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Shop Press is the news and idea hub for everything related to working on cars and trucks, focusing on repair, technology, and wrenching lifestyle.

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Dust Cap Tool Explained (VIDEO)

Description How many times have you seen a hub dust cap with ugly dents from a sloppy installation? A dust cap tool is handy for installations on customer vehicles. It helps to prevent damage while securely driving the cap into place.

Why a magnetic drain plug is a worthwhile upgrade (VIDEO)

Description Do your customers know the benefits of magnetic oil drain plugs? Swap out their standard drain plugs to help protect against unnecessary engine damage. Magnetic drain plugs are especially helpful for vehicles with long oil change intervals, as well as many...

Brake booster valve – ASE practice questions (VIDEO)

Description A customer states the brake pedal falls slightly when the brakes are applied while starting the engine. Technician A says that a faulty brake booster check valve may be to blame. Technician B says this can be caused by a leaking brake booster diaphragm....

The final days (and cars) of AMC

In the last days of AMC, two employees brought a video camera into the Kenosha, Wisconsin plant to document the end of an era. Billy and Danny take a thorough tour of the old AMC buildings and production line, which was producing its last L-body Plymouth Horizons and...

What is a core charge?

The article title is a question I asked when I was a young counterman, and most of you oldtimer mechanics and parts people of course know the story: the core charge is a way to be sure the smoked part makes its way back to the parts counter. A core charge is a deposit...

How do you inspect a serpentine belt for wear?

Performing a visual inspection of a car part is usually the first step in assessing its condition. In the case of the serpentine belt, any sign of physical damage to the belt means the belt should be replaced, and may indicate the need to more closely inspect the...

The importance of testing engine coolant (VIDEO)

How to test for blown fuses in a car or truck | Fast and easy methodDescription Dorman Training Center instructor Pete Meier explains why you should be testing engine coolant on vehicles in your bay. With a simple test strip, you can quickly check the coolant's health...

Is perseverance in the service bay a feature or a bug?

Is perseverance in the service bay a feature or a bug?

by | May 16, 2023

I am a proficient mechanic. I have long said my proficiency comes partially from skill, but mostly I’ve achieved good results due to my perseverance. I am generally unwilling to toss in the towel on something until it works correctly. “Too stupid to know when to quit”...
Tool review: ICON 3/8” ratchet

Tool review: ICON 3/8” ratchet

by | May 4, 2023

Disclaimer: I purchased this tool at full retail price at my own expense, with no compensation to write about the item. About a year ago, I was reefing on some fastener, and my trusty old Armstrong ratchet let go and spun free. It did it again a few bolts later, and...
How to test and fix a car USB charger (VIDEO)

How to test and fix a car USB charger (VIDEO)

by | May 2, 2023

How to test and fix a car USB charger (VIDEO) Description Most late-model cars have a USB charging port for smartphones and other devices. In older vehicles, many owners have added USB charging capabilities with cigarette lighter adapters powered by accessory...
What are the sockets and wrenches you can do without?

What are the sockets and wrenches you can do without?

by | Apr 13, 2023

I was standing in the Dorman Proving Grounds the other day talking to Nick and Luke, both of whom wrench and appear in our videos. We got on the topic of sockets and wrenches we don’t use much. “20 millimeter,” Luke said. Nick’s 9mm socket wasn’t getting much use....