Braking system

The braking system is of the dual circuit hydraulic type with disc brakes at the front and drum brakes at the rear. A diagonally split dual circuit hydraulic system is employed in which each circuit operates one front and one diagonally opposite rear brake from a tandem master cylinder. Under normal conditions both circuits operate in unison; however, in the event of hydraulic failure in one circuit, full braking force will still be available at two wheels. A pressure regulating valve on Saloon and Estate models, and a light laden valve on Van models is incorporated in the rear brake hydraulic circuit. The valve regulates the pressure applied to each rear brake and reduces the possibility of the rear wheels locking under heavy braking.

See also:

Rear roadspring (Van models) - removal and refitting
Removal 1 To remove the single leaf type rear roadspring from the Van, raise the rear of the vehicle and support it securely under the body members (see “Jacking and Vehicle Support”). Support th ...

Exhaust system - inspection, removal and refitting
Inspection 1 The exhaust system should be examined for leaks, damage, and security at regular intervals. To do this, apply the handbrake, then start the engine and allow it to idle. Lie down on e ...

Ford Sierra Service and Repair Manual
Introduction to the Ford Sierra The Ford Sierra was first introduced in late 1982 with the option of seven different engines and four different trim levels. This manual covers the four cylinder in- ...