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A History of the U.S. Presidential State Car (Part 1)

The U.S. presidential state car (aka "The Beast", "Cadillac One", "First Car", and codename "Stagecoach") is an unmistakable symbol of our nation’s executive branch. Since we had a presidential inauguration this year, I thought it would be a good time to look at the...

Dead Battery? (Video)

Description With dozens of electronic control units on automobiles built in the last 25 years, incidents of battery drain caused by an ECU that will not turn off when it is supposed to are on the rise. Tracing the ultimate cause can be made easier, though, if you know...

Check Engine Light On?

Diagnosing an illuminated check engine light (CEL) is something professional technicians do on an everyday basis. The key to a correct diagnosis is following a logical diagnostic process and gathering the information you need to isolate and repair the cause. The...

CDK Global Outage: The Aftermath.

Nobody wants to hear it, but cyberattacks and ransomware are part of a complicated new reality for the digital systems supporting the auto repair industry. Are you prepared? Months after the CDK Global outage ravaged the auto repair industry, there are still lingering...

DIYers: Yes, You Can Handle a Window Regulator Replacement

I’ve had an ongoing disagreement with a few of my Shop Press colleagues for some time now. Personally, I believe that replacing a window regulator is a perfect job for a DIYer. I mean, I’ve done them myself, and I barely even consider myself a DIYer. However, some of...

Betcha Haven’t Serviced the Tool You Use on Every Job

The most dangerous thing we do all day long is one most of us don’t think about: we raise a vehicle weighing a ton or three high in the air and work beneath it. And yet, lifts aren’t maintained well in most shops. I’ve seen lifts out of plumb, bent legs, lifts with...

Transfer cases: how to talk to your customers

Transfer cases: how to talk to your customers

The transfer case is an essential part of the part-time four-wheel drive system found on many traditional vehicles like SUVs and pickup trucks. The customers you help at your service counter may well rely on vehicles with 4WD daily and understand the systems well. But...
Bitten by a misfire

Bitten by a misfire

There are hundreds of great automotive technical schools around the country and they teach all the book lessons you need to know to start in this business. But nothing teaches better than real world experience. I consider myself a pretty good tech today and I got that...
Pulse width modulation and automotive lighting

Pulse width modulation and automotive lighting

I recently was talking to someone about how complex modern systems have gotten, and realized my unwilling conversational victim wasn’t sure why things had gotten so complex and if that was a good thing or not. “Even the lights are difficult!” the exasperated fella...
Another specialty punch

Another specialty punch

Disclaimer: I purchased these tools at full retail price at my own expense, with no compensation to write about the items. If you read Shop Press regularly, you may be thinking, man, those guys really love punches. You wouldn’t be wrong. We’ve written about big huge...
Rules of the torque wrench, explained

Rules of the torque wrench, explained

I would bet that you and most other Shop Press readers have a pretty good handle on how to use a torque wrench. You aren’t going to get far in this industry without a proficient understanding of how to employ and care for these precision instruments. And if you’re...