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
Virgil Exner: The creator of Chrysler’s “forward look”
Exner was responsible for the look of cool cars of the late 1950’s, not just at Chrysler, but at other automakers as well.
Noisy disc brakes – ASE practice questions (VIDEO)
What causes brake noise?
Fuel pump designs are changing. Do you know what kind of fuel pump you’re troubleshooting?
Many vehicles today have made the switch to DC brushless fuel pumps. They don’t work like the older brush-type pumps do.
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.
Dead Battery? (Video)
Diagnosing the cause of a battery drain can be a challenge today.
New to the team but not new to the business (VIDEO)
A Master Technician and nationally known trainer joins the Shop Press family. Say hello to Pete Meier!
Square drive: make or buy before you need ‘em
Female metric square drive plugs were new to me. They might be to you, too.
Customer states truck was vandalized… Do you know what happened here? (VIDEO)
Each line item confirms it—cheating doesn’t pay.
Watch this video on the invention of the Ford V-8 engine
Ford made a V-8 engine affordable to the mass market consumer for the first time.
Want to contribute an article to Shop Press?
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.
Betcha Haven’t Serviced the Tool You Use on Every Job
The most dangerous piece of equipment in a shop is often the most neglected.
Should you use anti-seize when installing spark plugs? (VIDEO)
Using a lubricant when installing spark plugs was once common practice, but today, you might want to think twice before adding anything to your spark plug threads.
Snap-on to expand Tennessee manufacturing plant
Company makes $44 million investment to expand plant.
Tire service tips (that aren’t just for new technicians)
The habits you form first can be the hardest ones to break.
TECHNICIAN CHALLENGE: The Mystery Box, Part 2
The Proving Grounds crew takes on another round of The Mystery Box Challenge with new parts and a few new faces.
VIDEOS
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.