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
LT-series vs. P-series tires
The truck and SUV have never been more prolific than they are today. Learn when to sell each type of these tires.
If you have a soldering iron, you need a solder sucker (VIDEO)
Removing old solder is a crucial part of preparing a component for a new soldered connection, and a desolder pump (often called a solder sucker) is the ideal tool for the job.
The very best way to remove grease from auto upholstery
This surefire solution really stinks.
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SHOP STUFF
Auto care news and advice you can use.
Hybrid A/C Compressor Oil-ASE Practice Question (VIDEO)
On a hybrid vehicle’s air conditioning system that utilizes a high voltage electrical compressor, can only the oil specified by the vehicle manufacturer be used in the compressor or is PAG oil acceptable for use in an electric vehicle’s compressor?
Why a magnetic drain plug is a worthwhile upgrade (VIDEO)
Do your customers know the benefits of magnetic oil drain plugs? Swap out their standard drain plugs to help protect against unnecessary engine damage.
Brake booster valve – ASE practice questions (VIDEO)
A customer states the brake pedal falls slightly when the brakes are applied while starting the engine. Which technician response is correct?
The final days (and cars) of AMC
In November 1988, two employees snuck a camera into AMC’s Kenosha plant for a farewell tour.
What is a core charge?
A little glimpse into the world of making old parts new.
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SHOP STUFF
Auto care news and advice you can use.
The Folded Paper Era and Beyond: Giorgetto Giugiaro’s Iconic Design Journey
Giorgetto Giugiaro influenced everything from groundbreaking supercars to beloved city vehicles.
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.
Transfer cases: Married vs. divorced FAQ (VIDEO)
When two transfer cases love each other very much…
VIDEOS
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.
Noisy disc brakes – ASE practice questions (VIDEO)
What causes brake noise?