ACDelco
ACDelco 18A2956A | Rear Disc Brake Rotor
ACDelco Silver (Advantage) Disc Brake Rotors are a quality, high value alternative for General Motors vehicles as well as most makes and models and are backed by General Motors. ACDelco Silver...
ACDelco Professional Disc Brake Rotors provide reliable vehicle braking power and are a high quality replacement for many vehicles on the road today. They feature a thickness variation that is less than 0.0004 to minimize pedal pulsation, noise, and help to extend brake pad life. These rotors meet the SAE standard for structural integrity with OE matched G3000 qualified material delivering guaranteed performance. Also, no machining is required. ACDelco Advantage Disc Brake Rotors are ready to be installed right out of the box. ⚠
Bolt Circle Diameter (in) | 4.5 |
Bolt Circle Diameter (mm) | 114.3 |
Bolt Hole Quantity | 5 |
Center Bore Diameter (in) | 2.5 in |
Center Bore Diameter (mm) | 64.1 mm |
FAQ - Answer 1 | Yes, ACDelco also offers GM OE brake rotor and Advantage brake rotors. |
FAQ - Question 1 | Does ACDelco offer other grades of brake rotors? |
Good Maintenance Practices - Section 1 - Bullet 1 | Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations. |
Good Maintenance Practices - Section 1 - Bullet 2 | Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required. |
Good Maintenance Practices - Section 1 - Bullet 3 | Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary). |
Good Maintenance Practices - Section 1 - Bullet 4 | Check the thickness of your brake pads. |
Good Maintenance Practices - Section 1 - Header | The following inspections and maintenance procedures can help prevent potential brake problems: |
Good Maintenance Practices - Section 2 - Bullet 1 | Inspection of the brake hoses for brittleness or cracking. |
Good Maintenance Practices - Section 2 - Bullet 2 | Inspection of brake lining and pads for wear or contamination by brake fluid or grease. |
Good Maintenance Practices - Section 2 - Bullet 3 | Inspection of wheel bearings and grease seals. |
Good Maintenance Practices - Section 2 - Bullet 4 | Parking brake adjustments (as needed). |
Good Maintenance Practices - Section 2 - Header | The following should be conducted by a qualified technician: |
Height (in) | 2.3 |
Height (mm) | 57.2 |
Overall Rotor Diameter (mm) | 305.05 mm |
Programming Required | No |
Signs of Wear & Troubleshooting - Section 1 - Bullet 1 | Brake pedal pulsation (not to be confused with normal ABS operation). |
Signs of Wear & Troubleshooting - Section 1 - Bullet 2 | Squealing or grinding noises. |
Signs of Wear & Troubleshooting - Section 1 - Bullet 3 | Low brake pedal height. |
Signs of Wear & Troubleshooting - Section 1 - Bullet 4 | Vehicle pulls to the left or right when brakes are applied. |
Signs of Wear & Troubleshooting - Section 1 - Bullet 5 | Visible ridges or deep grooves on the rotor surface. |
Signs of Wear & Troubleshooting - Section 1 - Header | Brake rotor signs of wear include: |
Slotted | No |