Front Brake Disc Replacement

Front brake disc replacement

Note! Minimum disc thickness = 21.5 mm.

Preparations
Remove the hub cap and the wheel.

Remove front brake disc





Remove
- the brake pads, see operation Replacing front brake pads Replacing Front Brake Pads.
- the retaining clip and the brake hose from the support.
- the complete brake caliper holder including the caliper; hang it on a steel wire to avoid damaging the brake hose.
- the brake disc.

Note! Do not depress the brake pedal when the brake pads have been removed.

Cleaning and inspecting brake disc and hub





Note! Cleaning is important for preventing lateral runout from brake disc.

Ensure that the hub flange is clean.
Remove rust using a iron scrapper or a steel brush.
Inspect hub.
If the hub is damaged, lateral runout at the hub should be measured. See Measuring lateral runout in hub (front/rear) Testing and Inspection.

Installing front brake disc





Note! Be careful with the new brake disc, otherwise damage could occur, such as unevenness.

Install
- the new brake disc.
- the complete brake caliper holder including caliper; use new bolts. Tighten to 100 Nm.
- the brake pads, see operation Replacing front brake pads Replacing Front Brake Pads.
- the wheel, see operation Replacing front brake pads Replacing Front Brake Pads.