Exam 103: Parking Brake Operation, Diagnosis, and Service

Federal regulations require the parking brake to hold the vehicle in position on a 20 percent grade.

Technician A says that if the parking brake cable is adjusted too tight, the rear brakes may drag and overheat. Technician B says that the parking brake is adjusted properly if the cable is tight when in the released position. Which technician is correct?

Excess slack in the parking brake cables can be eliminated in most cases by an adjustment at the ________.

Two technicians are discussing parking brake systems that mechanically actuate the rear disc brakes. Technician A says that the calipers are self-adjusting. Technician B says that the actuating cables are adjustable at the equalizer. Which technician is correct?

The parking brake warning light is independent of all other systems.