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Diesel Engines and Racing

Nearly every conceivable version of the internal combustion engine has made its way to the Indy 500. But it was a 1931 entry of a rather unusual type that made it into the record books as the first to complete the entire 500-mile race without a pit stop. That entry...

Recovering A/C Refrigerant-ASE Practice Question (VIDEO)

Description Technician A is preparing to recover the refrigerant from a customer’s vehicle. All of the below are steps he should take when performing this service EXCEPT: A) Test for the presence of sealant in the vehicle systemB) Identify the type of refrigerant the...

Is It Ever Safe to Reuse Torque-to-Yield (TTY) Fasteners? (VIDEO)

Description Torque-to-yield fasteners are designed to deform during installation to ensure a secure connection. If a TTY fastener looks to be in good shape after removal, can it be reused? Pete Meier explains why these single-use bolts should always be replaced for...

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...

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...
Oil leak – ASE practice questions (VIDEO)

Oil leak – ASE practice questions (VIDEO)

by | Jul 2, 2024

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 rings More ASE Practice Questions Oil leak – ASE...
Harmonic balancers – ASE practice questions (VIDEO)

Harmonic balancers – ASE practice questions (VIDEO)

by | Jun 18, 2024

Harmonic balancers – ASE practice questions (VIDEO) Description Technician A says a defective harmonic balancer can affect the accuracy of ignition timing readings. Technician B says a defective harmonic balancer can damage the crank. Who is correct? More ASE...