ASE A5 Brakes Practice Test

46. During a brake inspection it is noticed that one pad is worn more than the other. Which of the following is LEAST likely to cause this condition?

  • A. Air in the system.
  • B. Misalignment
  • C. Sticking caliper slide pins.
  • D. Sticking caliper piston.

46.

Answer A is correct. This is a least likely type question. Air in the system will result in a soft spongy brake pedal.

Answer B is wrong. Misalignment will cause uneven brake pad wear.

Answer C is wrong. Sticking caliper slide pins is common and will cause uneven brake pad wear.

Answer D is wrong. A sticking caliper piston will also cause uneven brake pad wear.

47. The red brake warning light is illuminated on the instrument panel of a vehicle with four wheel disc brakes. Which of these is LEAST likely to cause this warning light to illuminate.

  • A. Low brake fluid level.
  • B. Unequal brake fluid pressure.
  • C. Grounded parking brake circuit.
  • D. Loose wheel speed sensor plug.

47.

Answer A is wrong. This will illuminate the red brake light. Inspect the brake fluid level and the reservoir cap when the red warning light is illuminated.

Answer B is wrong. Unequal fluid pressure will move the pressure differential switch illuminating the red brake warning light.

Answer C is wrong. The red warning light indicates a problem with the hydraulic system or parking brake engagement.

Answer D is correct. Answer D is correct because this is the only answer that would illuminate the amber warning light instead of the red brake warning light.

48. The right brake light is inoperative when the brake pedal is depressed. All the other lights function properly. Which of the following should be inspected when diagnosing this circuit?

  • A. The right rear bulb socket.
  • B. The right rear bulb.
  • C. The brake light fuse.
  • D. Both A and B

48.

Answer A is wrong. Only because both answers A and B are correct. Check the bulb and the socket for proper fit and operation.

Answer B is wrong. The right rear bulb and socket should be inspected.

Answer C is wrong. The fuse protects the entire circuit. The left brake light circuit would also be inoperative if the fuse was loose or blown.

Answer D is correct. Both A and B are correct. Check the socket and the bulb for operation and resistance.

49. After installation of brake pads, the pad manufacturer recommends performing a burnishing procedure. Technician A says this is accomplished by repeating several high speed stops. Technician B says this process includes light application of the brake pedal and a brief cool down period between stops. Who is correct?

  • A. Technician A
  • B. Technician B
  • C. Both A and B
  • D. Neither A or B

49.

Answer A is wrong. Technician B is correct. The procedure involves easy stops from 30 mph not hard stops from 55 mph.

Answer B is correct. The burnishing or break in procedure cures the friction materials in the pads. It provides for better braking performance.

Answer C is wrong. Technician B is correct.

Answer D is wrong. Technician B is correct.

50. The front brake pads on a vehicle with a quick take up master cylinder need replacement. They were replaced just recently. Technician A says this is a low drag brake system. Technician B says this could be caused by a sticking quick take up valve. Who is correct?

  • A. Technician A
  • B. Technician B
  • C. Both A and B
  • D. Neither A or B

50.

Answer A is wrong.. Both technicians are correct. This type of master cylinder is used with low drag brake calipers. It is distinguishable by a large diameter piston and primary low pressure bore located at the back or push rod end of the master cylinder.

Answer B is wrong. Both technicians are correct. The quick take up master cylinder provides more brake fluid volume to take up the additional space between the pads and the rotor. They are fuel efficient.

Answer C is correct. Both technicians are correct.

Answer D is wrong. Both technicians are correct.