Question 1

A vehicle has a frozen caliper on the left front wheel. The right front caliper is in good condition. Technician A installs a set of four new pads and a remanufactured caliper on the left side. Technician B installs loaded calipers on the left and right side. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor B B

Question 2

A caliper piston is typically removed using a block of wood and ____________________

Accepted Answer

compressed air

Question 3

What are the two basic types of brake rotors used on today's vehicles?

Accepted Answer

Brake rotor types include solid and ventilated designs. Also rotors can be fixed or floating.

Question 4

A ____________________ rotor has the hub and the rotor cast as a single unit.

Accepted Answer

The answer of A ____________________ rotor has the hub and...

Question 5

What are the three major parts of a disc brake assembly?

Accepted Answer

The answer of What are the three major parts of...

Question 6

Identify the two items that are always replaced during caliper overhauls.

Accepted Answer

The answer of Identify the two items that are always...

Question 7

Rear disc brakes with auxiliary drum parking brakes automatically adjust ______.

Accepted Answer

A)   when the foot brake is applied in reverse
B)   when the foot brake is applied in forward
C)   when the parking brake is applied
D)   none of these answers is correct

Question 8

Tapered roller bearings are being discussed. Technician A says the grease seal is installed on the outboard side of the bearing. Technician B says the outer cup, or race, is pressed into the hub. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor B

Question 9

Technician A says the caliper piston seal prevents leakage of brake fluid between the cylinder bore and the piston. Technician B says the caliper piston seal does not contribute to the piston's automatic adjustment feature. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor B

Question 10

After brake pad replacement, what is the first thing the technician should do when the vehicle is lowered?

Accepted Answer

The answer of After brake pad replacement, what is the...

Question 11

When hydraulic pressure is diminished, the caliper piston seal functions as a return spring to retract the piston.

Accepted Answer

A) True 
 B)False

Question 12

What is parallelism?

Accepted Answer

The answer of What is parallelism?...

Question 13

Which of the following statements concerning ceramic rotors is NOT true?

Accepted Answer

A)   Ceramic rotors and the pads used with them wear out much faster than cast iron rotors
B)   They weigh half as much as a conventional rotor, which reduces unsprung weight
C)   They have excellent fade resistance and stopping power
D)   The vehicle's wheels stay cleaner because no black brake dust is released

Question 14

____________________ bearings are the most common bearings used on the front wheels of RWD and the rear wheels of FWD vehicles.

Accepted Answer

The answer of ____________________ bearings are the most common bearings...

Question 15

Technician A says unidirectional rotors can be installed on either the left side or right side of the car. Technician B says unidirectional rotors run cooler than conventional ventilated rotors. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   Neither a nor B

Question 16

Solid rotors are usually found on _____.

Accepted Answer

A)   the front brakes of small, compact vehicles
B)   the rear brakes of vehicles with rear disc brakes
C)   the front brakes of large pickup trucks and SUVs
D)   both "the front brakes of small, compact vehicles" and "the rear brakes of vehicles with rear disc brakes"

Question 17

On actuating calipers, the piston may have to be rotated before the _____ is (are) installed.

Accepted Answer

A)   pads
B)   dust boot
C)   pin bushings
D)   piston seal

Question 18

Caliper pistons that have threaded adjuster pushrods and internally threaded adjuster nuts are found on ______.

Accepted Answer

A)   front wheel calipers
B)   rear wheel calipers with auxiliary drum parking brakes
C)   rear wheel actuating calipers
D)   all answers are correct

Question 19

Brake ____________________ are metal plates with linings riveted or bonded to them.

Accepted Answer

The answer of Brake ____________________ are metal plates with linings...

Question 20

Which of the following is NOT part of a caliper assembly?

Accepted Answer

A)   piston
B)   dust boot
C)   anchor pin
D)   square cut seal

Exam 52: Disc Brakes