Deck 111: Tire and Wheel Service

Question 1

A tire is worn excessively on both edges. The most likely cause of this type of tire wear is ________.

A)Excessive radial runout
B)Overinflation
C)Excessive axial runout
D)Underinflation

Answer 1

Underinflation

Question 2

When seating a bead of a tire, never exceed ________ psi.

A)50
B)30
C)40
D)60

Answer 2

40

Question 3

For best tire life, most vehicle manufacturers recommend tire rotation every ________.

A)9000 miles
B)3000 miles
C)6000 miles
D)12000 miles

Answer 3

6000 miles

Question 4

What lubricant should be used when mounting a tire?

A)Water-based soap
B)Grease
C)Silicone spray
D)SAE 10W-30 engine oil

Question 5

Using the modified X-method of tire rotation on a front wheel drive vehicle, where should the left front wheel be placed?

A)Right rear
B)Keep it at the left front
C)Left rear
D)Right front

Question 6

Which statement below is FALSE?

A)A tire out of balance dynamically can cause a shimmy-type vibration
B)Excessive radial runout can cause a tramp-type vibration
C)A tire out of balance statically can cause a tramp-type vibration
D)Excessive lateral runout can cause a tramp-type vibration

Question 7

The recommended type of wheel weight to use on aluminum (alloy) wheels is ________.

A)Lead with plated spring steel clips
B)Coated (painted) or stick-on lead weights
C)Aluminum weights
D)Lead weights with longer than normal clips

Question 8

Most vehicle and tire manufacturers recommend that no more than ________ ounce balance weight be added to a wheel/tire assembly.

A)5.5
B)3.5
C)4.5
D)2.5

Question 9

A vehicle vibrates at highway speed. Technician A says that water in the tire(s) could be the cause. Technician B says that an out-of-round tire could be the cause. Which technician is correct?

A)Both technicians A and B
B)Technician A only
C)Neither technician A nor B
D)Technician B only

Question 10

Proper tire inflation pressure specification is found ________.

A)In the owner's manual
B)On the driver's door or post
C)On the sidewall of the tire
D)Both A and B

Question 11

It is best to mount a tire with the round sticker aligned with the valve core.

Question 12

Technician A uses silicone lubricant to seat the bead of a tire. Technician B uses motor oil to seat the bead of a tire. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 13

To save time, technician A uses an impact socket on an impact wrench to tighten lug nuts. Technician B tightens lug nuts in a criss-cross pattern with a torque wrench. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 14

Technician A says that a vibration above 45 MPH indicates a possible out-of-balance tire. Technician B says that a vibration above 45 MPH can only be diagnosed if engine load is considered. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 15

Technician A says that the recommended method of tire rotation is side to side. Technician B says that the recommended method of tire rotation is the modified X method. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 16

If a vibration is felt in the steering wheel above 45 MPH, the problem is usually out-of-balance rear tires.

Question 17

Technician A says to check tire radial runout to determine the cause of high speed vibration. Technician B says to check tire axial runout to determine the cause of high speed vibration. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 18

What is the proper instrument for measuring runout?

A)Outside micrometer
B)Dial indicator
C)Vernier caliper
D)Inside micrometer

Question 19

Technician A says that inflation pressures vary with outside temperature. Technician B says that under-inflated tires cause reduced fuel economy. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 20

Two technicians are discussing a diagnostic procedure where a tire and wheel is spun freely with the vehicle on a hoist. Technician A says that if the treads appear to move inward and outward the tire should be balanced. Technician B says that if the treads move inward and outward the tire is defective and should be replaced. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 21

When installing a tire pressure monitoring system sensor on a wheel, the sensor should be mounted ________.

A)With the flat part of the sensor parallel to the center section of the rim
B)With the flat part of the sensor facing the center section of the rim
C)Both A and B
D)Neither A nor B

Question 22

What is the term used to describe mounting a tire with the valve stem lined up with the dot painted on the tire?

A)Equal configuration
B)Match mounting
C)Wheel balancing
D)None of these

Question 23

Technician A says that it is recommended that the vehicle be driven less than 50 mph for the first 50 miles to allow the tire to adhere to the wheel. Technician B says that sudden hard acceleration with newly mounted tires can cause the tire to change position on the wheel. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 24

Technician A says that most manufacturers recommend using anti-seize compound on lug studs when installing wheels. Technician B says that air impact wrenches are the best tool to tighten lug nuts. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 25

What is the proper tightening sequence for lug nuts?

A)Star (criss-cross) pattern
B)Counterclockwise rotation
C)Clockwise rotation
D)None of these

Question 26

Anytime a set of aluminum wheels is installed, the lug nuts should be re-torqued after how many miles?

A)75
B)50
C)25
D)100

Question 27

Compressed nitrogen is sometimes used for tire inflation because it holds less moisture than compressed air.

Question 28

When using a torque limiting adapter with an air impact wrench, what is the suggested maximum air pressure for the air tool?

A)30 psi
B)90 psi
C)125 psi
D)None of these

Question 29

Which is the preferred method for tire rotation?

A)Front to rear
B)Full "x"
C)Side to side
D)Modified "x"

Question 30

In the tool setup shown here, the technician is preparing to measure ________.

A)Lateral runout
B)Tire balance
C)Tire out-of-round
D)Radial runout