ASE A5 Practice Test

A vehicle is equipped with a vacuum brake booster. It doesn’t have power assist until the engine runs for a minute, then it begins to work normally.

What is the most likely reason?

The brake pedal starts to feel spongy and low even though all the adjustments have been made according to the specifications. What could be the cause of the problem?

The lack of brake pedal free play on a vehicle might cause:

When you remove the master cylinder, you must take all these steps EXCEPT:

Brakes on an older vehicle with a quick take up valve in the master cylinder are being bled. Technician A believes that you must depress the quick take up valve.

Technician B believes that the brakes can’t be bled. Who is correct?

A short power assist brake booster push rod will lead to which of these?

Erratic brake pulling occurs on a vehicle when the brakes are applied. All of these could cause this problem EXCEPT:

You notice brake fluid in the engine. A possible cause of this leakage might be:

Brake systems contain all of these components EXCEPT:

Which of these can lead to brake pedal fade?

When you make the final adjustments to the drum brakes:

All of these might lead to a low brake pedal, EXCEPT:

4-wheel disc brakes on a vehicle are causing brake squeal. Technician A believes it’s a defective proportioning valve issue. Technician B believes it’s caused by movement of the brake pad while breaking.

Who is correct?

A restricted disc brake caliper hose might cause all of these EXCEPT:

Brake rotors need to be refinished under all of these conditions EXCEPT:

The wheel speed sensor is being diagnosed with an OEM diagnostic scan tool. Technician A says to verify the wheel speed sensor operation and compare all four wheel speed sensor outputs to the data list.

Technician B says that the wheel’s direction of rotation should be verified by looking at the direction on the scan tool data list. Who is correct?

The ABS light doesn’t go off after the engine starts. Technician A states that the parking brake is not fully released. Technician B states that the brakes can continue to operate like non-ABS brakes.

Who is correct?

On ABS systems that have a high-pressure accumulator, this is depressurized by:

The ABS and TRACTION OFF indicator lights stay on while the engine is running. Technician A says to check the TCS and ABS diagnostic trouble codes.

Technician B says to check for TCS or ABS blink codes by connecting two pins of the DLC. Who is correct?

Technician A is working on a vehicle that was brought in with excessive brake pedal travel. The technician believes there is most likely an issue with the hydraulic system.

Technician B believes there is an issue with the lateral runout of the rotor. Which technician is most likely correct?