A practical approach to auto repair shop management.
Mastering the Numbers
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HOT OFF THE PRESS
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.
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.
The Only Thing Better Than Making Money Is Not Losing It
A primer on spotting unprofitable jobs before they make it to a bay.
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.”
Why Wheel Fastener Torque Matters More Than You Think (VIDEO)
If you’re still using torque sticks and impact power to install lug nuts and lug bolts, it’s time to reconsider.
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.
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SHOP STUFF
Auto care news and advice you can use.
Set the Toe and Go!
The finer points of performing coarse alignments.
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?
CDK Global Outage: The Aftermath.
How one dealership stayed open through the uncertainty of a cyberattack.
DIYers: Yes, You Can Handle a Window Regulator Replacement
Here are some tips to help get you started.
Betcha Haven’t Serviced the Tool You Use on Every Job
The most dangerous piece of equipment in a shop is often the most neglected.
VIDEOS
Which Is Faster: A Spark Plug Firing or a Fuel Injector Spraying? (VIDEO)
Did you know that a modern fuel injection system can fire off multiple sprays in the same time it takes for a spark to jump across a plug?
P0420/P0430—The #1 DTC in the Country
And the most misdiagnosed.
Troubleshooting Fuel Trim–ASE Practice Questions (VIDEO)
Technician A and Technician B are discussing ways to use fuel trim as a troubleshooting aid. Technician A says that fuel trims that are correcting for a lean condition at high RPM and load conditions indicates a problem in fuel delivery. Technician B says that this condition is caused by a vacuum leak.