Technician A is preparing to recover the refrigerant from a customer’s vehicle. What are the steps he should take when performing this service?
Recovering A/C Refrigerant-ASE Practice Question (VIDEO)
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HOT OFF THE PRESS
Hybrid A/C Compressor Oil-ASE Practice Question (VIDEO)
On a hybrid vehicle’s air conditioning system that utilizes a high voltage electrical compressor, can only the oil specified by the vehicle manufacturer be used in the compressor or is PAG oil acceptable for use in an electric vehicle’s compressor?
Troubleshooting a “No A/C Compressor Engagement” Fault
Why a compressor clutch doesn’t engage, and tips to find the cause quickly.
Is the Oil Change Interval in a Vehicle’s Owner’s Manual Always the Right Choice? (VIDEO)
Pete Meier explains how vehicle usage and oil/filter quality should affect your maintenance schedules.
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SHOP STUFF
Auto care news and advice you can use.
What’s Torque-to-Angle All About?
It’s like torquing a bolt, but with an extra twist.
Is It Ever Safe to Reuse Torque-to-Yield (TTY) Fasteners? (VIDEO)
Pete Meier explains why these single-use bolts should always be replaced for safety and proper function.
Do You Survey Your Customers, and How?
Customer satisfaction surveys should be clear, concise, and targeted.
Interpreting Compression Tests–ASE Practice Questions (VIDEO)
Technician A completed a compression test, noting high readings suggest an exhaust restriction, while Technician B says the test checks volumetric efficiency.
Do I Need a Tune-up?
When a customer rolls into your shop and asks for a “tune-up,” what’s your first reaction?
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SHOP STUFF
Auto care news and advice you can use.
Recovering A/C Refrigerant-ASE Practice Question (VIDEO)
Technician A is preparing to recover the refrigerant from a customer’s vehicle. What are the steps he should take when performing this service?
PSA: Be Safe With Brake Cleaner
Brake cleaner is loved by techs (for good reason), but make sure you’re taking safety precautions.
Compression Testing | ASE Practice Questions (VIDEO)
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?
When a Voltmeter Isn’t Enough (Video)
Many high-end scan tools come with a capable digital storage oscilloscope. Time to put that tool to work.
Which Is Faster: A Spark Plug Firing or a Fuel Injector Spraying? (VIDEO)
Did you know that a modern fuel injection system can fire off multiple sprays in the same time it takes for a spark to jump across a plug?
VIDEOS
When a Voltmeter Isn’t Enough (Video)
Many high-end scan tools come with a capable digital storage oscilloscope. Time to put that tool to work.
Which Is Faster: A Spark Plug Firing or a Fuel Injector Spraying? (VIDEO)
Did you know that a modern fuel injection system can fire off multiple sprays in the same time it takes for a spark to jump across a plug?
P0420/P0430—The #1 DTC in the Country
And the most misdiagnosed.