Wheel and tire diag

Question 1

96. A tire has excessive radial runout. Tech A says that it should be broken down and the tire rotated 180 degrees on the wheel and retested. Tech B says that the tire should be replaced. Which tech is correct?

Answer 1

A

Question 2

97. Using the modified X tire rotation method on a front wheel drive vehicle would placed the right front tire on the?
    A. Left front
    B. Left rear
    C. Right rear
    D. Right front

Answer 2

C

Question 3

98. A tire is worn excessively on both edges. The most likely cause of this type of tire wear is?
    A. Over inflation
    B. Underinflation
    C. Excessive radial runout
    D. Excessive lateral runout

Answer 3

B

Question 4

99. When seating a bead of a tire, never exceed _______?
    A. 30 PSI
    B. 40 PSI
    C. 50 PSI
    D. 60 PSI

Answer 4

B

Question 5

100. Which type of clip on wheel weight should a technician use on aluminum (alloy) wheels?
     A. Lead or steel weights
     B. Coated (painted) weights
     C. Uncoated lead or steel weights with longer than normal clips
     D. Aluminum weights

Answer 5

B

Question 6

101. Tech A says that lug nuts should be tightened in a star pattern. Tech B says that a torque wrench should be used to be assured that all the lug nuts are uniformly tightened to a specified torque. Which tech is correct?

Answer 6

C

Question 7

102. Two techs are discussing mounting a tire on a wheel. Tech A says that for the best balance, the tire should be match mounted. Tech B says that silicone spray should be used to lubricate the tire bead. Which tech is correct?

Answer 7

A

Question 8

103. Most manufacturers of passenger vehicles specify a lug nut torque of about?
     A. 80-100 ft-lbs
     B. 110-125 ft-lbs
     C. 130-150 ft-lbs
     D. 160-175 ft-lbs

Answer 8

A

Question 9

104. Two techs are discussing a vehicle that has excessive lateral runout. Tech A says that the rim could be bent. Tech B says that the hub could have excessive runout. Which tech is correct

Answer 9

C

Question 10

105. Refer to book

Answer 10

A

Question 11

106. A SUV customer complains that the TMPS warning lamp was on (not flashing) yet all four tires were properly inflate to placard spec. On this vehicle the dash does not include information on individual inflation but is just a warning lamp and message. What is the most likely cause?
     A. Incorrect inflation pressure
     B. A full size spare tire that is underinflated
     C. A defective tire pressure sensor
     D. A fault with the TPMS controller

Answer 11

B

Question 12

107. A RWD vehicle has a vibration that is felt in the steering wheel at highway speeds. Tech A says that the drive shaft (prop shaft) may be bent or out of balance. Tech B says that the front tires could be out of balance. Which tech is correct?

Answer 12

B

Question 13

108. A low tire warning lamp is on. The tech checked and all four tires were properly inflated to the specification found on the drivers door placard. Tech A says that the full size spare could be low. Tech B says to overinflate the tires to put out the warning lamp. Which tech is correct?

Answer 13

A

Question 14

109. A TPMS dash warning is flashing. Tech A says that this means that a low tire has been detected. Tech B says that this means that the system has detected a fault such as a wheel sensor that is no longer broadcasting. Which tech is correct?

Answer 14

B

Question 15

110. What may be required to learn a new tire pressure monitor wheel sensor?
     A. A scan tool
     B. A TPMS tool
     C. A magnet
     D. All of the above

Answer 15

D