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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.

Brake booster valve – ASE practice questions (VIDEO)

Brake booster valve – ASE practice questions (VIDEO)

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...
The final days (and cars) of AMC

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...
The importance of testing engine coolant (VIDEO)

The importance of testing engine coolant (VIDEO)

The importance of testing engine coolant (VIDEO) How to test for blown fuses in a car or truck | Fast and easy method Description Dorman Training Center instructor Pete Meier explains why you should be testing engine coolant on vehicles in your bay. With a simple test...
How to crimp heavy gauge wire (VIDEO)

How to crimp heavy gauge wire (VIDEO)

How to crimp heavy gauge wire (VIDEO) Description Working on some battery cables or custom ground straps? Your crimped connection needs to be totally reliable, and with a proper tool like Dorman’s 90707 heavy lug crimper, you’ll get secure and consistent results. This...