Thanks

Mastering the Numbers – Part 2

Using your shop’s Cost of Doing Business (CODB) as a baseline for labor rates.

Learn Why You Should Never Skip Battery Isolation (VIDEO)

Tempted to skip battery isolation during a repair? Dorman Training Center instructor Pete Meier explains how this essential step can protect you from serious injury while working on a vehicle.

SLABs: Slow, Loud, and Bangin’

The unique culture of slab cars.

Decreasing Circuit Resistance – ASE Practice Question (VIDEO)

When the resistance of a circuit is decreased and voltage remains constant, what happens to current?

Colin Chapman: The Philosopher of Motion (Part 2)

This British engineer changed racing forever by making cars lighter, not more powerful.

How Often Should You Really Flush Coolant? (VIDEO)

How do you know when it’s time to flush coolant? Technicians may have different views on the subject, but Dorman Training Center instructor Pete Meier explains how using a test strip at every service is a surefire way to get an accurate picture of the coolant’s health.

Colin Chapman: The Philosopher of Motion (Part 1)

This British engineer changed racing forever by making cars lighter, not more powerful.

Maximum Voltage Reading – ASE Practice Question (VIDEO)

Technicians debate using the min/max function of a digital voltmeter to test the battery and charging system on a customer’s vehicle to determine if the alternator has failed. Who is correct?

The Story of Dagmar Bumpers

Is this the only car part named after an actress?

Should You Charge More When Dealing with Tire Sealant? (VIDEO)

Learn why it’s not a bad idea to charge a little more for the hassle.

An Ode to “Car Talk”

A radio show that, hopefully, will live on for years to come.

Testing Battery State of Charge – ASE Practice Question (VIDEO)

Technicians discuss battery testing, one says open circuit voltage of less than 10.5 volts indicates a bad battery, while the other says that a reading of 12.5 volts indicates an 80% state of charge. Who is correct?

PSA: Be Safe With Carburetor Cleaner, Too

Is carb cleaner actually more dangerous than brake cleaner?

The Real Meanings Behind OBD-II Diagnostic Trouble Codes (VIDEO)

By breaking down the structures used to create DTCs, you can learn how to “decode” beyond the simple descriptions presented by a scanner.

What’s Torque-to-Angle All About?

It’s like torquing a bolt, but with an extra twist.

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?