Chevrolet Sonic Repair Manual: Disc Brake System Description and Operation
- System Component Description
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The disc brake system consists of the following components:
- Disc Brake Pads
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Applies mechanical output force from the hydraulic brake calipers to friction surfaces of brake rotors.
- Disc Brake Rotors
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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
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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
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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
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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
Special Tools
CH-41013 Rotor Resurfacing Kit
CH-42450-A Wheel Hub Resurfacing Kit
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Warning: Refer to Bra ...
Other materials:
Tire and Wheel Assembly-to-Hub/Axle Flange Match-Mounting
Note: After remounting a tire and wheel assembly to a hub/axle flange,
remeasure the tire and wheel assembly on-vehicle runout in order to verify that
the amount of runout has been reduced and brought to within tolerances.
Mark the location of the high spot on the tire and wheel asse ...
Front, front central seat-mounted side-impact supplemental air bag and roof-mounted
curtain side-impact and rollover supplemental air bag systems
*: if so equipped
In the Nissan Armada, the supplemental side-impact and curtain air bag systems
are engineered to provide enhanced protection for occupants during side collisions
and rollover events. These systems work together with seat belts to form a comprehensive
safety network.
The ...
Windows
Power windows
Basic information
WARNING
In the Nissan Armada, always ensure that all passengers keep their hands,
arms, and other body parts inside the vehicle while it is moving and before
closing any windows. Use the window lock feature to prevent unintended operation.
To reduce the ...
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