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Home >> Chevrolet >> 2003 >> Tracker 2D Utility, 4WD, Standard >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes & Drum Brakes >> Adjustments & Inspections >> Brake Rotor Assembled Lateral RUNOUT (LRO) Correction - Indexing

Brake Rotor Assembled Lateral RUNOUT (LRO) Correction - Indexing

  1. Measure the brake rotor thickness variation. See BRAKE ROTOR THICKNESS VARIATION  .
  2. Measure the brake rotor lateral runout. See BRAKE ROTOR ASSEMBLED LATERAL RUNOUT (LRO) MEASUREMENT  .
  3. Remove the Conical Brake Rotor Washers (J-45101-100) and the wheel nuts.
  4. Remove the rotor from the hub.
  5. Rotate the rotor one wheel stud position.
  6. Install the rotor to the hub.
  7. Hold the rotor firmly against the hub. Install one of the Conical Brake Rotor Washers and one wheel nut on the top wheel stud.
  8. Continue to hold the rotor and tighten the wheel nut by hand.
  9. Install the remaining Conical Brake Rotor Washers and the wheel nuts.
  10. Tighten the wheel nuts firmly by hand in a star pattern.
  11. Tighten the wheel nuts in a star pattern in order to retain the rotor to the hub.
  12. Measure the brake rotor lateral runout. See BRAKE ROTOR ASSEMBLED LATERAL RUNOUT (LRO) MEASUREMENT  .
  13. If the brake rotor lateral runout is greater than the specifications, repeat this procedure with the rotor at the remaining 3 wheel stud positions.
  14. If the brake rotor lateral runout is greater than the specification at all 5 wheel stud position, use an on-vehicle lather in order to reduce the brake rotor lateral runout specification. See BRAKE ROTOR ASSEMBLED LATERAL RUNOUT (LRO) CORRECTION - ON-VEHICLE LATHE  .
  15. If the brake rotor lateral runout is less than the specification, complete the following steps:
    • Use paint in order to mark the position of the brake rotor on the hub.
    • Install the brake caliper.
    • Press the brake pedal several times in order to position the brake rotor.
    • Remove the wheel nuts.
    • Remove the Conical Brake Rotor Washers.
    • Install the tire and wheel assemblies.