Hydraulic unit pressure switch (ABS) - removal and refitting
Note: To remove the pressure switch from the hydraulic unit in situ, Ford tool No 12-008 or a locally made equivalent will be required. The switch may be removed without special tools after removing the hydraulic unit complete or the pump above. A new O-ring must be used when refitting the switch.
Caution: Refer to the
precautions in Section 1.
Removal
1 Disconnect the battery negative lead.
2 Depressurise the hydraulic system by pumping the brake pedal at least 20 times, or until it becomes hard.
3 Disconnect the multi-plug from the switch, then unscrew and remove the switch.
Refitting
4 Refit the switch using a new O-ring.
Position the plastic sleeve so that the drain hole faces the pump motor, then tighten the switch (see illustration).
19.4 Refit the pressure switch with the drain hole (arrowed) in the plastic
sleeve facing the pump motor - ABS
5 Reconnect the multi-plug and the battery.
6 On completion, bleed the complete hydraulic system and check for leaks around all disturbed components.
See also:
Routine maintenance and servicing
Ford Sierra maintenance schedule
The maintenance intervals in this manual
are provided with the assumption that you will
be carrying out the work yourself. These are
the minimum maintenance interv ...
Minor body damage - repair
Repair of minor scratches in
bodywork
If the scratch is very superficial, and does not
penetrate to the metal of the bodywork, repair is
very simple. Lightly rub the area of the scratch
with a pa ...
Pressure regulating valve (Saloon and Estate models) - removal
and refitting
1 The brake pressure regulating valve is
located within the engine compartment, just
above the aperture in the wing inner panel
through which the steering tie-rod passes. On
pre-1986 models the va ...
