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
“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.
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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.
Don’t Overlook This Step When Servicing Brakes (VIDEO)
A brake service job isn’t complete unless the reservoir cap’s diaphragm has been pushed back into place. This simple step is easy to forget, but it helps to reduce brake fluid contamination and ensure proper system function.
This tungsten scraper is my new favorite tool.
A fellow YouTuber recommended it. Why not give it a try?
Polishing headlights vs. replacing them! (VIDEO)
Two solutions for yellowed, hazy headlights.
Parallel connectors vs. butt connectors
They look the same, but serve different roles. Here are the very specific scenarios where the lesser-known parallel connector shines.
What’s the deal with permanent and lifetime antifreezes? (VIDEO)
Shop Press’ Andy Greaser breaks down permanent antifreeze and today’s coolant for your vehicles.
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.
Basic Brake Fluid Testers Are Far More Sophisticated Than You’d Expect
Peering inside the inner workings of a deceptively complex tool
Diagnostics case study: don’t overcomplicate things
One basic vehicle checkover has several lessons to teach.
Do you mind working on customer vehicles equipped with dash cams?
As dashboard cameras become more common, repair professionals should know how to deal with them.
The story of the very first reverse gear in an American car
Reverse is an innovation that’s easy to take for granted—but it was a revolutionary addition to the automobile.
How to get a little more (temporary) performance out of your air impact gun
“Rebuild in a can” is not the right way to fix the tool, but it will get you by until you can repair it correctly.
VIDEOS
Can’t break that crank bolt loose? You need a crank socket (VIDEO)
Crank fasteners are often a real pain to remove. Mechanics with expensive impact wrenches and large breaker bars struggle to remove them—but there’s a better way.
So you want to restore a classic or build a kit car? Think twice.
Unless you’re a professional mechanic or a hardcore DIYer, I suggest you focus on building memories instead of a car.
EGR system – ASE practice questions (VIDEO)
Under what conditions would the EGR system be expected to be operational? We have the correct answer.