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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Except HEV) >> Rear Disc Brake >> Repair Procedures >> Inspection >> Rear Brake Disc Runout Check

Rear Brake Disc Runout Check

  1. Place a dial gauge about 10 mm (0.20 in.) from the outer circumference of the brake disc, and measure the runout of the disc.

    Brake disc runout 

    Limit: 0.055 mm (0.0016 in.) or less (new one)

  2. If the runout of the brake disc exceeds the limit specification, replace the disc, and then measure the runout again.
  3. If the runout cannot be corrected by changing the position of the brake disc, replace the brake disc.