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Home >> Subaru >> 2003 >> Baja Automatic >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc & Drum >> Removal & Installation >> Front Disc Brake Rotor >> Inspection

Front Disc Brake Rotor: Inspection

  1. Install disc rotor by tightening 5 wheel nuts.
  2. Set a dial gauge on the disc rotor. Turn the disc rotor to check runout. See Fig 1 .
    NOTE: Make sure dial gauge is set 0.2" (5 mm) inward of rotor outer perimeter. Runout of disc rotor must not exceed 0.003" (0.075 mm).
  3. Measure disc rotor thickness. See Figure . See SERVICE SPECIFICATIONS under DISC BRAKES in SPECIFICATIONS INDEX article in GENERAL INFORMATION.
Fig 1: Measuring Front Disc Rotor Runout
G00305257Courtesy of SUBARU OF AMERICA, INC.