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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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Do You Survey Your Customers, and How?

Recently, I had the opportunity to take my car to a body shop (it’s a long story). Once the work was done and I was checking out, the office manager mentioned to me that they would be sending me a customer satisfaction survey and encouraged me to fill it out. Then she...

Interpreting Compression Tests–ASE Practice Questions (VIDEO)

Description Technician A has just completed a running compression test using a mechanical compression gauge. Technician B says that the test is used to check the volumetric efficiency of the engine. Technician A says that the higher-than-expected readings indicate a...

Do I Need a Tune-up?

If you’re like me, you might cringe a little. More often than not, they’re hoping this magical procedure will fix some mysterious issue with their car. But let’s break it down: what is a tune-up, anyway? Most dictionaries describe a tune-up as “a general adjustment to...

PSA: Be Safe With Brake Cleaner

If you work in a shop (and if you’re reading this, chances are you do), you are undoubtedly familiar with brake cleaner. And, if you know the scent of brake cleaner, you probably know that using it is not great for your health if it comes in contact with your skin,...

Compression Testing | ASE Practice Questions (VIDEO)

Description Technician A has just completed a dry compression test of a four-cylinder engine. All four cylinders are below specification by about the same amount. After performing a wet compression test, values remained unchanged. What could cause this condition? A)...

When a Voltmeter Isn’t Enough (Video)

Description With the variety of electronically controlled systems on a modern automobile, the days when a test light or simple voltmeter was enough to diagnose problems are long gone. Using a digital storage oscilloscope (DSO) can make troubleshooting faster and more...

Piston rings – ASE practice questions (VIDEO)

Piston rings – ASE practice questions (VIDEO)

by | Jul 30, 2024

Piston rings – ASE practice questions (VIDEO) Description Which of the following statements about piston rings is incorrect? A) End gaps must be evenly spaced around the piston B) Rings are installed on the piston using a ring compressor C) Rings must be...
Engine knock – ASE practice questions (VIDEO)

Engine knock – ASE practice questions (VIDEO)

by | Jul 16, 2024

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...
“Can I borrow a…”

“Can I borrow a…”

by | Jul 11, 2024

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...