Rear Disc Brake

REAR DISC BRAKE

DISC ROTOR : Inspection

Appearance
Check surface of disc rotor for uneven wear, cracks or damage. Replace if any abnormal conditions exist.
Runout
1.Check the wheel bearing axial end play before the inspection. Refer to "Inspection" Inspection.





2.Secure the disc rotor to the wheel hub and bearing assembly with wheel nuts at two wheel nut locations.
3.Inspect the runout with a dial gauge to measured at 10 mm (0.39
in) inside the disc edge.
Runout: Refer to "Rear Disc Brake" Rear Disc Brake.
4.Find the installation position with a minimum runout by shifting the disc rotor-to-wheel hub and bearing assembly installation position by one hole at a time if the runout exceeds the limit value.
5.Refinish the disc rotor if the runout is outside the limit even after performing the above operation. When refinishing, use Tool.
Tool number: 38-PFM90.5 (-)

CAUTION:
- Check in advance that the thickness of the disc rotor is wear thickness + 0.3 mm (0.012 in) or more.
- If the thickness is less than wear thickness + 0.3 mm (0.012 in), replace the disc rotor.


Wear thickness: Refer to "Rear Disc Brake" Rear Disc Brake.
Thickness
Revision: March 20122013 Infiniti JX





Check the thickness of the disc rotor using a micrometer. Replace the disc rotor if the thickness is below the minimum thickness.
Minimum thickness: Refer to "Rear Disc Brake" Rear Disc Brake.


Thickness variation: Refer to "Rear Disc Brake" Rear Disc Brake.
Revision: March 20122013 Infiniti JX