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Home >> Subaru >> 2006 >> Baja Base, Automatic >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Mechanical >> Front Disc Rotor >> Inspection

Front Disc Rotor: Inspection

  1. Secure disc rotor by tightening the five wheel nuts.
  2. Set a dial gauge on the disc rotor. Turn disc rotor to check runout.
    Fig 1: Setting Dial Gauge On Disc Rotor
    G03751794Courtesy of SUBARU OF AMERICA, INC.
    NOTE:
    • Make sure that dial gauge is set 5 mm (0.20 in) inward of rotor outer perimeter.
    • If disc rotor runout is above standard value, inspect play of hub bearing axial direction and runout of axle hub.

      < Ref. to INSPECTION , Front Axle . >

      If bearing and hub are normal, replace disc rotor.

      Disc rotor runout limit: 0.075 mm (0.0030 in) 

  3. Measure disc rotor thickness.

    If thickness of disc rotor is outside the standard value, replace disc rotor.

    Fig 2: Identifying Disc Rotor Thickness
    G03751795Courtesy of SUBARU OF AMERICA, INC.
    NOTE: Make sure that micrometer is set 10 mm (0.39 in) inward of rotor outer perimeter.
    DISC ROTOR THICKNESS SPECIFICATION

      Standard value Service limit Disc outer dia.
    Disc rotor thickness A 15" 24.0 mm (0.945 in) 22.0 mm (0.866 in) 277 mm (10.91 in)
    16" 24.0 mm (0.945 in) 22.0 mm (0.866 in) 294 mm (11.57 in)
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