310S Brake Systems 2

Question 1

What is the function of the brake caliper?

Accepted Answer

To house the brake piston(s) and clamp the brake pads against the rotor when hydraulic pressure is applied

Answer

To store brake fluid under pressure

Answer

To cool the brake rotor during braking

Answer

To convert rotary motion into linear motion

Question 2

What is the purpose of the vacuum brake booster?

Accepted Answer

To multiply the driver's brake pedal force using engine vacuum to reduce pedal effort

Answer

To pump brake fluid through the system

Answer

To prevent brake fade during heavy braking

Answer

To control ABS modulator operation

Question 3

What is the correct procedure for bleeding a brake system?

Accepted Answer

Start with the wheel farthest from the master cylinder and work toward the closest

Answer

Start with the wheel closest to the master cylinder

Answer

Bleed all four wheels simultaneously

Answer

Only bleed the wheel where work was performed

Question 4

What causes a brake caliper to stick or seize?

Accepted Answer

Corroded caliper piston, damaged piston seal, or corroded slide pins preventing proper movement

Answer

Using DOT 4 brake fluid instead of DOT 3

Answer

Over-tightened lug nuts

Answer

A worn brake rotor

Question 5

What is the purpose of DOT brake fluid ratings (DOT 3, DOT 4, DOT 5.1)?

Accepted Answer

They specify minimum dry and wet boiling points to ensure the fluid can withstand heat generated during braking

Answer

They indicate the fluid colour

Answer

They indicate the fluid viscosity for cold weather

Answer

They specify the recommended change interval

Question 6

What does the ABS warning light illuminating during normal driving indicate?

Accepted Answer

A fault has been detected in the ABS system and antilock function is disabled

Answer

The ABS system is actively working

Answer

The brake pads need replacement

Answer

The brake fluid level is low