AUT105 Week 7 Chapter 47 Drum Brakes

Which of the following is a recommended tool for removing brake lines from a wheel cylinder?

• Flare nut wrench

• Line wrench

• Both A and B

• None of the above

The master cylinder converts the brake pedal force into hydraulic pressure, which is then transmitted_______ via the brake lines and hoses to one or two wheel cylinders at each drum brake assembly.

• With some loss

• Without loss

• With increased force

• None of the above

All of the following are main components of a drum brake system, EXCEPT:

• brake drum.

• backing plate.

• wheel cylinder.

• caliper assembly.

Technician A says that when drum brakes are applied, brake shoes are moved outward against a rotating brake drum. Technician B says that drum brakes are used on the rear of many vehicles today. Who is correct?

• Technician A

• Technician B

• Both A and B

• Neither A nor B

________________ are installed so the direction they are applied is opposite of the forward rotation of the drum.

• Trailing shoes

• Leading shoes

• Stationary shoes

• Slave shoes

All of the following components are part of a parking brake system in a drum brake, EXCEPT:

• wheel cylinder

• primary shoe

• secondary shoe

• brake strut rod

Wheel cylinders are fitted with a ________ to allow for bleeding of air and old brake fluid from the hydraulic brake system.

• Cylinder bore

• Bleeder screw

• Piston seal

• Tension monitor

Brake shoe lining wear causes the brake pedal to travel farther before activating the brakes, reducing the_________, which leaves the driver vulnerable if a hydraulic failure occurs.

• Brake pedal free play

• Reserve pedal height

• Brake pedal travel

• None of the above

________ are used to return links and levers on the parking brake system or the self-adjuster mechanism.

• Specialty springs

• Return springs

• Hold-down springs

• None of the above

_________ are not typical components of a wheel cylinder.

• Pistons

• Spring and expander sets

• Lip seals for each piston

• Return springs