Deck 15: Disc Brake System Inspection and Service

Question 1

A ........in the brake pedal and steering wheel is often caused by excessive thickness variation.

Answer 1

pulsation

Question 2

A rotor with ........has a small amount of side-to-side wobble.

Answer 2

runout

Question 3

A pull when braking may be caused by a restricted brake hose or worn ........arm bushing.

Answer 3

control

Question 4

The measurement shown below in Figure 15-56 is being discussed: Technician A says rotor runout is being checked.Technician B says rotor thickness is being checked.Who is correct?

A)Technician A
B)Technician B
C)Both A and B
D)Neither A nor B

Question 5

A vehicle has a high-pitched squeal when driving: Technician A says this may indicate the brake pads need replaced.Technician B says this may be caused by excessive dust build up on the brake pads.Who is correct?

A)Technician A
B)Technician B
C)Both A and B
D)Neither A nor B

Question 6

To measure rotor runout, a ........is used.

Question 7

........refers to the distortion of the rotor surface cause by pad wear.

Question 8

Which of the following are approved by all manufacturers as a disc brake lubricant?

A)Anti-seize
B)Lithium grease
C)Chassis grease
D)None of the above

Question 9

A rotor shows twice the specified amount of runout with a dial indicator: Technician A says the rotor should be replaced to correct the runout.Technician B says the mounting hub runout should be checked.Who is correct?

A)Technician A
B)Technician B
C)Both A and B
D)Neither A nor B

Question 10

Brake pad conditioning refers to which of the following?

A)Installing lubricant on the pads to prevent noise
B)Resurfacing the brake rotors
C)Breaking-in or bedding the pads after installation
D)Retracting the piston into the caliper bore