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)
read more
Read more from Peter F Meier
Do I Need a Tune-up?
When a customer rolls into your shop and asks for a “tune-up,” what’s your first reaction?
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.
P0420/P0430—The #1 DTC in the Country
And the most misdiagnosed.
Dead Battery? (Video)
Diagnosing the cause of a battery drain can be a challenge today.
Check Engine Light On?
Grab a generic OBD-II scan tool and take these first steps to turn it off and keep it off.
Inside Global (Generic) OBD-II
You don’t need an expensive scan tool to diagnose the cause of an illuminated check engine light.
Bitten by a misfire
Formal education teaches you theory and the real world teaches you the rest.
Are you servicing your car’s oil correctly?
It might be time to rethink oil changes.
Using voltage to locate electrical faults
Understanding how voltage is used in an electrical circuit can help your troubleshooting.
Choosing the right brake fluid
Just because it says “DOT 4” on the bottle doesn’t mean it’s the correct DOT 4 for the vehicle.
Fuel pump designs are changing. Do you know what kind of fuel pump you’re troubleshooting?
Many vehicles today have made the switch to DC brushless fuel pumps. They don’t work like the older brush-type pumps do.
The most important fluid in the car and how to test it.
Brake fluid can wear out just like any other fluid.