Technician A says that an external master cylinder leak will cause your brake pedal to pulsate. Technician B says low brake fluid will cause your breaks to lock up. Who is correct?

None of the three brake lights are working. Technician A says a cause could be an open light bulb. Technician B says a cause could be a blown fuse. Who is correct?

Technician A says that a parking brake that fails to release could be caused by a cable that is frayed inside. Technician B says that a dragging parking brake will cause over heating and premature brake wear. Who is correct?

Vacuum from engine to booster will have what type of vacuum?

Technician A says that the caliper slides should be checked for binding before installing new pads. Technician B says that there is no need to torque the caliper bolts during brake caliper installation. Who is correct?

Technician A says that when measuring rotor thickness variation, a dial indicator is used at multiple places around the rotor. Technician B says that when measuring rotor run-out, a micrometer is used while turning the rotor. Who is correct?

When performing a road test to check a brake system: Technician A says listen for abnormal noises when the brakes are applied. Technician B says when the brakes are applied the vehicle should not vibrate or shake. Who is correct?

All of the following statements about flexible hoses are true, EXCEPT:

Technician A says there is no specific manner in which to torque lug nuts. Technician B says you should never lubricate the lug studs and lug nuts.

Technician A says that excessive brake wear could be from caliper slides or hardware that is binding and needs cleaned or replaced. Technician B says that excessive brake wear could be from brake hoses or lines that are partially clogged. Who is correct?

All of the following statements about drum refinishing are true, EXCEPT:

When refinishing a rotor on an off-car brake lathe, all of the following may be true EXCEPT:

When refinishing a rotor using an on-car brake lathe, Technician A says that a vehicle lift may need to be used. Technician B says that proper setup and mounting of the brake lathe is necessary before refinishing the rotor. Who is correct?

Technician A says that when removing a caliper assembly to replace the pads, the assembly should be checked for leaks and/or damage. Technician B says that a caliper assembly is ok to use with a cracked piston, as long as the seal is not leaking. Who is correct?

When removing and reinstalling the rotor, Technician A says that removal of the wheel and brake caliper may be all that is necessary. Technician B says that removal, cleaning, repacking, and re-installation of the wheel bearings may be necessary. Who is correct?

Technician A says oil soaked brake shoes should be cleaned with brake cleaner and reused. Technician B says the self adjusters are the same on both sides and can be interchanged with each other. Who is correct?

Brake drum removal is being discussed. Technician A says that the brake drum and axle should be match marked for proper positioning when reinstalled. Technician B says match marking the drum to the axle requires an extra step and is not necessary. Who is correct?

Technician A says that sealed wheel bearing hub assembly have a double row of bearings. Technician B says that sealed wheel bearing hub assembly unit may be adjusted. Who is correct?

During inspection of the brake pads, the pads were found to have plenty of lining left but had a shiny coating on the friction material and tiny microscopic cracks. Technician A says the pads are glazed and must be replaced. Technician B says that these pads can be reused as long as you lightly sand them before you reinstall them. Who is correct?

Exposing Brake fluid to water lowers its____________.

Technician A says brake fluid should be tested with chemically treated test strips that change color when exposed to copper when testing for high moisture content. Technician B says high moisture content will cause the brake fluid to change to a copper color. Who is correct?

Vacuum from the engine to the brake booster is low. A possible cause could be: