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
The TPMS tool that pays for itself
Why wouldn’t your shop purchase a few of these?
Tapping V6 – ASE practice questions (VIDEO)
Two technicians are examining a tapping sound coming from a V6 engine. See who has the correct response about what’s causing the noise.
Buy once, cry once: Auto parts that are worth the extra cost (VIDEO)
We’ve all heard the expression “buy once, cry once,” and for some auto parts, those are words of wisdom. For others, it might be an unnecessary expense.
SHOP STUFF
Auto care news and advice you can use.
Watch this video on the four stages of grief for mechanics
A Facebook reel that applies a psychological model to wrenching.
Top 5 mechanical oddities on RHD vehicles, and how to deal with them if one rolls into your shop
Working on a right-hand drive vehicle requires deviating slightly from a mechanic’s routine.
The only two mistakes you can make on your first timing belt job (and why you shouldn’t worry about them)
T-belts aren’t scary at all.
Ten (sort of serious) questions every service writer should ask
Skillful interrogation is a wonderful way to make your professional life easier. Here are a few suggestions on where to start.
TECHNICIAN CHALLENGE: Can you identify these dash lights? PART 4 (VIDEO)
Think you know your dash lights? Shop Press contributors Keith, Miriam, Chris, and Greaser try their best to identify all kinds of lights, symbols, and indicators.
ABOUT SHOP PRESS
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.
Fronting & facing and staging orders: the fast track to the wholesale parts counter
Putting up freight and pulling orders is more than busywork. It’s tuition.
Quick tip: how to use an old phone to check vehicle lights by yourself
That old smartphone can actually help when you don’t have a second set of eyes to help out.
Shop Upkeep Essentials (VIDEO)
Shop Press’ Miriam discusses tasks and tips to maintain a well-rounded shop.
A comprehensive primer on the automotive right to repair debate
Your guide to understanding controversy and proposed legislation that directly affects how repair professionals earn a paycheck.
What is the best type of air filter? (VIDEO)
Air filter elements come in a variety of shapes and designs, but which one is right for you?
VIDEOS
Brake rotor thickness variation – ASE practice questions (VIDEO)
On a car with disc brakes, what is the most likely symptom of a vehicle with rotors that measured out-of-spec for thickness variation when measured at several places on the rotor surface?
The importance of testing engine coolant (VIDEO)
Peter Meier discusses the importance of testing coolant and how mechanics can use simple strip testers to keep cooling systems safe.
How to use a refractometer
Dorman trainer Pete Meier turned me on to a handy new tool.