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 Balancing (Collet Cone Selection)
Important: Never use the hub cap bore to center the wheel onto
the balancer. The pilot bore (on the hub side of the wheel) is machined
to be concentric to very tight non - standard tolerances. The bottom cap
bore is not machined to this same degree of precision.
Accurate mac ...
Oil Pan Replacement
Special Tools
EN-49980 Guidance Pins
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Remove the right front wheelhouse liner extension. Refer to Front Wheelhouse
Liner Inner Front Extension Replacement.
Remove the oil filter and drain the engine oi ...
Connection to Roadside Assistance
In the event of a roadside emergency involving your Nissan Armada, professional
Roadside Assistance services are available to provide support.
Refer to your Warranty Information Booklet (U.S.) or Warranty & Roadside Assistance
Information Booklet (Canada) for full details regarding coverage ...
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