Rear Disc Brake

REAR DISC BRAKE

DISC ROTOR : Inspection


VISUAL

Check surface of disc rotor for uneven wear, cracks, and serious damage. Replace if necessary.

RUNOUT






1.Attach the disc rotor to wheel hub using wheel nuts at two or more positions.
2.Inspect runout using dial gauge. Set the dial gauge to measure at 10 mm (0.39 in) inside disc edge.
Maximum runout (with it attached to the vehicle): Rear Disc Brake.

NOTE:
Before measuring, make sure that wheel bearing axial end play is within the specification. Testing and Inspection.
3.When runout exceeds limit value, displace mounting positions of disc rotor by one hole and then find a position of the minimum value for runout.
4.If runout is outside the specified value after performing the above operation, refinish the disc rotor using
Tool.
Tool number: 38-PFM90.5

THICKNESS






Check the thickness of the disc rotor using a micrometer. Replace disc rotor if the thickness is under the wear limit.
Standard thickness: Rear Disc Brake.
Wear limit thickness: Rear Disc Brake.
Thickness variation (measured at 8 positions): Rear Disc Brake.