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
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:

    Accelerator pedal - removal and refitting
    The procedure is the same as described in Part A of this Chapter for carburettor models. ...

    Crankshaft and bearings - examination and renovation
    1 Examine the bearing surfaces of the crankshaft for scratches or scoring and, using a micrometer, check each journal and crankpin for ovality. Where this is found to be in excess of 0.0254 mm (0. ...

    Fluid leak check (Every 6000 miles (10 000 km) or 6 months)
    1 Visually inspect the engine joint faces, gaskets and seals for any signs of water or oil leaks. Pay particular attention to the areas around the rocker cover, cylinder head, oil filter and sump ...