Question 1

One way to isolate a wheel bearing noise from a transmission noise is to drive the vehicle at the speed at which it is making the noise and then shift into a higher or lower transmission gear while _________.

Accepted Answer

A)   Speeding up
B)   Slowing down
C)   Maintaining the same speed
D)   Coasting to a stop C

Question 2

When bearings are used in pairs, the individual tapered roller bearing assemblies are generally referred to as:

Accepted Answer

A)   bearing one and bearing two.
B)   inner (or inboard)  and outer (or outboard) .
C)   Both A and B
D)   None of the above B

Question 3

In a 3/4 floating axle design, there is a single bearing assembly (usually a ball or ________ style) between the outside of the axle tube and the hub.

Accepted Answer

A)   Cylindrical roller bearing
B)   Semifloating
C)   Double Flange
D)   Single bearing A

Question 4

Faulty bearings creates an unusual noise which usually can be heard once the vehicle gets up to _____ mph.

Accepted Answer

A)   30-40
B)   0-5
C)   15-20
D)   40-50

Question 5

Tech A says that packing a wheel bearing assembly can be done by hand with proper results. Tech B says that packing a wheel bearing assembly with a bearing packer will get the proper results. Who is correct?

Accepted Answer

A)   Tech A
B)   Tech B
C)   Both Techs A and B
D)   Neither Tech A nor B

Question 6

Two technicians are discussing how to install a replacement tapered front wheel bearing. Tech A says when installing a bearing race you should use a 5 lb hammer and a brass drift. Tech B says that you should use a hydraulic press or a hammer and bearing race installer, carefully drive the race until it is fully seated in the hub. Who is right?

Accepted Answer

A)   Tech A
B)   Tech B
C)   Both A and B
D)   Neither A nor B

Question 7

In case of serviceable wheel bearings, the maximum allowable play is:

Accepted Answer

A)   0.001" (0.025mm) .
B)   0.010" (0.254 mm) .
C)   0.015" (0.381 mm) .
D)   0.020" (0.508 mm) .

Question 8

_________ refers to the absence of clearance in the bearing and the specified amount of pressure forcing the bearing components together.

Accepted Answer

A)   Preload
B)   Endplay
C)   Spacing
D)   Viscosity

Question 9

It can be challenge is to distinguish between a wheel bearing noise and a tire noise. The best approach to this problem is to drive over different road surfaces. Tech A states that if the noise changes, it is likely a tire problem. Tech B states that if the noise does not change, it is likely to be a faulty wheel bearing. Who is correct?

Accepted Answer

A)   Tech A
B)   Tech B
C)   Both A and B
D)   Neither A nor B

Question 10

Which component of a wheel bearing holds the rollers or balls in place?

Accepted Answer

A)   An outer race
B)   An inner race
C)   A bearing cage
D)   Interference fit

Question 11

Which type of bearing is recommended for a vehicle which is subjected to heavy loads and thrust during turning around the corners?

Accepted Answer

A)   Wheel bearing
B)   Cylindrical roller bearing
C)   Tapered roller bearing
D)   Ball bearing

Question 12

Tech A says that the best approach to determining if a noise is a wheel bearing or tire is to drive over different road surfaces such as asphalt and concrete. If the noise changes, it is likely a wheel bearing problem. Tech B says that the best approach to determining if a noise is a wheel bearing or tire is to drive over different road surfaces such as asphalt and concrete. If the noise does not change, it is likely a tire problem. Who is correct?

Accepted Answer

A)   Tech A
B)   Tech B
C)   Both Techs A and B
D)   Neither Tech A nor B

Question 13

All of the following can be caused by a loose or worn wheel bearing, EXCEPT:

Accepted Answer

A)   vehicle wander.
B)   vehicle engine oil leak.
C)   vehicle shimmy.
D)   vehicle vibration.

Question 14

Tech A says that the wheel bearing can damage the wheel hub or spindle/axle in a vehicle. Tech B says that bearing failure involves the race spinning in either the machined bore of the wheel hub or on the surface of the spindle/axle. Who is correct?

Accepted Answer

A)   Tech A
B)   Tech B
C)   Both Techs A and B
D)   Neither Tech A nor B

Question 15

________ can be damaged from excessive loads such as overloading the vehicle, shock loads such as hitting a large pot hole, improper adjustment, or just plain wear over time.

Accepted Answer

A)   Brake lines
B)   Brake pads
C)   SRS systems
D)   Wheel bearings

Question 16

Tapered roller bearings are used typically in what configuration?

Accepted Answer

A)   Same direction pairs only (both fac
B)   Opposing pairs only (both facing d
C)   Both same direction pair and opposi
D)   Neither same direction nor opposing

Question 17

Because tapered roller bearing assemblies use tapered components, the wheel bearing assembly must be adjusted to have the proper ________ between the tapered rollers and races when the bearing assemblies are installed.

Accepted Answer

A)   Friction
B)   Running clearance
C)   Lubrication
D)   All of the above

Question 18

Tech A says when installing a bearing race you should use a 3-lb hammer and a brass drift. Tech B says that when installing a bearing race you should use a 3-lb hammer and a 3/8" drive extension. Who is correct?

Accepted Answer

A)   Tech A
B)   Tech B
C)   Both A and B
D)   Neither A nor B

Question 19

Which of the following is a component of a typical wheel bearing?

Accepted Answer

A)   Inner race
B)   Outer race
C)   Both A and B
D)   None of the above

Question 20

What term is used to describe the outside component of a wheel bearing that has a smooth, hardened surface for rollers or balls to ride on?

Accepted Answer

A)   Roller cage
B)   Inner race
C)   Bearing cage
D)   Outer race

Exam 8: Wheel Bearing and Seal Service

One way to isolate a wheel bearing noise from a transmission noise is to drive the vehicle at the speed at which it is making the noise and then shift into a higher or lower transmission gear while _________.

When bearings are used in pairs, the individual tapered roller bearing assemblies are generally referred to as:

In a 3/4 floating axle design, there is a single bearing assembly (usually a ball or ________ style) between the outside of the axle tube and the hub.

Faulty bearings creates an unusual noise which usually can be heard once the vehicle gets up to _____ mph.

Tech A says that packing a wheel bearing assembly can be done by hand with proper results. Tech B says that packing a wheel bearing assembly with a bearing packer will get the proper results. Who is correct?

In case of serviceable wheel bearings, the maximum allowable play is:

_________ refers to the absence of clearance in the bearing and the specified amount of pressure forcing the bearing components together.

Which component of a wheel bearing holds the rollers or balls in place?

Which type of bearing is recommended for a vehicle which is subjected to heavy loads and thrust during turning around the corners?

All of the following can be caused by a loose or worn wheel bearing, EXCEPT:

Tech A says that the wheel bearing can damage the wheel hub or spindle/axle in a vehicle. Tech B says that bearing failure involves the race spinning in either the machined bore of the wheel hub or on the surface of the spindle/axle. Who is correct?

________ can be damaged from excessive loads such as overloading the vehicle, shock loads such as hitting a large pot hole, improper adjustment, or just plain wear over time.

Tapered roller bearings are used typically in what configuration?

Because tapered roller bearing assemblies use tapered components, the wheel bearing assembly must be adjusted to have the proper ________ between the tapered rollers and races when the bearing assemblies are installed.

Tech A says when installing a bearing race you should use a 3-lb hammer and a brass drift. Tech B says that when installing a bearing race you should use a 3-lb hammer and a 3/8" drive extension. Who is correct?

Which of the following is a component of a typical wheel bearing?

What term is used to describe the outside component of a wheel bearing that has a smooth, hardened surface for rollers or balls to ride on?