Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Question
Chapter 45, Problem 10ASRQ
To determine
The correct technician among the two, i.e., A and B who are discussing the loose wheel bearings.
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Technician A says that on FWD vehicles, the front wheels toe-out while the rear wheels on an independent suspension try to toe-in as the vehicle moves ahead. Technician B says that on RWD vehicles, the front wheels tend to toe-in while the rear wheels toe-out in response to rolling resistance as suspension compliance. Who is correct?
Technician A says that on most vehicles, the wheel/tire assembly is considered sprung weight . Technician B says that low unsprung weight makes the vehicle handle better on irreg ular surfaces. Who is correct?
Mom and vibrations
c) Explain why the wheel/tire balancing is necessary.
Chapter 45 Solutions
Automotive Technology
Ch. 45 - List five things that could cause premature...Ch. 45 - Define lateral and radial runout.Ch. 45 - Prob. 3SACh. 45 - Define dynamic and static wheel balance.Ch. 45 - Describe the proper procedure to seal a puncture...Ch. 45 - The rim offset is the vertical distance between...Ch. 45 - Prob. 7SACh. 45 - Explain why a TPMS relearn should be performed...Ch. 45 - A tire that wobbles from side-to-side is said to...Ch. 45 - A front tire has excessive wear on both edges of...
Ch. 45 - All of the following statements are correct...Ch. 45 - All of the following statements are correct...Ch. 45 - Which of the following statements about sidewall...Ch. 45 - All of these statements about improper wheel...Ch. 45 - Prob. 7MCCh. 45 - Technician A says that the front wheel bearings on...Ch. 45 - Technician A says that dynamic wheel imbalance...Ch. 45 - Technician A says that front bearing assembly...Ch. 45 - Technician A says that replacement wheel rims...Ch. 45 - Prob. 5ASRQCh. 45 - While choosing the correct tire for a vehicle:...Ch. 45 - Technician A says that on most vehicles, the...Ch. 45 - Prob. 8ASRQCh. 45 - Prob. 9ASRQCh. 45 - Prob. 10ASRQ
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While diagnosing the cause of wheel shimmy: Technician A says that this problem can be caused by loose wheel bearings. Technician B says that this can be caused by binding steering column U-joints. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor B
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Define dynamic and static wheel balance.
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Describe the differences between passive and active wheel speed sensors.
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when discussing shift problems, technician A says that worn or broken engine and transaxle mounts can cause a transaxle to have shifting problems. technician b says that poor shift boot alignment can cause a transaxle to jump out of gear
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Technician a says radial ply tires are more rigid in the sidewall area than bias ply tires. Technician b says the belts in a radial tire restrict tread motion during contact with the road thus improving tread life in traction. who is correct
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Technician A says the front wheel bearings on a typical FWD car are sealed and non-adjustable. Technician B says the front wheel bearings on a typical FWD car are greaseable and adjustable. Who is correct?
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All of these statements about improper wheel balance are true except? a. Dynamic imbalance may cause wheel shimmy. b. Dynamic imbalance may cause steering pull in either direction. c. Static imbalance causes wheel tramp. d. Static imbalance causes rapid wear on suspension components.
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Technician A says that the front bearing assembly locknuts for RWD vehicles are typically heavily torqued to maintain the bearing adjustment. Technician B says that the axle nuts for FWD wheel bearing assembly is often staked in place to maintain its specified torque. Who is correct?
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technician a says that camber changes as the suspension moves up and down. technician b says that camber changes as the vehicle is loaded on the suspension sags under the weight. who is correct?
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When discussing shift problems,Technician A says that worn or broken engine and transaxle mounts can cause a transaxle to have shifting problems.Technician B says that poor shift boot alignment can cause a transaxle to jump out of gear?
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While discussing steering problems: Technician A says that a “jerky” steering wheel and a “clunking” noise could indicate worn steering column U-joints. Technician B says that lack of assist and a “growling” noise in a fluid-filled steering pump could indicate a hose or pump internal restriction. Who is correct?
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While discussing pull during braking: Technician A says that this can be caused by one tire being underinflated. Technician B says that a frozen wheel cylinder on one side of the car can cause this. Who is correct? Technician A only Technician B only Both A and B Neither A nor B
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