Rear disc brakes (VW Polo 3)

Fig. 11.32. Rear disc brake mechanism:
1 - Trunnion; 2 - Protective cover; 3 - Plate washer; 4, 10, 15, 18, 21, 22 - Bolts; 5 - Ring; 6 - Wheel speed sensor rotor; 7 - Seal; 8 - Inner bearing; 9 - Brake disc; II - Thrust washer; 12 - Nut; 13 - Lid; 14 - Rear axle beam; 16 - Wheel speed sensor; 17 - Brake pipe bracket; 19 - Guide pin; 20 - Protective cover; 23 - Damper; 24 - Upper brake shoe mounting spring; 25 - Lower brake shoe mounting spring; 26 - Brake caliper support with guide pins and protective covers; 27 - Brake pads; 28 - Brake caliper; 29 - Outer bearing; 30 - Retaining ring; 31 - Cotter pin; 32 - Retainer; 33 - Parking brake system drive cable.

Fig. 11.33. Rear disc brake caliper:
1 - Bolts; 2 - Seal; 3 - Piston with automatic regulator; 4 - Protective seal; 5 - Dust cover; 6 - Air bleed valve; 7 - Brake caliper with parking brake system actuator lever; 8 - Guide pins; 9 - Protective cover; 10 - Brake caliper support with guide pins and protective covers.