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During pad replacement, some caliper pistons must be rotated with to retract all the way into the caliper bore.

A) True
B) False

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A typical fixed caliper housing is designed with one caliper piston.

A) True
B) False

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What are loaded calipers?

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Loaded calipers are complete units with ...

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Solid rotors are usually found on _____.


A) the front brakes of small, compact vehicles
B) the rear brakes of vehicles with rear disc brakes
C) the front brakes of large pickup trucks and SUVs
D) both A and B

E) None of the above
F) B) and C)

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Which statement about ceramic rotors is false?


A) Ceramic rotors and the pads used with them wear out much faster than cast iron rotors.
B) They weigh half as much as a conventional rotor, which reduces unsprung weight.
C) They have excellent fade resistance and stopping power.
D) The vehicle's wheels stay cleaner because no black brake dust is released.

E) C) and D)
F) None of the above

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Name the three types of calipers used with disc brakes.

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The three types of c...

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Air in the disc brake hydraulic system will cause a ____________________ brake pedal.

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Large vehicles typically use ______ rotors.


A) solid
B) ventilated
C) two-piece
D) All the answers are correct.

E) A) and B)
F) All of the above

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A resurfaced rotor must be _____ inch thicker than the discard dimension to allow for wear.


A) .001 to .005
B) .005 to .010
C) .015 to .030
D) .040 to .080

E) A) and B)
F) None of the above

Correct Answer

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Rotor thickness is measured at about ____________________ inch in from the outer edge of the rotor.

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Sliding calipers move on bolts or pins.

A) True
B) False

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What are the basic types of brake rotors used on modern vehicles?

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Brake rotor types in...

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A fixed caliper _____.


A) is bolted to the steering knuckle
B) has pistons on both sides of the rotor
C) does not move when the brakes are applied
D) All the answers are correct.

E) C) and D)
F) B) and D)

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If the caliper is able to flex too much during braking, it will cause hard braking.

A) True
B) False

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After brake pad replacement, what is the first thing the technician should do when the vehicle is lowered?

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Pump the brake pedal several t...

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Identify the two items that are always replaced during caliper overhauls.

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The piston seals and...

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Which statement is false?


A) The caliper housing is usually a two-piece unit constructed from aluminum or cast iron.
B) Caliper action converts hydraulic pressure to mechanical force.
C) A caliper assembly can contain as many as four cylinder bores and pistons.
D) The caliper assembly provides a means of forcing the brake pads against the rotor.

E) B) and D)
F) None of the above

Correct Answer

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Technician A siphons out about two-thirds of the brake fluid from the master cylinder reservoir before beginning work on the pads or calipers. Technician B opens the caliper bleeder screws and runs a hose to a container to catch the fluid that is expelled,.while pushing the pistons back. Who is correct?


A) A only
B) B only
C) both A and B
D) neither A nor B

E) A) and D)
F) B) and C)

Correct Answer

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Technician A says the caliper piston seal prevents leakage of brake fluid between the cylinder bore and the piston. Technician B says the caliper piston seal does not contribute to the piston's automatic adjustment feature. Who is correct?


A) A only
B) B only
C) both A and B
D) neither A nor B

E) A) and B)
F) A) and C)

Correct Answer

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Why is it important to install unidirectional rotors on the correct side of the vehicle?

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A unidirectional rotor has cur...

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Showing 41 - 60 of 105

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