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Hybrid A/C Compressor Oil-ASE Practice Question (VIDEO)

Description Technician A is working on a hybrid vehicle’s air conditioning system that utilizes a high voltage electrical compressor. Technician B says that only the oil specified by the vehicle manufacturer should be used in the compressor. Technician A says PAG oil...

Troubleshooting a “No A/C Compressor Engagement” Fault

As the weather warms, more and more of your customers will be switching over their HVAC control settings to “max A/C”. If the system doesn’t respond by blowing that refreshing cool air into their faces, they will show up at your door to find out why. When faced with...

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...

Polishing headlights vs. replacing them! (VIDEO)

Polishing headlights vs. replacing them! (VIDEO)

Polishing headlights vs. replacing them! (VIDEO) Description Yellowed, hazy headlights aren’t just ugly; they can reduce a headlight’s effectiveness for your customers. Would you rather polish the old lenses, or simply install a Dorman replacement? Related Videos...
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...