Front

CAUTION: The rotor runout specification must be met to assure proper brake performance without premature vehicle return with shudder or roughness complaints.

1. Do not remove wheel and tire.
2. Using a torque wrench tighten lug nuts to 115-142 Nm (85-104 ft. lbs.). Raise and support vehicle.
3. Assemble Rotunda Disc Rotor and Ball Joint Gauge or equivalent and extension. Install spherical tip on extension.
4. Locate an opening on inboard side of rotor between disc brake caliper and front disc brake rotor shield.

NOTE: Position Rotunda Disc Rotor and Ball Joint Gauge or equivalent so dial indicator tip is at least 5 mm (3/16 inch) from outer edge of rotor.

5. Clamp Rotunda Disc Rotor and Ball Joint Gauge or equivalent on front suspension lower arm inboard of shock absorber attachment as shown. Make sure flexible indicator arm and probe tip does not touch dust shield or tire.

NOTE: Do not apply any lateral force on wheel while rotating.

6. Rotate wheel for six revolutions. Record total indicated runout. If the runout is less than 0.076 mm (0.003 inch) runout is satisfactory.





7. Make and index mark on the rotor and one stud with touch-up paint. Remove wheel and tire assembly. Remove rotor and measure the hub flange mounting face outside of the stud circle.
8. If the runout of the hub flange exceeds 0.06 mm (0.002 inch), install a new hub and bearing assembly and repeat flange face runout measurement. For wheel hub replacement procedures, refer to Transmission and Drivetrain.
9. Wheel hub runout must be less than 0.06 mm (0.002 inch). If the runout of the hub flange is within specification, reindex the rotor to the hub and repeat the measurement.
10. If the rotor still exceeds the specification, replace the rotor, repeat the runout measurement and reindex the rotor if necessary.
11. Prior to reinstalling the rotor, clean the hub face and backside of rotor hat section of contaminants. Apply High Temperature Nickel Anti-Seize Lubricant.
12. Reinstall the rotor, caliper and caliper bracket.