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
How to choose a memory saver tool for cars and trucks
These simple tools can be worth their weight in gold if you know how to use ‘em.
Welding tips for automotive repair: What you need to know (VIDEO)
Any auto repair shop worth its salt has at least one welding rig to handle all kinds of jobs.
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.
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SHOP STUFF
Auto care news and advice you can use.
Troubleshooting Fuel Trim–ASE Practice Questions (VIDEO)
Technician A and Technician B are discussing ways to use fuel trim as a troubleshooting aid. Technician A says that fuel trims that are correcting for a lean condition at high RPM and load conditions indicates a problem in fuel delivery. Technician B says that this condition is caused by a vacuum leak.
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.
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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.
A History of the U.S. Presidential State Car (Part 2)
The commander-in-chief’s road transportation, from LBJ’s Lincoln Continental to “The Beast.”
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
Rust belt vs salt belt: Do you know the difference? (VIDEO)
The Rust Belt and the Salt Belt may sound similar, and you might even hear them used interchangeably, but they are distinct names that any automotive professional or enthusiast should know. Take a few seconds to get the real story on these terms.
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?