ASE BRAKES Exam #6 with Complete Solutions

C - ANSWER-What would a C-clamp be used for during disc brake service? A. Seating the pads on the rotor B. Seating the caliper on the guides C. Retracting the piston in the bore D. Compressing the pads into the piston D - ANSWER-The red brake warning light illuminates when the brake pedal is depressed. Which of the following is the LEAST LIKELY cause? A. Air in the front brake system B. Air in the rear brake system C. Low brake fluid level D. Faulty ABS pump assembly B - ANSWER-Which of the following would be considered the most normal brake fluid service interval? A. 1 year/15,000 miles B. 3 year/36,000 miles C. 6 years/72,000 miles D. 10 years/100,000 miles A - ANSWER-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? A. The left rotor needs to be replaced. B. The right rotor needs to be replaced. C. Both rotors need to be replaced. D. Neither rotor needs to be replaced. D - ANSWER-The brake fluid in a vehicle is black. Which of the following is the most likely cause? A. The brake fluid is contaminated with power steering fluid. B. The brake fluid is contaminated with water. C. Black is a normal brake fluid color. D. The brake fluid needs to be replaced with new. C - ANSWER-Technician 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? A. A B. B C. Both A and B D. Neither A nor B B - ANSWER-The brake pedal vibrates when applied on a vehicle with a hydro-boost brake booster. Which of the following is the most likely cause? A. A restricted booster supply hose B. A loose power steering pump belt. C. A restricted front brake line D. A restricted rear brake line A - ANSWER-When bleeding the brakes using the brake pedal, which of the following is true? A. A hose should be attached to the bleeder screw and submerged in brake fluid. B. The bleeder screw should be closed throughout the downward stroke of the brake pedal. C. The bleeder screw should be loosened two complete turns. D. The brake pedal should be stroked as quickly as possible. C - ANSWER-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? A. A B. B C. Both A and B D. Neither A nor B A - ANSWER-The specification stamped on the drum is 8.125" (206.38mm). Which measurement below would indicated a re-usable drum? A. 8.025" (203.84mm) B. 8.126" (206.38mm) C. 8.225" (208.92mm) D. 8.325" (211.45mm) B - ANSWER-The rear brakes tend to lock during hard braking. Which of the following could be the cause? A. Metering valve B. Proportioning valve C. Quick take up valve D. Pressure differential valve D - ANSWER-Which of the following best describes a four-wheel antilock (4WAL) antilock brake system? A. It is a four-wheel antilock system used only on four-wheel drive vehicles. B. It is a four-wheel antilock system used only on all-wheel drive vehicles. C. It is a four-wheel antilock system used only on pick-up trucks. D. It is a four-wheel antilock system used on a variety of vehicles.