With a rubber bulb, we select the brake fluid from the reservoir.
key «on 10» we unscrew the fittings of the three brake pipes from the main brake cylinder, marking the order of their connection.
After loosening the band clamps, remove the two flexible hoses from the fittings of the master brake cylinder.
head «at 13» unscrew the two nuts securing the master brake cylinder to the vacuum brake booster.
Remove the master brake cylinder.
key «at 22» unscrew the end cap.
key «at 12» unscrew the two locking bolts from the bottom of the cylinder and remove all the parts from it. We put them in order.
In case of detection of corrosion or scoring on the cylinder mirror and pistons, we replace the damaged parts.
We assemble and install the master brake cylinder in the reverse order of disassembly and removal. Lubricate all parts with brake fluid before assembly. Replace rubber o-rings with new ones.