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
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.
Mechanic trivia: Which vehicle has a longer passenger side wiper blade? (VIDEO)
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?
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SHOP STUFF
Auto care news and advice you can use.
Check Engine Light On?
Grab a generic OBD-II scan tool and take these first steps to turn it off and keep it off.
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.
How to crimp heavy gauge wire (VIDEO)
Working on some battery cables or custom ground straps? A proper tool like Dorman’s 90707 heavy lug crimper has you covered.
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.
The Other Way to Use a File that Many Mechanics Don’t Know (VIDEO)
Need a smooth finish on a part you’re cleaning up with a file? Lemmy shows how draw filing can achieve a clean result with a totally different method of holding a traditional file.
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.
Why auto mechanics should check cabin air filters in every vehicle (VIDEO)
Air filters are an easy service item to overlook, but most manufacturers recommend a new filter every year or 15,000 miles.
VIDEOS
“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.
Why you shouldn’t throw out zip tie tails after a project (VIDEO)
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.