate from an imported Japanese automatic transmission with very few miles under its belt.
Fuse box-compatible circuit breakers are the ultimate spares when space is limited
Throw a set of these resettable “fuses” in your toolbox.
VIDEOS
Fronting & facing and staging orders: the fast track to the wholesale parts counter
Putting up freight and pulling orders is more than busywork. It’s tuition.
Watch how magnetizer/demagnetizer tools work in this excellent video
Demagnetizers demystified.
Tool review: Klein 3255 bull pin
You can’t beat it. Well, actually, you can.