Fiat Uno Manual

Specifications
Braking system / Specifications


System type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dual-circuit hydraulic with servo unit and pressure regulating valve.

Discs front, drums rear. Handbrake mechanical to rear wheels.

Disc brakes
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Single cylinder, sliding caliper Disc diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227.0 mm (8.94 in) Disc thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.7 to 10.9 mm (0.42 to 0.43 in) Minimum regrind thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.0 mm (0.35 in) Minimum wear thickness of pad friction material . . . . . . . . . . . . . . . . . . 1.5 mm (0.06 in)
Caliper cylinder diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48.0 mm (1.89 in) Drum brakes
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Single cylinder, with automatic adjusters Drum internal diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185.24 to 185.53 mm (7.30 to 7.31 in) Maximum regrind diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187.0 mm (7.37 in) Minimum shoe lining friction material thickness . . . . . . . . . . . . . . . . . . . 1.5 mm (0.06 in)
Cylinder diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19.05 mm (0.75 in) Master cylinder bore diameter . . . . . . . . . . . . . . . . . . . . . . . . 19.05 mm (0.75 in)
Vacuum servo diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158.5 mm (6.0 in)
Hydraulic fluid type/specification . . . . . . . . . . . . . . . . . . . . . Hydraulic fluid to DOT 3 or 4, or SAE J1703C System capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.33 litre (0.58 pint) Torque wrench settings Nm lbf ft Caliper mounting bracket bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 39
Rear wheel cylinder mounting bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7
Pressure regulating valve mounting bolts . . . . . . . . . . . . . . . . . . . . . . . 20 15
Master cylinder mounting nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 18
Rear brake backplate bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 15


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