Automotive Service Excellence (ASE) Brakes Certification Practice Exam

Question: 1 / 400

Technician A states that fixed calipers are rigidly bolted in place. Technician B claims that sliding calipers have pistons on both sides of the rotor. Who is correct?

Technician A

Fixed calipers are indeed rigidly mounted to the vehicle's structure, which means they do not move during braking. This design allows them to use pistons on one side of the brake rotor to apply force to the rotor, creating friction and slowing the vehicle. In contrast, sliding calipers move slightly as they apply pressure, typically utilizing pistons on one side of the rotor while the caliper itself slides on guide pins to bring the brake pads into contact with the rotor.

Technician A's statement accurately reflects the design and function of fixed calipers, while Technician B’s characterization of sliding calipers does not correctly state their operation, as they only have pistons on one side. Thus, Technician A’s assertion stands correct regarding fixed calipers and their rigid mounting.

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Technician B

Both Technician A and Technician B

Neither Technician A nor Technician B

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