Brake caliper FN3 — design description (Audi A6 C5)

8.0. FN3 Support:
1 - protective caps for guide pins. Inserted into bushings
2 - guide pins. Tightening torque 25 Nm
3 - bleed nipple. Tightening torque 10 Nm
4 - nipple cap
5 - support
6 - brake shoe pressure spring. The ends of the spring are inserted into the holes on the caliper
7 - guide pin bushing
8 - brake shoe guide
9 - wheel cylinder piston sealing ring
10 - piston. When installed, lubricate with a thin layer of grease G052150A2
11 - piston cuff