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:
Ignition system component check (Every 24 000 miles (40 000 km) or 2 years)
1 Before disturbing any part of the ignition
system, disconnect the battery negative lead.
2 Identify and clearly mark all HT leads before
disconnecting them from the spark plugs.
3 Refer to the a ...
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 ...
Ignition timing - adjustment for use with unleaded petrol
Note: Refer to the Specifications Section at
the beginning of this Chapter for ignition
timing values for use with unleaded petrol.
1 To run an engine on unleaded petrol,
certain criteria must be ...
