Exam 52: Disc Brakes

Large vehicles typically use ______ rotors.

After brake pad replacement, what is the first thing the technician should do when the vehicle is lowered?

Which statement about ceramic rotors is false?

A fixed caliper _____.

Technician A siphons out about two-thirds of the brake fluid from the master cylinder reservoir before beginning work on the pads or calipers. Technician B opens the caliper bleeder screws and runs a hose to a container to catch the fluid that is expelled,.while pushing the pistons back. Who is correct?

Why is it important to install unidirectional rotors on the correct side of the vehicle?

Identify the two items that are always replaced during caliper overhauls.

Sliding calipers move on bolts or pins.

Air in the disc brake hydraulic system will cause a ____________________ brake pedal.

Name the three types of calipers used with disc brakes.

A typical fixed caliper housing is designed with one caliper piston.

A resurfaced rotor must be _____ inch thicker than the discard dimension to allow for wear.

Technician A says the caliper piston seal prevents leakage of brake fluid between the cylinder bore and the piston. Technician B says the caliper piston seal does not contribute to the piston's automatic adjustment feature. Who is correct?

What are loaded calipers?

Rotor thickness is measured at about ____________________ inch in from the outer edge of the rotor.

What are the basic types of brake rotors used on modern vehicles?

Solid rotors are usually found on _____.

Which statement is false?

If the caliper is able to flex too much during braking, it will cause hard braking.

During pad replacement, some caliper pistons must be rotated with to retract all the way into the caliper bore.