Valves
Switches and Sensors
Base Brakes
Bearings
Warning Systems
100

Which valve is installed on a front disk/rear drum system, that allows rear brakes to engage before the front brakes?

A Metering Valve

100

What is the name for a Stop Lamp Switch that controls the stop lamps in addition to cruise control and torque converter function?

A Multi-Function Switch

100

What condition outside of a leak, can cause a low fluid level?

Low Brake Pads

100

What is the sign of an overheated tapered roller bearing?

Blue discoloration

100

If the amber ABS light comes on, does the vehicle lose base braking?

No, it only loses ABS function

200

How many types of Pressure Differential Valves are there?

3

200

What measurement is the steering angle sensor taken in?

Degrees

200

What base brake system defect can cause a false ABS concern?

Warped Rotors

200

What must be done after replacing a tapered roller bearing?

Set preload and measure endplay 

200

If the parking brake light stays on with the parking brake disengaged, what would I check first?

Parking brake linkage

300

What type of valve changes pressure based on vehicle weight?

Load Sensing Proportioning Valve

300

What types of brake fluid level switches are there?

Pole Type, Reed/Float Type

300

Is the parking brake a part of the base brake system?

No, it is mechanical

300

What can happen if a sealed bearing is not pressed in straight?

It can damage the knuckle bore and the bearing itself

300

What is the difference between and amber light and red light in vehicles?

Amber is a needs to be checked, red means immediate concern.

400

What is the nature state of an Isolation Valve?

Open

400

If I have a cracked tone ring, what sensor will be effected?

Wheel Speed Sensor

400

What are the 2 main hydraulic circuit types?

Split Front Rear and Diagonally Split

400

Which wheel bearings can be serviced and which cannot?

Tapered roller can, sealed cannot

400

During a traction control event, the light blinks. Is this a normal condition? What if the light stays on?

Yes, if the light stays on though there is a fault

500
What valves can be included in a combination valve?

Metering, Proportioning, Pressure Differential.

500

What sensor controls a light, that comes on when brake pads are low?

Brake Wear Sensor

500

What should be checked for during an initial test drive of a vehicle in for a brake concern?

Pedal Travel, pedal feel, abnormal noise, vibrations in the pedal or steering wheel.

500

What is the primary concern with a failed wheel bearing?

Growling noise
500

If my rear stop lights don't come on but the CHMSL illuminates, what should I check first?

The Brake Switch