Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Chapter 53, Problem 5ASRQ
Technician A says that some antilock brake systems use a lateral acceleration sensor in addition to the wheel-speed sensors. Technician B says that traction control systems apply one wheel brake to get the vehicle going in the direction in which it is being steered. Who is correct?
- Technician A only
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Technician A says that some antilock brake systemsuse a lateral acceleration sensor in addition to thewheel-speed sensors. Technician B says that tractioncontrol systems apply one wheel brake to get the vehiclegoing in the direction in which it is being steered.Who is correct?a. Technician A onlyb. Technician B onlyc. Both A and Bd. Neither A nor B
Technician A says that a malfunction of the ABS causes the control module to shut off or inhibit the system. Technician B says that a loss of hydraulic fluid or power booster pressure disables the antilock brake system. Who is correct?
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Chapter 53 Solutions
Automotive Technology
Ch. 53 - What is the primary difference between an...Ch. 53 - Briefly describe the proper steps and testing...Ch. 53 - An ABS modulates brake pressure. What does this...Ch. 53 - Explain the difference between over steer and...Ch. 53 - List the various methods used by traction control...Ch. 53 - Besides indicating ABS faults for some systems,...Ch. 53 - What are the functions of an isolation/dump valve?Ch. 53 - Describe the normal pedal feel when the ABS is...Ch. 53 - Define the difference between an integrated and a...Ch. 53 - Why are the wires leading to some wheel-speed sen...
Ch. 53 - Describe the differences between passive and...Ch. 53 - Which of the following is a true statement? In...Ch. 53 - What is the name for the gas-filled pressure...Ch. 53 - When inspecting wheel-speed sensors, check for all...Ch. 53 - Prob. 4MCCh. 53 - Technician A says that a malfunction of the ABS...Ch. 53 - While road testing a car equipped with an ABS:...Ch. 53 - Technician A says that the accumulator in an ABS...Ch. 53 - Technician A says that it is normal for the amber...Ch. 53 - Technician A says that some antilock brake systems...Ch. 53 - Technician A says that wheel-speed sensors send an...Ch. 53 - Technician A says that an ABS problem can cause...Ch. 53 - Technician A says that each ABS has its own...Ch. 53 - Technician A says engine power may be reduced if...Ch. 53 - Technician A says that some traction control...
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- The purpose of the master cylinder is to. generate the hydraulic pressure needed to apply the brake mechanisms automatically pump the brakes during panic stops apply braking power when wheel slippage occurs all of the abovearrow_forwardWhile discussing quick take-up master cylinders: Technician A says that this design allows for increased braking power. Technician B says that this design is only used on drum brake systems. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forwardExplain how drum brakes create a self-multiplying brake force.arrow_forward
- Technician A says that some traction control systems eliminate wheel spin by applying the brakes on the driving wheels. Technician B says that some traction control systems eliminate wheel spin by retarding ignition timing and cutting off fuel injection. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forwardTrue or False? Disc brakes are not as likely to fade during heavy braking as are drum brakes.arrow_forwardWhile 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 Barrow_forward
- The advantages and disadvantages of disc brake systems are being discussed. Technician A says that disc brakes are more likely to develop brake fade and water fade. Technician B says that reduction of mechanical fade and gas fade is an advantage of disc brakes. Who is correct? A. A only B. B only C. Both A and B D. Neither A nor B 2. The operation of disc brake systems is being discussed. Technician A says that composite rotors were developed to save weight. Technician B says that a fixed rotor assembly is part of the hub. Who is correct? A. A only B. B only C. Both A and B D. Neither A nor Barrow_forwardTechnician 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_forwardWheel speed sensors provide different output, name the different types of sensors and describe their output?arrow_forward
- Technician A says that a hard brake pedal on a vehicle with disc brakes can be caused by air in the hydraulic system. Technician B says that a pulsating pedal on a vehicle with disc brakes can be caused by a restricted brake line. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor B.arrow_forwardName the three major assemblies that make up a disc brake.arrow_forwardTechnician A says that it is normal for the amber brake lamp to light when the ABS is activated during braking. Technician B says that it is normal for the red brake lamp to be on whenever the ignition is on and the engine is off. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forward
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