Your multimeter is a versatile tool. But for certain diagnostics, you need an oscilloscope to get a closer look at a vehicle’s electrical systems.
What an oscilloscope shows that your DVOM can’t (VIDEO)
read more
HOT OFF THE PRESS
Decreasing Circuit Resistance – ASE Practice Question (VIDEO)
When the resistance of a circuit is decreased and voltage remains constant, what happens to current?
Colin Chapman: The Philosopher of Motion (Part 2)
This British engineer changed racing forever by making cars lighter, not more powerful.
How Often Should You Really Flush Coolant? (VIDEO)
How do you know when it’s time to flush coolant? Technicians may have different views on the subject, but Dorman Training Center instructor Pete Meier explains how using a test strip at every service is a surefire way to get an accurate picture of the coolant’s health.
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.
Belt Noise – ASE Practice Question (VIDEO)
Technician A says chirp is the most common belt noise complaint. Technician B says EPDM belts can wear out without showing visible damage. Who is correct?
Are You Properly Checking Hub Bearings For Wear? (VIDEO)
Pete Meier explains how a dial indicator is necessary for a true wear check.
Efficiency is the Name of the Game
Four proven ways to run a tighter ship at your shop.
Misfire Cause–ASE Practice Questions (VIDEO)
Technician A is diagnosing a misfire. He states that a misfire is caused by a fault in the ignition system and that new plugs and coils will repair the problem. Technician B says that a misfire is detected when the ECM detects a variation in crankshaft speed.
A History of the U.S. Presidential State Car (Part 2)
The commander-in-chief’s road transportation, from LBJ’s Lincoln Continental to “The Beast.”
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.
Put the Second Floor to Work
Real estate is an investment—make yours start earnin’.
A History of the U.S. Presidential State Car (Part 1)
The commander-in-chief’s road transportation, from Pierce-Arrow cars to the Kennedy Lincoln Continental.
Dead Battery? (Video)
Diagnosing the cause of a battery drain can be a challenge today.
Check Engine Light On?
Grab a generic OBD-II scan tool and take these first steps to turn it off and keep it off.
Which Parts of a Tire Are Safe to Patch? The Answer Has Changed (VIDEO)
Patching a punctured tire is a common job, but are you up to date on the latest guidance for safe plug locations?
VIDEOS
Troubleshooting a “No A/C Compressor Engagement” Fault
Why a compressor clutch doesn’t engage, and tips to find the cause quickly.
Is the Oil Change Interval in a Vehicle’s Owner’s Manual Always the Right Choice? (VIDEO)
Pete Meier explains how vehicle usage and oil/filter quality should affect your maintenance schedules.
Diesel Engines and Racing
You may be surprised at how diesels have made a name for themselves in motorsports.