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Brake Service Video

How will I know when to get my brakes serviced?

Here’s a hint: listen! Also, for optimal driving, have your brakes serviced or inspected every 7,500 miles.

Stopping power is crucial to a safe and successful driving experience. When you need brake service, visit your local Chevy, Buick, GMC, or Cadillac dealer, where the Certified Service experts can recommend quality new brakes, like Professional components from ACDelco.

Whether you need brake repair or brake replacement, your Certified Service technician can help you get safely—and confidently—back on the road.


Sometimes, your vehicle’s brakes will alert you when there’s trouble. Whistling noises, chirping sounds, and grinding are indications that brake repair is required. Here are some common causes of brake-pedal pulsation and/or noise:


  • Worn brake pads
  • Heat-cracked or worn rotors
  • Loose-fitting brake pads in the caliper
  • Uneven torque of lug nuts or caliper hardware

Brakes often come equipped with a small, thin piece of metal attached to the brake pad to act as a warning indicator when the pad material is getting low and the brake pads should be replaced. This device makes a chirping noise on brake application, letting you know it is time for brake service.


The major components of a braking system, listed below, will need to be repaired or replaced as part of regular brake service and maintenance during the normal lifespan of a vehicle. Get to know the signs today to help avoid a headache tomorrow.

Brake Service and Brake Repair: Brake Caliper

Brake Caliper

The brake caliper is a hydraulic clamp that pinches the brake pad onto the brake rotor.

Signs of wear:

  • Brake lockup
  • Vehicle pulls to the left or right when brakes are applied
  • Reduced braking force

  • Spongy brake-pedal feel
  • Brake-pedal pulsation
  • Longer stopping distances

  • Fluid leakage near caliper
Brake Service and Brake Repair: Brake Pads

Brake Pads

These flat pads comprised of frictional material make contact with the rotor, bringing your vehicle to a stop.

Signs of wear:

  • Chirping, grinding, or squealing noise

  • Difficulty stopping
Low brake-pedal height
Brake Service and Brake Repair: Brake Rotors

Brake Rotors

Your brake rotors are rotating discs that help slow or stop the vehicle when brake pads make contact.

Signs of wear:

  • Brake-pedal pulsation

  • Squealing or grinding noise

  • Low brake-pedal height
  • Vehicle pulls to the left or right when brakes are applied

Brake Service and Brake Repair: Brake Shoes

Brake Shoes

Used mostly in rear braking systems, brake shoes press against the inside of your brake drum to cause friction, slowing, or stopping your vehicle.

Signs of wear:

  • Low brake-pedal height
  • Longer stopping distances

  • Squealing or unusual noises
Brake-pedal pulsation
Brake Service and Brake Repair: Brake Hose

Brake Hose

The brake hose carries brake fluid from the solid-steel brake lines on your vehicle’s frame to the caliper or wheel cylinder. Flexible brake hoses are necessary to allow the caliper or wheel cylinder to move freely with your vehicle’s suspension.

Signs of wear:

  • Spongy brake-pedal feel
  • Visible hose cracks

  • Fluid leaks

Damp appearance on hose

  • Vehicle pulls to the left or right when brakes are applied

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