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Stress Test Vehicle Grounds

Pop quiz, no cheating: how many amps does the ground side of any circuit conduct? If you said, “As many as the hot side,” get yourself a gold star and skip this article. For the rest of us who weren’t born innately knowing the answer to that question, stick with me...

The Tightwad’s Way To Install Any Wheel Bearing Race

I don’t own a bearing race driver kit, and I haven’t in 20 years of fixing stuff. I also refuse to use sockets to drive a race. I learned a method a long time ago I’ll pass along to you newer techs: I use the race I’m replacing. I primarily have used this trick when...

Shop Profile: Locked N Loaded 4×4

I’ve owned two Jeeps–the 1973 Super Jeep CJ-5 featured in a previous Shop Press article, and a 2010 Wrangler Sahara. The reliability and my enjoyment of the former wasn’t “super” in any way despite American Motors’ best efforts at model name puffery, and the latter...

Check Out This Hacky Diag Tool

Disclaimer: Dorman Products purchased this kit at full price.In the interest of serious investigative reporting, I swiped the Shop Press credit card for $14.83 to try out a diag tool I thought looked super-cool: the relay bypass. What’s that? Short version: Imagine a...

Dealers make house calls. Why not you?

I had a great experience recently when my dealer’s service department called to ask if I’d like to schedule some routine maintenance needed on my SUV from one of their fleet of nifty new mobile service vans, with the promise that my cost would be the same as if I...

The Only Thing Better Than Making Money Is Not Losing It

A primer on spotting unprofitable jobs before they make it to a bay.

HOT OFF THE PRESS

Hybrid A/C Compressor Oil-ASE Practice Question (VIDEO)

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?

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.

Troubleshooting Fuel Trim–ASE Practice Questions (VIDEO)

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.

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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.

How Often Should You Really Flush Coolant? (VIDEO)

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.

Misfire Cause–ASE Practice Questions (VIDEO)

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.

VIDEOS