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PROFESSIONAL ROTORS / DRUMS

Brake Rotors & Brake Drums | ACDelco
  • Coverage for most vehicles on the road today.
  • Follow original manufacturers’ designs for dispersing heat, helping to prolong pad and rotor life and reduce noise and vibration.
  • Additional ACDelco Professional brake parts: shoes, calipers, master cylinders, wheel cylinders, parking brake cables, brake lines and hoses.

FEATURES & BENEFITS

  • Durability – ACDelco Professional Brakes are designed to help resist corrosion and premature wear.
  • Quiet –You won't hear much from these high-quality brakes.
  • Quality Assurance – ACDelco Professional Brakes are the most thoroughly, independently tested brakes on the aftermarket. ACDelco submits its brake products through a range of test methods, including Noise/Vibration/Harshness (NVH) and durability/wear testing. This allows us to deliver the high-quality product that an ACDelco customer expects. No manufacturer tests or audits its replacement brake products to the level of ACDelco. Read about SAE J2784.
  • Warranty – ACDelco Professional Rotors and Drums brake products carry a limited warranty of 12 months/unlimited miles.*

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    PRODUCT FACTS

  • Find out more about ACDelco Professional Rotors/Drums and how they fit into the Brakes System with the product facts below.

Brake Rotor: Function:

A rotating disc that helps slow or stop the vehicle when the brake pads press against its surface (disc brakes).

Brake Rotor: Signs of Wear:

Brake pedal pulsation (not to be confused with normal ABS operation), squealing or grinding noise, low brake pedal height, vehicle pulls to the left or right when brakes are applied.

Brake Drum: Function:

A drum attaches to the wheel that slows the rotation of the wheel when the brake shoes contact its surface.

Brake Drum: Signs of Wear:

Reduced braking force, low brake pedal height, increased stopping distances, squealing or scraping noises, brake pedal pulsation (not to be confused with normal ABS operation).

Did You Know?

When you step on your brake pedal, you command a stopping force 10 times as powerful as the force that puts the car in motion. The Brakes System can exert as much as 1,000 pounds (450 kg) of hydraulic pressure on each of the four brakes.

What It Does:

The Brake System applies frictional force to the wheels to slow or stop the vehicle.

Service & Maintenance:

The following inspections and maintenance procedures can help prevent potential brake problems:

  • Check brake fluid level at every oil change. Replace fluid according to the Owner’s Manual recommendations.
  • Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
  • Inspect the brake lines for rust, punctures or visible leaks (you may be able to do this, but consult a qualified technician if necessary).
  • The following should be conducted by a qualified technician:
    • Inspection of the brake hoses for brittleness or cracking.
    • nspection of brake lining and pads for wear or contamination by brake fluid or grease.
    • Inspection of wheel bearings and grease seals.
    • Parking brake adjustments (as needed).
  • New rotors DO NOT need machining.
  • Used rotors can be machined provided minimum thickness can be maintained:
    • Before you machine rotors, make sure the lathe is clean, within specs and has sharp tool bits.
    • After completing the finish cut, sand both sides of the rotor for one minute per side using a sanding block and 130- to 150-grit sandpaper to obtain a non-directional finish.
    • After sanding, wash the rotor with dish soap and water. DO NOT clean the rotor with brake cleaner/solvent-based product.
  • Thoroughly clean the calipers, caliper slides and hardware. Remove all dirt, rust and grease.

Brake Tech Tips:

  • Lubricate caliper slides, shims and rubber components.
  • Use ACDelco silicone-based lubricant or equivalent before installation. ACDelco lubricant is rated at 2,000° F. DO NOT use a petroleum-based or spray adhesive product.
    • Lubricate all hardware rubber components and all metal-to-metal contact points.
    • Give caliper slides and disc pad shims/insulators a thin film of lubricant. This will allow the shim to withstand normal brake pad movement without damage to the shim. Additionally, this helps dampen vibration.
  • Make sure the disc pads are tight in the caliper and torque the caliper to the housing.
  • Check the adjustment of the rear brakes. Adjust if necessary.
  • After cleaning all wheel-hub mating surfaces, install the wheels. Make sure they are torqued to manufacturer's specifications.

 

Limited Warranty:

12 Months/Unlimited Miles*

*To the original retail purchaser. Parts only; installation not included. See your local retailer or Independent Service Center that offers ACDelco parts for details.

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