Fiat Uno Manual

General description
Braking 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)
Fig. 8.1 Components of the braking system (LHD shown) (Sec 1)

1 Caliper
2 Hose
3 Master cylinder
4 Fluid reservoir
5 Cap and fluid level sensor 6 Vacuum servo unit
7 Rear wheel cylinder
8 Pipeline
9 Hose
10 Pressure regulating valve


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