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
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.
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SHOP STUFF
Auto care news and advice you can use.
Why We Take the Negative Battery Cable off First and Put It on Last (VIDEO)
Lemmy explains why this basic task always comes before removing the positive cable to help you understand the theory behind the practice.
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.
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SHOP STUFF
Auto care news and advice you can use.
Check Out This Hacky Diag Tool
Why build what you can buy inexpensively?
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
EGR system – ASE practice questions (VIDEO)
Under what conditions would the EGR system be expected to be operational? We have the correct answer.
A low-tech favor you can perform for every customer (and yourself)
Break out your paint pen—you’re the service writer now!
ASE test prep requires more than sample questions (VIDEO)
Do you have a study guide to prepare for your ASE exams? Which parts of that study guide do you use the most? Dorman Training Center instructor Pete Meier explains.