Nissan Sentra Service Manual: Front disc brake

BRAKE PAD

BRAKE PAD : Inspection

PAD WEAR

Check brake pad thickness from an inspection hole on caliper body.

Check using a scale if necessary

Wear limit thickness : Refer to BR-55, "Front Disc Brake".

DISC ROTOR

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 FAX-6, "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, measured at 10 mm (0.39 in) inside the disc edge.

Runout : Refer to BR-55, "Front 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-PFM92 ( — )

THICKNESS

Check the thickness of the disc rotor using a micrometer. Replace the disc rotor if the thickness is below the wear limit.

Wear thickness : Refer to BR-55, "Front Disc Brake".

Thickness variation : Refer to BR-55, "Front Disc Brake".