Ford 4U2Z-1V125-DB Rotor Assembly

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Start brake inspection by loosening lug nuts and lifting the vehicle. Remove wheels and for 4WD models, retain the disc with lug nuts. Detach the brake caliper without straining the brake hose. Examine the disc for damage like score marks or deep scoring. Use a dial indicator to check disc run out, and if needed, get the disc refinished, without going below minimum thickness. To replace the disc, remove the caliper, retaining washers, and for some models, the spindle nut. Install the new disc, tighten the spindle nut if required, reinstall the caliper and bracket. Lower the vehicle and test brakes before driving.