Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 49, Problem 9ASRQ
While performing a prealignment inspection: Technician A says that improper front-wheel bearing adjustment may affect wheel alignment angles. Technician B says that worn ball joints affect only the camber angle. Who is correct?
- Technician A only
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108) Technician A says that engine management malfunctions may be misinterpreted as transmission malfunction.
Technician B says that imbalance in driveline components or wheels may be a likely cause of vibration.
Which technician is correct?
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O Technician B
O Both technicians A and
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O Neither technician A
nor B
When checking the front end, which of the following are NOT cause for rejection?
Bearing cap is broken or missing or if there are any cracks or welded repairs to any components.
Front axle is bent or gear box mounting is loose, bolts are missing, or bolts or case are cracked.
All of the statements shown are cause for rejection.
The steering damper leaks, is loose, mount is cracked/ broken, or is missing or steering shaft coupler/universal is binding, frayed, or cracked.
An indirect TPMS is being discussed. Technician A says that if a specific tire is low, the system will typically alert the driver which tire is low. Technician B says that after serving the indirect TPMS, you need to perform a re-learn procedure. Who is correct?
Technician A
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Both Technician A and B
Neither Technician A or B
Chapter 49 Solutions
Automotive Technology
Ch. 49 - Define camber.Ch. 49 - What tire wear pattern will result from excessive...Ch. 49 - What can be caused by excessive negative caster?Ch. 49 - Describe the difference between toe-in and...Ch. 49 - Describe thrust angle and why it is important foi...Ch. 49 - What can cause incorrect toe-out-on-turns?Ch. 49 - In what direction must the bottom of a tire and...Ch. 49 - What is scrub radius and why is it important?Ch. 49 - Prob. 9SACh. 49 - Describe how caster adjustment may be used to com...
Ch. 49 - A 3-degree difference in the SAI angle on each...Ch. 49 - Prob. 12SACh. 49 - Which of the following is a good definition of...Ch. 49 - Unequal SAI angles on the left and right sides of...Ch. 49 - While driving straight, a FWD car pulls to the...Ch. 49 - Technician A says that negative caster provides...Ch. 49 - Technician A says that the purpose of the steering...Ch. 49 - Technician A says that the presence of a thrust...Ch. 49 - Technician A says that camber changes as the...Ch. 49 - Technician A says that caster can be adjusted on...Ch. 49 - Technician A says that on FWD vehicles, the front...Ch. 49 - Technician A says that if caster at both wheels is...Ch. 49 - While discussing front-wheel caster: Technician A...Ch. 49 - While performing a prealignment inspection:...Ch. 49 - While performing a prealignment inspection:...
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- While driving straight, a FWD car pulls to the right. The most likely cause is. more positive camber on the left front wheel compared to the right front wheel sagged front springs and improper front-wheel toe setting less positive caster on the right front wheel compared to the left front wheel the SAI on the right front wheel is 1*A degrees more than the SAI on the left.arrow_forwardTechnician A says that replacement wheel rims should be the same as the original equipment wheels in load capacity, offset, width, diameter, and mounting configuration. Technician B says that if wheels are installed that have a different stock width or diameter, make sure to use a tire that has the same overall width as the original tires. Otherwise the vehicles wheel-speed sensors, speedometer, antiock brake system, and many other systems will be affected. Who is correct? a. Technician A only b. Technician B only c. Both A and B Neither A nor Barrow_forwardWhile discussing a pressure test: Technician A says that this test is the most valuable diagnostic check for slippage when a gear is engaged. Technician B says that the test can identify the cause of late or harsh shifting. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forward
- While diagnosing the cause of noise from a transfer case: Technician A says that a probable cause is incorrect tire size. Technician B says that the most probable cause is a faulty bearing or gear. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forwardWhile 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 Barrow_forwardTechnician A says that a prerequisite to accurate road-testing analysis is knowing what planetary controls are applied in a particular gear range. Technician B says that all slipping conditions can be traced to a leaking hydraulic circuit. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forward
- While diagnosing the cause of a clicking noise that is heard only when the car is turning: Technician A says that the most probable cause is a worn wheel bearing. Technician B says that the most probable cause is a worn outboard CV joint. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forwardWhile discussing front-wheel caster: Technician A says that excessive positive caster increases the steering effort and causes harsh riding. Technician B says that excessive negative caster causes front-wheel shimmy. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forwardAfter installing cam bearings: Technician A checks that the oi, holes in the bearings are properly aligned with those in the block by squirting oil into the holes. Technician B checks for proper alignment by inserting a wire through the holes. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forward
- 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 correctarrow_forwardtechnician 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?arrow_forwardWhich of the following would NOT be cause for rejection when checking the tire condition? Any tire has a fabric break or cut exposing ply or cord or any tire is in contact with the body or frame. Any tire tread or recap is separated or any tire is flat. All of the statements shown are cause for rejection. Any tire has any bumps, bulges, or knots or is repaired with a boot or blowout patch.arrow_forward
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