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9 Cards in this Set
- Front
- Back
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Two technicians are discussing master cylinders. Technician A says it is normal to see fluid movement in the reservoir when the brake pedal is depressed. Technician B says a defective master cylinder can cause the brake pedal to slowly sink to the floor when depressed. Which technician is correct?
A. Technician A only B. Tech B only C. Both Technicians A and B D. Neither Technician A and B |
The correct answer is C. |
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Technician A says a pull to the right during braking could be caused by a defective metering valve. Technician B says a pull to the left could be caused by a defective proportioning valve. Which technician is correct? A. Tech A B. Tech B C. Both Techs D. Neither Tech |
The correct answer is D. |
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A replacement vacuum brake booster and master cylinder was installed and then during a test drive, the brakes self-applied after about 10 minutes of driving. Technician A says that the brake pedal linkage may be incorrectly adjusted or the wrong parts were installed that has caused the vent port (compensating port) to be blocked. Technician B says the master cylinder reservoir may have been overfilled. Which technician is correct? A. Tech A B. Tech B C. Both Techs D. Neither Tech |
The correct answer is C. |
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The primary brake circuit fails due to a leak in the lines leaving the rear section of a dual-split master cylinder. Technician A says that the driver will notice a lower-than-normal brake pedal and some reduced braking power. Technician B says that the brake pedal will "grab" higher than normal. Which technician is correct? A. Technician A B. Technician B C. Both Technicians A and B D. Neither Technicians |
The correct answer is A. |
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Two technicians are discussing a problem where the brake pedal travels too far before the vehicle starts to slow. Technician A says that the brake pedal linkage maybe out of adjustment. Technician B says that one circuit from the master cylinder may be leaking or defective. Which technician is correct? A. Tech A only. B. Tech B only. C. Both Technicians D. Neither Technician |
The correct answer is C. |
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The rear brakes lock up during a regular brake application. Technician A says the metering valve could be the cause. Technician B says that stuck front disk brake calipers could be the cause. Which technician is correct? A. Tech A only B. Tech B only C. Both Techs D. Neither Tech |
The correct answer is B. |
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A lower than normal and spongy brake pedal is being diagnosed. Tech A says that air in the hydraulic system could be the cause. Technician B says a defective pressure differential switch could be the cause. Which technician is correct? A. Tech A B. Tech B C. Both Techs D. Neither Tech. |
The correct answer is a. |
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The button on the ___________ valve should be held when pressure bleeding the brakes. A. Metering valve B. Proportioning valve C. Pressure differential valve D. Residual check valve |
The correct answer is A. |
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Most vehicle manufacturers specify brake fluid that meets what specification? A. DOT 3 B. DOT 4 C. DOT 5 D. DOT 5.1 |
The correct answer is A. |
