Mercury F5AZ-1125-CA Rotor Assembly

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After removing the brake caliper and suspending it out of the way, reinstall three lug nuts to hold the disc against the hub. Visually check the disc surface for score marks and other damage. To check disc runout, place a dial indicator at a point about 1/2-inch from the outer edge of the disc, set the indicator to zero, and turn the disc. The indicator reading should not exceed the specified allowable runout limit.

Measure disc thickness with a micrometer at various points about 1/2-inch from the edge. It's essential to ensure that the disc thickness does not fall below the specified minimum refinish thickness, which is cast into the disc's inside.

After installing the wheel, lower the vehicle, depress the brake pedal a few times to engage the pads with the rotor, and bleed the system if the brake hose was disconnected from the caliper. This ensures proper brake operation before normal vehicle use.