Fiat Uno Manual
General descriptionBraking system / General description
The braking system is of four wheel hydraulic type with discs on the front wheels and drums on the rear.
The hydraulic system is of dual-circuit type and incorporates a pressure regulator valve to limit pressure to the rear brakes during heavy braking to prevent rear wheel lock up.
A vacuum servo unit is fitted to some models.
The handbrake is mechanically operated on the rear wheels.
Fig. 8.1 Components of the braking system (LHD shown) (Sec 1)
3 Master cylinder
4 Fluid reservoir
5 Cap and fluid level sensor 6 Vacuum servo unit
7 Rear wheel cylinder
10 Pressure regulating valve