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
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?
The Shop Press Automotive Paragon series: a recap
Let’s review some of the icons and oddballs we’ve featured here so far.
Minimum rotor thickness – ASE practice questions (VIDEO)
What does “MIN THK.” really mean?
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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.
CDK Global Outage: The Aftermath.
How one dealership stayed open through the uncertainty of a cyberattack.
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.
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.
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SHOP STUFF
Auto care news and advice you can use.
Store stuff in your glove box? Thank automobile pioneer Dorothy Levitt (VIDEO)
Ever wonder why virtually all cars and trucks have glove boxes? A visionary woman and her little book about driving changed in-vehicle storage over a hundred years ago.
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.
Creative repurposing: Shims have all sorts of uses in an automotive shop
There are applications for shims besides fixing camber and panel gaps.
Don’t let your scanner go unprotected
Faults in the car pay you. Faults in the scanner cost you.
VIDEOS
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.
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.