Chevrolet 15704667 Rear Brake Rotor

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Yes, make sure to inspect both sides of the disc.

If you find deep grooves over 0.015-inch deep, the disc will need to be removed and refinished by a machine shop.

To inspect the brakes, start by loosening the wheel lug nuts and raising the front of the vehicle on jack stands. Remove the wheel and then the brake caliper. Check the disc surface for any score marks or damage, keeping in mind that light scratches and shallow grooves are normal and won't affect brake operation. However, deep grooves over 0.015-inch deep will require disc removal and refinishing by a machine shop. Make sure to inspect both sides of the disc. If you're inspecting a rear disc, reinstall the wheel lug nuts with the flat side towards the disc to hold it in a flat, vertical plane during the inspection. You may need to use washers under the lug nuts to apply pressure to the disc. To check disc runout, place a dial indicator about 1/2-inch from the outer edge of the disc and set it to zero. Turn the disc and ensure that the indicator reading does not exceed 0.003-inch. If it does, the disc should be refinished by a machine shop. Additionally, make sure the disc thickness does not go below the specified minimum thickness, which is cast into the disc. You can check the disc thickness with a micrometer. For removal and installation, on 2WD models, the disc is part of the front hub and should be removed and installed as part of the front wheel bearing maintenance procedure. On 4WD models, the disc can be pulled off the hub after removing the wheel and caliper.

Reinstall the wheel lug nuts with the flat side towards the disc to hold it in a flat, vertical plane during the inspection. You may need to use washers under the lug nuts to apply pressure to the disc.