Sos Mechanic Certification- Brakes Exam With Correct Answers

When performing a caliper overhaul, what would you use to remove the pistons from the calipers? {Ans: Compressed air}Which of the following can be used to check for rotor thickness variation? {Ans: Dial indicator}All of the following procedures, EXCEPT one describe the correct method for bleeding the individual brakes on a car after the master cylinder has been bled: {Ans: The bleeding sequence for all systems begins with the left rear wheel.}If vacuum is present on both sides of the diaphragm in a brake booster: {Ans: The brakes are being released}After putting a bearing race in a hub, you notice that the new race is loose and can spin in the hub. What should you do? {Ans: Replace the hub}On a vehicle with a disc/drum brake system, the rear wheels lock up under hard braking. The most likely cause is: {Ans: A defective proportioning valve}