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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1428 (Brake System) >> Front Disc Brake >> Disassembly and Assembly of Brake Caliper Assembly >> Disc Rotor Inspection >> Runout Inspection

Runout Inspection

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
  1. Using wheel nuts, fix disc rotor to wheel hub. (2 or more positions)
  2. Inspect runout using a dial gauge. [Measured at 10 mm (0.39 in) inside the disc edge.]
    1. Runout limit (with the disc rotor attached to the vehicle): 0.04 mm (0.0016 in) 
    2. Runout limit (just the disc rotor): 0.02 mm (0.0008 in) 
      NOTE: Make sure that wheel bearing axial end play is within the specifications before measuring runout. Refer to "ON-VEHICLE INSPECTION AND SERVICE ".
    Fig 1: Checking Disc Rotor Runout
    G02368309Courtesy of NISSAN MOTOR CO., U.S.A.
  3. If runout is outside the limit, find the minimum runout point by shifting mounting positions of disc rotor and wheel hub by one hole.
  4. If runout is still out of specification, turn rotor with on-car brake lathe. ("MAD DL-8700","AMMCO 700 and 705" or equivalent.)
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