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Home >> Mazda >> 2013 >> 5 Grand Touring >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System [Conventional Brake System] >> Front Brake (Disc) Inspection >> Brake Judder Repair Hints >> Lateral runout inspection

Lateral runout inspection

  1. To secure the brake rotor and the hub, insert the washer (thickness 10 mm {0.39 in}  , inner diameter more than 12 mm {0.47 in}  ) between each hub bolt and the hub nut, then tighten all the hub nuts.
    NOTE:
    • The component parts of the SST  (49 B017 001 or 49 G019 003) can be used as a suitable washer.
  2. After tightening all the hub nuts to the same torque, put the dial gauge on the friction surface of the brake rotor 10 mm {0.39 in}  from the brake rotor edge.
    Fig 1: Measuring Brake Rotor Runout
    G08150624
  3. Rotate the brake rotor one time and measure the runout.

    Front brake rotor runout limit 

    • 0.04 mm {0.002 in}