WorksheetsASE A5 Brakes p3
Total questions: 12
Worksheet time: 6mins
A vehicle equipped with four wheel disc brakes has poor braking performance and a low brake pedal. The cause could be:
warped rear brake rotors
Internal leak in master cylinder
a seized caliper piston
seized caliper slide pins
A vehicle is equipped with vacuum assisted power brakes. During normal driving, the brakes work properly. Immediately after the engine is turned off, the vehicle has no reserve power brake assist. This could be caused by:
A leaking vacuum booster check valve
a broke vacuum booster return spring
a failed master cylinder
an improper vacuum source
What could cause hard spots to form on a brake drum friction surface?
Extreme Heat
Water in the drum
Worn shoes
Leaking wheel cylinders
Which of these is the recommended procedure to tighten the axle nut when replacing a sealed wheel bearing assembly on a front wheel drive vehicle?
Tighten the axle nut using an impact
Tighten the axle nut to the correct torque using a torque wrench
Tighten the axle nut until it is snug
Tighten the axle nut to the correct torque and the back of 1/4 turn
Brake linings in current production (new) vehicles may be of any of the following construction, EXCEPT:
asbestos
metallic
ceramic
Semi-metallic
Technician A says that a low brake fluid level could cause the brake warning lamp to stay on. Technician B says that an open stoplight switch could cause the brake warning lamp to stay on. Who is right?
Technician B
Both
Technician A
Neither
On a passenger vehicle with duo-servo drum brakes, what happens?
The primary shoe transfers force to the secondary shoe
Rear braking force is controlled by ride height
A split, dual/diagonal braking system is required
The secondary shoe transfers force to the primary shoe
Technician A says that if the coefficient of friction is too low the brakes will grab. Technician B says that the coefficient of friction is influenced by the materials in contact. Who is right?
Technician A
Technician B
Neither
Both
A low fluid level in the brake master cylinder is an indication of all of these EXCEPT:
Leakage at the wheel cylinders
Leakage at the master cylinder
Worn brake pads
Worn brake shoes
What happens if a wheel speed sensor fault is set in the ABS control module?
The MIL (Malfunction indicator lamp) illuminates
The ABS and basic brakes become inoperative
The ABS warning lamp illuminates
The pedal pulsates during braking
A vehicle with 4 wheel ABS pulls to the right during braking. This could be caused by a:
Restricted brake hose
Failed ABS accumulator
Warped right front rotor
Failed ABS pump motor
After replacing only the disc brake pads, all of these should be done before road testing the vehicle EXCEPT:
Apply the brakes several times
Check the master cylinder fluid level
Torque the lug nuts
Bleed the brakes
