Technician A says the coil spring wrapped around a section of steel brake line is to help dissipate heat. Technician B says the spring wrapped around a section of steel brake line is to protect the line from abrasion wear. Who is correct?

When bleeding the brakes using the brake pedal, which of the following is true?

The specification stamped on the drum is 8.125" (206.38mm). Which measurement below would indicate a re-useable drum?

Brake fluid is leaking from the master cylinder reservoir cap. The seal is swollen and deformed. Which of the following could be the cause?

The parking brake warning light switch is misadjusted. Which light on the dash will most likely illuminate?

Which of the following best describes a four-wheel antilock (4WAL) antilock brake system?

Rotor runout is checked with a dial indicator and found to be out of specification. The rotor is removed, rotated 180 degrees, and reinstalled. The runout is checked again and is still out of specification. The excessive runout is in the same location on the hub. Which of the following is indicated?

Which of the following would be the most likely cause of an ABS code?

What is meant by "indexing" a rotor?

Technician A says machining the rotor on the vehicle helps to compensate for hub runout. Technician B says machining the rotor on the vehicle helps to compensate for wheel runout. Who is correct?

When constant pressure is held on the brake pedal it will slowly fade to the floor. Which is the most likely cause?

On a vehicle with disc brakes, the outside pad is worn much more than the inside pad. Which of the following could be the cause?

Technicain A says excessive rotor runout can be caused by a warped disc brake rotor. Technician B says excessive rotor runout can be caused by hub runout. Who is correct?

What would a C-clamp be used for during disc brake service?

The dimension stamp on a rotor is 1.18" (30.00mm). The left front rotor measures 1.17" (31.75mm). The right front rotor measures 1.29" (29.72). Which of the following is true?

When replacing the master cylinder, which of the following is true?

Refer to the illustration above. The parking brake works correctly; however, the brake does not operate when the service brake pedal is pushed. Technician A says the problem could be a stuck adjuster. Technician B says the problem could be a seized cam. Who is correct?

Technician A says the pin bushings are being installed in the illustration above. Technician B says the boot is being removed in the above illustration. Who is correct?

The brake pedal is slow to return when released on a vehicle with a hydro-boost brake booster. Which of the following is the most likely cause?

Which of the following would cause a drum to have hard spots?

Which of the following would be considered the most normal brake fluid service interval?

A technician is testing the accumulator on a hydro-boost brake booster. Which of the following is a correct test procedure?

Technician A says DOT 5 brake fuid is clear. Technician B says DOT 3 brake fluid is purple. Who is correct?

Which of the following best describes a three channel ABS system?

The brake pedal vibrates when applied on a vehicle with a hydro-boost brake booster. Which of the following is the most likely cause?

Technician A says the traction control system can signal the engine control module to reduce engine torque. Technician B says the traction control system can apply the vehicle brakes. Who is correct?

Rotor runout is checked with a dial indicator and found to be out of specification. The rotor is removed, rotated 180 degrees, and reinstalled. The runout is checked again and is still out of specification. The excessive runout is in the same location on the rotor. Which of the following is most likely indicated?

When the brakes are applied at low speed on a slippery surface the front brakes lock. Which of the following could be the cause?

A parking brake drags after application and release. Technician A says the cable may be rusty. Technician B says the brake drum may be bell mouthed. Who is correct?

The brake fluid in a vehicle is black. Which of the following is the most likely cause?

The rear brakes tend to lock during hard braking. Which of the following could be the cause?

Rotor runout is checked with a dial indicator and found to be out of specification. The rotor is removed, rotated 180 degrees, and reinstalled. The runout is checked again and found to be within specification. Which of the following is indicated?

Which of the following would cause a grooved drum?

Technician A says the red brake warning light is turned on by the parking brake warning light switch. Technician B says the red brake warning light is turned on by the pressure differential switch. Who is correct?

Technican A says a 1/4" drill bit may be needed to check the parking brake adjustment on some vehicles. Technician B says a hose clamp can be used to release the parking brake cable from the backing plate. Who is correct?

Technician A says some disc brake rotors are directional and can be installed only on one side of a car. Technician B says rotor thickness variation and parallelism refer to the same measurement. Who is correct?

Technician A says some vacuum brake booster systems used on diesel engines will have an engine driven vacuum pump. Technician B says some vacuum brake booster systems used on gasoline engines will have an engine driven vacuum pump. Who is correct?

Which of the following is the hardest to remove from a drum with a drum brake lathe?

Which of the following tools would most likely be used to measure wheel bearing end-play?

After a brake application, the inlet pressure gauge drops to normal; however, the outlet pressure gauge remains higher than normal. Technician A says a faulty combination valve could be the cause. Technician B says a faulty antilock braking system (ABS) modulator valve could be the cause. Who is correct?

The red brake warning light illuminates when the brake pedal is depressed. Which of the following is the LEAST LIKELY cause?

Which of the following is the correct disposal method for used brake fluid?

The brake warning lamp pictured above stays on any time the ignition switch is on. Technician A says this could be caused by a stuck closed parking brake switch. Technician B says this could be caused by a stuck closed brake warning lamp switch. Who is correct?

The wheels speed sensor is being checked with an ohmmeter. When the technician measures between one of the wires and chassis ground the ohmmeter shows 0.2 ohms. This indicates:

Technician A says the RWAL system may be deactivated on some vehicles when they are put in four-wheel drive mode. Technician B says some G force sensors are checked by measuring resistance while tilting the sensor. Who is correct?