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Hydraulic Systems
Drum Brakes
Disc Brakes
Misc. Service
Antilock and Power Assist Service
100
The first piston installed when rebuilding a master cylinder is ______ piston. A. Primary piston B. Secondary piston C. QTU piston D. Compensating piston
B. Secondary piston
100
Fixed drums are held in place by _____. A. Speed nuts B. Bolts threaded into the hub C. A large nut that preloads the wheel bearing D. The wheel and lug nuts
C. A large nut that preloads the wheel bearing
100
An axle set of brake pads consists of ____ pads. A 8 B 4 C 6 D 2
B 4
100
Which is not a bearing problem? A. stripping B. spalling C. smearing D. Frettage
A. stripping
100
When first testing a car equipped with ABS, it is important o: A. Try to lock the brakes B. Disconnect the battery ground C. Use the parking brake D. Note the status of the ABS warning light
D. Note the status of the ABS warning light
200
The first component in a brake system bleeding sequence is the ________. A. Master cylinder B. Wheel cylinder C. Combination valve D. Proportioning valve
B. wheel cylinder
200
When performing a complete drum brake job, the brake hardware should be: reused, replaced, or cleaned? A. Reused B. Replaced C. Cleaned and inspected D. Measured
B. Replaced
200
The safest and most effective way to remove caliper pistons is to use _______. A. Air pressure B. A caliper wrench C. Hydraulic pressure D. A piston press
C. hydraulic pressure
200
Inadequate wheel bearing lubrication can lead to _____. A. galling B. brinelling C. spalling D. flaking
A. galling
200
An ABS warning lamp that comes on when the vehicle first begins to move generally indicates: A. A wheel speed sensor problem B. A master cylinder problem C. An isolation valve problem D. An accumulator problem
A. A wheel speed sensor problem
300
A bypassing master cylinder can be detected by ____ test. A. Internal leak test B. External leak test C. Compensating port test D. QTU test
A. internal leak test
300
When assembling a drum brake, apply high-temperature brake grease to what part? A. Contact pads B. Shoes webs C. Parking brake cables D. Return spring anchors
A. contact pads
300
Use a dial indicator to check a rotor for _______. A. lack of parallelism B. Taper variation C. Lateral runout D. Radial runout
C. Lateral runout
300
Diagnose the condition of sealed, double-row bearings with ____________. A. a dial indicator B. a seal inspection C. a micrometer D. a torque wrench
A. a dial indicator
300
When multiple trouble codes are present in an antilock system, look for: A. a weak connection at a common ground B. An open circuit C. Low-voltage signals D. Two or more faulty sensors
A. a weak connection at a common ground
400
The master cylinder should be cleaned with ______. A. Kerosene or carburetor cleaner B. Brake parts cleaner or brake fluid C. Fresh solvent or hot, soapy water D. Motor oil or cutting oil
B. brake parts cleaner or brake parts fluid
400
Set the initial brake adjustment with what tool? A. shoe-setting caliper B. Brake micrometer C. Screwdriver after the drum is installed D. Torque Wrench
A. Shoe-setting caliper
400
For best results, what drill motor speed should be used when honing a caliper piston bore? A. 300 rpm B. 500 rpm C. 1000 rpm D. 1200 rpm
B. 500 rpm
400
Never mix wheel bearing greases because they may have different: A. viscosity improvers B. thickening agents C. operating temperature ranges D. hygroscopic properties
B. thickening agents
400
If a vacuum power booster is in good condition, starting the engine after the booster has been depleted will cause the brake pedal to: A. sink slightly B. pulse rapidly C. rise slightly D. Stay the same
A. sink slightly
500
The most precise way to test metering valves is with _______. A. a pressure bleeder B. pressure gauges C. an override tool D. a vacuum gauge
B. pressure gauges
500
When machining both drums from an axle, which drum should be turned first? A. The most worn B. The least worn C. Either one D. The first one removed
A. The most worn
500
As a general rule, disc brake pads must be replaced if the friction lining thickness measures less than: A. 0.02 inch B. 0.03 inch C. 0.06 inch D. 0.13 inch
B. 0.03 inch
500
When parking brakes are properly adjusted, how far through its available travel should the control lever move before the brakes fully apply? A. 1/4 B. 2/3 C. 1/2 D. 3/4
B. 2/3
500
When performing a hydro-boost function test, discharge the booster, start the engine, and the booster is working properly if the pedal: A. pushes back B. pushes back, then sinks toward the floor C. sinks toward the floor, then pushes back D. sinks toward the floor
C. sinks toward the floor, then pushes back