Brakes

If a brake hose requires replacement.

Cut the hose and splice in a new section.
Patch the hose using a suitable patching solution.
Replace the hose.
Fabricate a new hose and replace the old hose.

Technician A says that a low pedal complaint may be due to inoperative drum brake self-adjusters. Technician B says that a low pedal complaint may be due to weak shoe return springs. Who is right?

Technician A
Technician B
both
neither

Brake pedal reserve that gradually fades under light pressure indicates.

A brake line restriction.
Spring tension on the brake pedal is weak.
Internal leaks.
The system is operating properly.

Slight taper wear on disc brake pads removed from a floating caliper is most likely the result of.

A sticking caliper piston.
A lack of caliper guide pin lubrication.
Normal wear.
A lack of rotor parallelism.

If a vacuum power booster is in good condition, starting the engine after the booster has been depleted will cause the brake pedal to.

Sink slightly.
Pulse rapidly.
Rise slightly.
Stay the same

Technician A says that scored rotors cause pedal pulsation. Technician B says that pulsation is caused by disc thickness variation. Who is right?

Technician A
Technician B
Both
Neither

When first testing a car equipped with ABS, it is important to.

Try to lock the brakes.
Disconnect the battery ground.
Use the parking brake.
Note the status of the ABS warning light.

Tapered roller wheel bearings can be adjusted by all of the following EXCEPT.

Hand method.
Torque wrench method.
Tension gauge method.
Dial indicator method.

Technician A says that a low brake pedal may be caused by lack of self-adjustment of rear disc calipers with integral parking brake. Technician B says that a low brake pedal may be caused by worn out front disc brake pads. Who is right?

Technician A
Technician B
Both
Neither

To check the fluid level on an integral antilock system when the accumulator must be charged.

Switch the ignition OFF, pump the brake pedal until the pedal feels hard, then check the fluid level.
Check fluid level as you would on a vehicle without ABS
Switch the ignition ON, pump the brake pedal to start the pump motor, then check the fluid level after the pump stops.
Switch the ignition ON, pump the brake pedal to start the pump motor, then check the fluid level with the pump running.

When you blow into a vacuum check valve in the direction of the intake manifold.

Air should pass through freely.
Air should not pass through.
Air should pass through with difficulty.
You should feel the check valve vibrate.

Generally speaking, which of the wheel brakes should you bleed first?

The one farthest from the master cylinder.
The one closest to the master cylinder.
The one closest to the driver.
The one closest to the passenger.

If the parking brake will not keep the vehicle from rolling on an incline, the cause may be.

Seized wheel cylinder pistons.
Cables shortened excessively at last reline.
Seized cables.
Out-of-round drums.

What special tool is required to pressure bleed a system equipped with a metering valve?

An adjustment gauge.
A torque wrench.
A vacuum tool.
An override tool.

With Hydro-Boost, when you discharge the accumulator, then start the engine, the pedal should.

Push back.
Push back, then sink toward the floor.
Sink toward the floor, then push back.
Sink toward the floor.

Diagnose the condition of sealed, double-row bearings with.

A dial indicator.
A seal inspection.
A micrometer.
A torque wrench.

Technician A says that with the engine off you should feel that power assist is present for at least two pedal strokes with a vacuum booster. Technician B says the vacuum in the booster should disappear immediately when the engine is shut down. Who is right?

Technician A
Technician B
Both
Neither

An ABS warning lamp that comes on when the vehicle first begins to move generally indicates.

A wheel speed sensor problem.
A master cylinder problem.
An isolation valve problem.
An accumulator problem.

A vehicle equipped with ABS exhibits a brake pull when the brakes are moderately applied. The amber ABS indicator on the dash is functioning correctly and proves out when the vehicle is started. The most likely cause of the brake pull is.

A stuck ABS isolation valve.
A faulty wheel speed sensor signal.
A blown ABS pump motor fuse.
A concern not related to the ABS system.

All of the following indicate that wheel bearings need service EXCEPT.

A growling sound that increases with cornering loads.
A body vibration that occurs when the brakes are applied.
Roughness, grease seal leakage, and excessive axial play.
A growling sound that occurs only when the brakes are applied.

When assembling a drum brake, apply high-temperature brake grease to the.

Contact pads on the backing plate.
Shoe webs.
Parking brake cables.
Return spring anchors.

Technician A says that brake drums should always be replaced if they are cracked.Technician B says that brake drums should be reinstalled on the wheel opposite from where they were removed. Who is right?

Technician A.
Technician A.
Both
Neither

Which of the following is NOT used to hold floating drums in place.

Speed nuts.
Bolts threaded into the hub.
The wheel and lug nuts.
A large nut that preloads the wheel bearing.

A bypassing master cylinder can be detected by the.

Internal leak test.
External leak test.
Compensating port test.
QTU test.

Typically, manufacturers allow rotors to be reused if thickness variation does not exceed.

0.005 inch.
0.002 inch.
0.001 inch.
0.0005 inch.

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Brakes Assessment