Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Disc Brake System Description and Operation

Chevrolet Sonic Repair Manual / Chassis / Brakes / Disc Brakes / Disc Brake System Description and Operation

System Component Description

The disc brake system consists of the following components:

Disc Brake Pads

Applies mechanical output force from the hydraulic brake calipers to friction surfaces of brake rotors.

Disc Brake Rotors

Uses mechanical output force applied to friction surfaces from the disc brake pads to slow speed of tire and wheel assembly rotation.

Disc Brake Pad Hardware

Secures disc brake pads firmly in proper relationship to the hydraulic brake calipers. Enables a sliding motion of brake pads when mechanical output force is applied.

Disc Brake Caliper Hardware

Provides mounting for hydraulic brake caliper and secures the caliper firmly in proper relationship to caliper bracket. Enables a sliding motion of the brake caliper to the brake pads when mechanical output force is applied.

System Operation

Mechanical output force is applied from the hydraulic brake caliper pistons to the inner brake pads. As the pistons press the inner brake pads outward, the caliper housings draw the outer brake pads inward. This allows the output force to be equally distributed. The brake pads apply the output force to the friction surfaces on both sides of the brake rotors, which slows the rotation of the tire and wheel assemblies. The correct function of both the brake pad and brake caliper hardware is essential for even distribution of braking force.

Disc Brakes
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Front Brake Rotor Replacement
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Other materials:

Tire Pressure Light
For vehicles with the Tire Pressure Monitor System (TPMS), this light comes on briefly when the engine is started. It provides information about tire pressures and the TPMS. When the Light Is On Steady This indicates that one or more of the tires are significantly underinflated. Stop as soo ...

Inside Rearview Mirror Replacement
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Rear Wiper/Washer System Description and Operation
The rear window wiper motor is located inside the hatchback door and is directly connected to the rear window wiper. Ignition voltage is supplied to the rear wiper motor through the wiper switch. The hatchback rear window washer systems equipped with a separate washer fluid pump, hose, and noz ...

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