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chapter 105

Terms in this set (10)

Two technicians are discussing vacuum brake boosters. Technician A says that a low, soft brake pedal is an indication of a defective booster. Technician B says that there should be at least two power-assisted brake applications after the engine stops running. Which technician is correct?
Technician B only
Technician A says that to check the operation of a vacuum brake booster, the brake pedal should be depressed until the assist is depleted and then start the engine. Technician B says that the brake pedal should drop when the engine starts, if the booster is okay. Which technician is correct?
Both Technicians A and B
Brake pedal feedback to the driver is provided by the ________.
Reaction system
The proper operation of a vacuum brake booster requires that the engine be capable of supplying at least ________.
15 in Hg vacuum
The purpose of the charcoal filter in the vacuum hose between the engine and the vacuum brake booster is to ________.
Trap gasoline vapors to keep them from entering the booster
A defective vacuum brake booster will cause a ________.
Hard brake pedal
An accumulator such as that used on electric or hydraulic brake boosters ________.
Provides a reserve in the event of a failure
The first step in diagnosing a Hydro-Boost problem is ________.
A thorough visual inspection
A brake pedal feels spongy when depressed. Technician A says that a defective hydraulic brake booster could be the cause. Technician B says that a defective vacuum brake booster could be the cause. Which technician is correct?
Neither Technician A nor B
If the engine stops running, the Hydro-Boost will not be able to provide any power assist for the brakes.
False
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