…we remove the hose from the plastic fitting of the master cylinder.
We drain the brake fluid from the clutch hydraulic reservoir into a container or close the opening of the hose with a plug.
Using a 13 mm wrench, unscrew the tube fitting..
…and we move the tube away from the cylinder.
Using a 13 mm spanner, unscrew the upper nut securing the clutch master cylinder to the front shield.
We unscrew the lower nut using a 13 mm head with a long extension.
We remove the master cylinder from the studs.
Removal of the cylinder tappet is shown in the section Removal and disassembling the pedal assembly.
Install the master cylinder in the reverse order. Bleed the hydraulic drive (see Bleeding the clutch hydraulic drive).
If it is necessary to replace a plastic fitting or its seal, pry it off with a screwdriver..
…and remove the locking spring washer.
We remove the plastic fitting and the rubber sealing ring.
We install the fitting in the reverse order.