Fill - Free fillable Chapter ha te Tire, Wheel, and Wheel Bearing PDF form

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Name _________________________________________________________________________ Date _________________________

Instructor _____________________________________________________________________ Score ________________________

Chapter

74

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Objective: After studying this chapter, you will be able to service tires, wheels, and wheel bearings.

Tire, Wheel, and Wheel Bearing Diagnosis

________ 1. When noting problems in a steering assembly such as vibration, abnormal tread wear, or

steering wheel pull, make sure that symptoms are not caused by _____ problems.

(A) steering

(B) suspension

(C) front wheel alignment

(D) All of the above.

2. When inspecting tires, what should you look for?

_______________________________________________________________________________________________________

________ 3. Which of the following is not included in impact damage?

(A) Punctures.

(B) Cuts.

(C) Cracking.

(D) Tears.

4. A tire _____ can usually be studied to determine the _________________________________________________

cause of the abnormal wear.

5. Underinﬂ ation wears the _____ of the tread, while _________________________________________________

overinﬂ ation wears the _____ of the tread.

_________________________________________________

6. What can happen with tire underinﬂ ation?

_______________________________________________________________________________________________________

Tire, Wheel, and Wheel Bearing

Diagnosis, Service, and Repair

Copyright Goodheart-Willcox Co., Inc. May not be reproduced or posted to a publicly accessible website.

482 Modern Automotive Technology Workbook

7. What can happen with tire overinﬂ ation?

_______________________________________________________________________________________________________

8. What factors determine tire inﬂ ation pressure?

_______________________________________________________________________________________________________

9. What causes steering wheel pull?

_______________________________________________________________________________________________________

10. What causes tire vibration?

_______________________________________________________________________________________________________

11. When one of the _____ tires is vibrating, it can usually _________________________________________________

be felt in the steering wheel. When one of the _____ tires

_________________________________________________

is vibrating, the vibration will be felt in the center and

rear of the car.

12. How do you tell the difference between tire noise and wheel bearing noise?

_______________________________________________________________________________________________________

13. How do you check for a loose wheel bearing?

_______________________________________________________________________________________________________

Copyright Goodheart-Willcox Co., Inc. May not be reproduced or posted to a publicly accessible website.

Chapter 74 Tire, Wheel, and Wheel Bearing Diagnosis, Service, and Repair 483

Name _________________________________________________________________________

14. Label the types of tire damage.

C

B

A

G

F

E

D

(A) _____________________________________________

(B) _____________________________________________

(C) _____________________________________________

(D) _____________________________________________

(E) _____________________________________________

(F) _____________________________________________

(G) _____________________________________________

Wheel Cover and Cap Service

15. To install a barbed wheel cover, use a(n) _____ hammer. ____________________________________________

Tire Maintenance

________ 16. Tire maintenance involves periodic _____.

(A) rotation

(B) inspection

(C) checking of inﬂ ation pressure

(D) All of the above.

17. Most tire manufacturers recommend a cold inﬂ ation _________________________________________________

pressure of _____ to _____ psi below the maximum

_________________________________________________

listed air pressure.

18. Deﬁ ne tire load index number.

_______________________________________________________________________________________________________

19. What is the purpose of performing a tire rotation?

_______________________________________________________________________________________________________

Copyright Goodheart-Willcox Co., Inc. May not be reproduced or posted to a publicly accessible website.

484 Modern Automotive Technology Workbook

20. What problems can result from overtorquing and undertorquing lug nuts on new vehicles?

_______________________________________________________________________________________________________

Measuring Tire and Wheel Runout

21. Deﬁ ne the following terms.

Tire runout:

_______________________________________________________________________________________________________

Wheel runout:

_______________________________________________________________________________________________________

Lateral runout:

_______________________________________________________________________________________________________

Radial runout:

_______________________________________________________________________________________________________

22. Give typical speciﬁ cations for the following runouts.

Tire radial runout: _____________________________________________________________________________________

Tire lateral runout: ____________________________________________________________________________________

Wheel radial runout: __________________________________________________________________________________

Wheel lateral runout: __________________________________________________________________________________

Wheel Balance

23. What does static imbalance cause the tire to do?

_______________________________________________________________________________________________________

24. What does dynamic imbalance cause?

_______________________________________________________________________________________________________

Copyright Goodheart-Willcox Co., Inc. May not be reproduced or posted to a publicly accessible website.

Chapter 74 Tire, Wheel, and Wheel Bearing Diagnosis, Service, and Repair 485

Name _________________________________________________________________________

25. How do you balance a wheel assembly?

_______________________________________________________________________________________________________

26. To dynamically balance a wheel and tire, where must weights be added?

_______________________________________________________________________________________________________

27. Name the two basic types of wheel balancing machines.

_______________________________________________________________________________________________________

Mounting and Dismounting Tires

28. On a tire changer, the pneumatic _____ is used ﬁ rst to _________________________________________________

force the tire bead away from the wheel rim.

Tire Puncture Repair

29. Explain the process to ﬁ nd a leak.

_______________________________________________________________________________________________________

30. True or False? You should always dismount a _________________________________________________

punctured tire and patch the inner liner.

31. True or False? When removing an object from the _________________________________________________

tire, increase air pressure to over 15 psi.

32. What are the two requirements for correct tire puncture repair?

_______________________________________________________________________________________________________

33. A(n) (direct/indirect) _____ tire pressure monitoring _________________________________________________

system uses pressure sensor mounted inside each tire

to monitor tire pressure.

34. A(n) (direct/indirect) _____ tire pressure monitoring _________________________________________________

system relies on the anti-lock brake system wheel

speed sensors to monitor wheel rotational speeds and

tire pressure.

Copyright Goodheart-Willcox Co., Inc. May not be reproduced or posted to a publicly accessible website.

486 Modern Automotive Technology Workbook

________ 35. Battery life for battery-powered tire pressure sensors is _____ years.

(A) 1–2

(B) 3–4

(C) 5–6

(D) 7–8

________ 36. When installing a new drop center-mounted sensor, position new sensor _____ from the valve

stem.

(A) 35°

(B) 45°

(C) 90°

(D) 180°

37. After a sensor is replaced or a vehicle’s tires are _________________________________________________

rotated, the sensors must be _____.

Wheel Bearing Service

38. Wheel bearings are normally ﬁ lled with _____. _________________________________________________

39. In your own words, explain how to disassemble a nondriving tapered roller wheel bearing assembly.

_______________________________________________________________________________________________________

40. True or False? All-purpose grease can be used to _________________________________________________

lubricate wheel bearings.

41. How do you pack wheel bearings?

_______________________________________________________________________________________________________

42. True or False? Ball or straight roller wheel bearing _________________________________________________

assemblies are not serviced unless speciﬁ ed or when

major repairs are necessary.

Copyright Goodheart-Willcox Co., Inc. May not be reproduced or posted to a publicly accessible website.

Chapter 74 Tire, Wheel, and Wheel Bearing Diagnosis, Service, and Repair 487

Name _________________________________________________________________________

43. What could go wrong if a front-wheel-drive wheel bearing is installed backward?

_______________________________________________________________________________________________________

44. Label the drawings showing wheel bearing problems.

D

E

F

C

B

A

I

J

K

H

G

(A) _____________________________________________

(B) _____________________________________________

(C) _____________________________________________

(D) _____________________________________________

(E) _____________________________________________

(F) _____________________________________________

(G) _____________________________________________

(H) _____________________________________________

(I) _____________________________________________

(J) _____________________________________________

(K) _____________________________________________

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