Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Chapter 53, Problem 3ASRQ
Technician A says that the accumulator in an ABS is used to store hydraulic fluid to provide residual pressure for power-assist braking. Technician B says that the booster pump in an antilock system provides pressurized hydraulic fluid for the ABS. Who is correct?
- Technician A only
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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?
a. Technician A only
b.Technician B only
c.Both A and B
d.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?a. Technician A only.Technician B only.Both A and B.Neither A nor B
Technician A says if the amber ABS warning light is on continuously, the ABS system is still operational but may not be operating at 100 percent efficiency. Technician B says ABS operation might be affected by improperly turning the drums and rotors. Who is correct?
a.
A only
b.
B only
c.
both A and B
d.
neither A nor B
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Technician 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_forwardWhile road testing a car equipped with an ABS: Technician A says that during heavy braking, several pulses may be felt through the brake pedal. Technician B says that a spongy pedal during normal braking is normal. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forwardTechnician A says that each ABS has its own diagnostic procedure involving use of the brake and antilock warning lamps, special testers, breakout boxes, scan tools, troubleshooting charts, and wiring diagrams. Technician B says that ABSs vary in the number of codes they can store and whether they will retain the code in memory when the ignition is turned off. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forward
- Besides indicating ABS faults for some systems, the red brake warning lamp on the instrument panel can indicate failure of the brake system, application of the brake, or low fluid level in the.arrow_forwardTechnician a says that the malfunction of the ABS can cause the control module to shut off or inhibited the system technician B says the loss of the hydraulic fluid or power booster pressure disables to antilock brake system who is correctarrow_forwardThe hydraulic system of the hydro-boost and Powermaster is being discussed: Technician A says that the hydro-boost uses a power-steering pump. Technician B says that the Powermaster uses an electric motor-driven vane pump. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forward
- When removing a vehicles ABS electronic control module: Technician A relieves hydraulic pressure in the system. Technician B disconnects the battery ground cable. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forwardAn ABS modulates brake pressure. What does this mean?arrow_forwardTechnician A says that the use of firmer, urethane bushings in the suspension improves the vehicles road-holding ability and handling. Technician B says that firmer bushings help eliminate torque steer in some FWD vehicles. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forward
- Before servicing a hydraulic power booster system, ______. a. drain the power steering reservoir b. pump the brake pedal with the engine off until the pedal goes hard c. open all four brake bleeders d. disconnect the batteryarrow_forwardDefine the difference between an integrated and anonintegrated antilock braking system.arrow_forwardTechnician A says power brakes are designed with vacuum-assisted units that use engine vacuum. Technician B says power brakes are designed with vacuum-assisted units that use vacuum developed by an external pump. Who is correct? a. A only b. B only c. both A and B d. neither A nor B Synthetic linings are made of _____ a. fiberglass b. aramid fiber c. both A and B d. neither A nor B All manufacturers recommend a specific sequence to follow when bleeding a vehicle’s brakes. a. True b. False Organic friction material _____ semimetallic materials. a. is quieter than b. is more fade resistant than c. requires higher pedal pressure than d. wears out faster thanarrow_forward
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