Front Brake Rotor: Installation

On 2WD models, apply grease and pack wheel bearings. Install inner bearing and NEW grease seal. Position rotor. Install outer wheel bearing, and bearing retainer washer. Position spindle nut.
To seat bearings on all models except E550, while rotating rotor clockwise, tighten spindle nut to 29.5 ft. lbs. (40 N.m). Loosen spindle nut 2 full turns. While rotating rotor clockwise, tighten spindle nut to 21 ft. lbs. (28 N.m). Back off spindle nut 175 degrees. To complete tightening procedure, rotate hub and rotor clockwise while tightening spindle nut to 17 INCH lbs. (2 N.m).
To seat bearings on E550, while rotating rotor clockwise, tighten spindle nut to 22 ft. lbs. (30 N.m). Loosen spindle nut until loose. To complete tightening procedure, rotate hub and rotor clockwise while tightening spindle nut to 17 INCH lbs. (2 N.m). Ensure final bearing adjustment end play is within specification. See Fig 1. See DISC BRAKE SPECIFICATIONS .
To complete installation, install spindle nut retainer, NEW cotter pin, and grease cap and gasket, if equipped. Install caliper anchor plate and caliper. Tighten bolts to specification. See TORQUE SPECIFICATIONS .

Fig 1: Measuring Bearing End Play (E550)

Courtesy of FORD MOTOR CO.