The different versions of this model feature considerable differences in weight and power. The dimensions of the front disc brakes therefore vary enormously.1.2 8v petrol version:- ventilated disc diameter 257 x 22 mm ( to 10/2006) and 257 x 12 mm (from 10/2006)- Bosch ZOH brake calipers with 54 mm diameter piston- average surface of the brake pads: 42 cm21.4 8v - 1.4 16v petrol engines and 1.3 Multijet 75bhp diesel engine:- ventilated disc diameter 257 x 22 mm- Bosch ZOH brake calipers with 54 mm diameter piston- average surface of the brake pads: 42 cm21.3 Multijet 90bhp – 1.9 Multijet - 1.4 16v TJet 120 bhp diesel engines- ventilated disc diameter 284 x 22 mm- Bosch ZOH brake calipers with 54 mm diameter piston- average surface of the brake pads: 49 cm2The main components of the front brakes are illustrated below.
1. Brake disc2. Brake calliper3. Hub4. Hub bearing5. Magnetic ring6. ABS active sensor
