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Brakes ASE Chapter 46

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which tool is used to measure the lateral runout of a rotor?

a)

Vernier caliper

b)

Inside micrometer

c)

Dial indicator

d)

Depth micrometer

2.

Tech A says that some vehicles use fixed calipers. Tech B says that some vehicles use sliding/floating calipers. Who is correct?

a)

Tech A

b)

Tech B

c)

Both A and B

d)

Neither A nor B

3.

All of the following can cause brake pedal pulsation, EXCEPT:

a)

warped rotors

b)

ABS operation

c)

rotor parallelism

d)

low brake fluid

4.

Tech A says that the disc brake rotor is the main rotating part of the disc brake system. Tech B says that the disc brake pads are located in the disc brake caliper only. Who is correct?

a)

Tech A

b)

Tech B

c)

Both Techs A and B

d)

Neither Tech A nor B

5.

Which of the following is/are LEAST likely to be used to reduce disc brake squeal?

a)

Shims

b)

Spacers

c)

Axle grease

d)

Bendable tangs

6.

Diagnosing a drum brake concern will always be as simple as stepping on the brake pedal without moving the vehicle and feeling the level that the brake pedal sinks to.

a)

True

b)

False

7.

A dial indicator may be used for measuring rotor:

a)

thickness

b)

runout

c)

hot spots

d)

groove wear

8.

If the vehicle is safe to drive, it is common practice to test-drive the vehicle to verify the customer concern.

a)

True

b)

False

9.

If a retracting tool is not available, which of the following can be used to retract the pistons in a caliper with non-integrated parking brakes?

a)

a pair of vice grips

b)

slip joint pliers

c)

a c-clamp

d)

a soft-faced mallet

10.

One safe way to test whether a braking problem is at the front or rear brakes is to drive at a low speed and:

a)

lightly apply the service brakes

b)

lightly apply the parking brake

c)

repeatedly tap the service brakes

d)

pull hard on the parking brake lever

11.

To perform a thorough inspection of brake pads, you should do all of the following EXCEPT:

a)

inspect the pads to see if they are wearing evenly

b)

inspect all pads, retaining hardware, and anti-noise shims

c)

measure the remaining brake pad thickness and compare the specifications

d)

measure the pad-to-caliper piston clearance

12.

Technician A states that pinching off the flexible brake hoses with vice grip pliers is a recommended method of closing rubber brake lines. Technician B states that using a brake pedal holding tool to slightly apply the brakes and block off the compensating ports the master cylinder is a recommended method to minimize the brake fluid draining when brake lines or hoses are removed. Who is correct?

a)

Technician A

b)

Technician B

c)

Both Tech A and Tech B

d)

Neither Tech A nor Tech B

13.

When seating the brake pads just installed in the brake calipers, a technician should place his or her left foot under the brake pedal so that when applying the pedal with the right foot, the pedal does not push the master cylinder farther into the master cylinder bore, which could:

a)

dislodge sludge

b)

cut the lips of the master cylinder primary seals

c)

Both are correct

d)

None are correct

14.

Technician A states that retracting the caliper piston on an integrated parking brake calipers can best be performed with a C-clamp. Technician B states that integrated parking brake calipers require a tool to turn the piston in the direction that causes the piston to retract. Who is correct?

a)

Technician A

b)

Technician B

c)

Both Tech A and Tech B

d)

Neither Tech A nor Tech B

15.

When retracting the caliper piston on an integrated parking brake system:

a)

Apply and release the parking brake at least 10 times to retract the piston

b)

Use a pry bar to gently pry it back into the bore

c)

Use a special C clamp to push the piston back into the bore

d)

Use a special tool to screw it back into the bore

16.

Tech A says that a wheel stud that shows signs of cross-threaded lug nuts should be rethreaded with a die and put back in service. Tech B says that a wheel stud that shows signs of cross-threaded lug nuts should be replaced. Who is correct?

a)

Technician A

b)

Technician B

c)

Both Tech A and Tech B

d)

Neither Tech A nor Tech B

17.

Tech A says that many wheels use a tapered hole that matches the tapered end of the lug nut and centers the wheel on the wheel flange. Tech B says that manufacturers usually suggest tightening wheel lugs in a circular pattern. Who is correct?

a)

Tech A

b)

Tech B

c)

Both Tech A and Tech B

d)

Neither Tech A nor Tech B

18.

When installing lug nuts, you should do all of the following EXCEPT:

a)

Start them by hand

b)

Torque them the first time in a circular pattern

c)

Have the weight of the vehicle off the wheels

d)

Torque them the last time in a circular pattern

19.

Excessive disc brake rotor thickness variation will cause:

a)

the brake pads to wear on a slant.

b)

brake pedal pulsation.

c)

the caliper pistons to seize in their bores.

d)

a squishy brake pedal.

20.

True or False. Rotors that are too thin cannot handle as much heat and will experience brake fade.

a)

True

b)

False