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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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Engine knock – ASE practice questions (VIDEO)

Description An engine exhibits a knocking noise. During a cylinder power balance test, the noise abates. Technician A says the noise is likely worn big-end bearings on the connecting rod. Technician B says the noise is likely piston slap. Who is correct?More ASE...

“Can I borrow a…”

I recall being very alarmed at how far the door spring traveled. As a teenager in my first job at a dealer, I was working on a small S-10 truck that needed door hinge pin bushings. I levered that door spring out of its perch with a slotted screwdriver like a goon and...

A visit to Elite JDM (VIDEO)

Description Recently we took a trip to Dorman Proving Grounds manager Nick D'Alessio’s personal shop, Elite JDM. While we were there, we shot some videos about some fascinating things we found in his shop. We decided to put those four videos together in a playlist for...

Oil leak – ASE practice questions (VIDEO)

Description Which of the following is LEAST LIKELY to cause an oil leak?A) Torn valve cover gasket B) Worn wrist pin bushings C) Worn rear main seal D) Worn piston ringsMore ASE Practice Questions

Low-mileage JDM automatics: Worthwhile or worthless? (VIDEO)

Description Nick and Lemmy check out a flex plate from an imported Japanese automatic transmission with very few miles under its belt. Even so, Nick explains why nobody really wants these transmissions or parts… and why many of them end up in the scrapyard.

Parallel connectors vs. butt connectors

Parallel connectors vs. butt connectors

Dorman makes an item to join wires, the parallel connector, that is both helpful and widely misunderstood. If one reads reviews of these, they’re often rather negative. More than a cursory examination yields the issue, however: these are often purchased mistakenly by...
Are automakers starting to rethink OTA microtransactions?

Are automakers starting to rethink OTA microtransactions?

Over a year ago, I wrote a piece on this very media hub about the trend of auto manufacturers offering customers over-the-air (OTA) microtransactions to unlock options on their vehicles. I talked about what Tesla, BMW, VW, and Kia had introduced in that area, and...
Ten (sort of serious) questions every service writer should ask

Ten (sort of serious) questions every service writer should ask

At its core, writing service is information synthesis—collect, sort, simplify, regurgitate, repeat. Obtaining the raw information from techs and customers alike relies on prompts, usually in the form of a question. The correct question asked at the correct time pays...
The one part of the car you’ll never install for a customer

The one part of the car you’ll never install for a customer

The title is a bit clickbait-y, but I won’t drag this out. Let me tell you about a part you’ll never get a repair customer to buy willingly: the hood strut. Photo: Mike Apice. How many times have you been working on something, and the hood comes down and clonks ya...