ASE A5 Brakes Practice Test
26. A ridge has formed on the backing plate's pads where the brake shoes rest. All of the following are correct EXCEPT:
- A. Apply bearing grease to reduce brake squeak.
- B. They may be filed to restore a smooth finish.
- C. They may be sanded to restore a smooth finish.
- D. Apply a lubricant for high-temperature brake systems.
27. The master cylinder is full of clean brake fluid, the brake pads and shoes are in good condition, and there are no brake warning lights. However, the brake pedal is low and feels soft. Which of the following could be the cause?
- A. Over-adjusted rear brake shoes.
- B. Worn front brake pads.
- C. Air bubbles in the brake fluid.
- D. A leaking vacuum brake booster.
28. A vehicle with a four-wheel disc ABS brake system is difficult to bleed and still has a low spongy brake pedal. Technician A says the master cylinder may have faulty cup seals. Technician B says to bleed the ABS hydraulic modulator valve assembly. Who is correct?
- A. Technician A
- B. Technician B
- C. Both A and B
- D. Neither A or B
29. A height sensing proportioning valve:
- A. Delays pressure to the front brakes.
- B. Prevents rear wheel lock-up.
- C. Prevents nosedive while braking.
- D. Is adjusted with all four tires raised in the air.
30. The amber ABS warning light on a light truck with four-wheel ABS is illuminated. A scan indicates a problem with the left rear wheel speed sensor. Technician A says mud and road debris can get in the gap or between the tone sprockets damaging the sensor and creating a problem with the signal. Technician B says to check the wheel bearing for looseness and wear. Who is correct?
- A. Technician A
- B. Technician B
- C. Both A and B
- D. Neither A or B