Electro-magnetic pressure actuator - removal and refitting

Note: Refer to the precautions at the end of Section 1 before proceeding. New O-rings must be used on refitting.

Removal
1 The electro-magnetic pressure actuator is only used on KE-Jetronic systems and is located on the side of the fuel distributor.

2 Disconnect the battery negative lead.

3 Remove the air cleaner as described in Section 2.

4 Relieve the system pressure by slowly loosening the cold start valve union on the top of the fuel distributor (see illustration 6.4).

Absorb fuel leakage in a cloth.

5 Disconnect the wiring multi-plug, then undo the two screws securing the actuator to the fuel distributor (see illustration). Remove the unit and the sealing O-rings.

15.5 Pressure actuator wiring multi-plug (arrowed)
15.5 Pressure actuator wiring multi-plug (arrowed)

Refitting 6 Refitting is the reverse sequence to removal, but ensure both mating faces are clean. New O-rings must be used and care taken not to displace them when fitting. On completion check for fuel leaks with the engine running.

    See also:

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    Fuel pump - testing
    1 If the fuel pump is functioning, it should be possible to hear it “buzzing” by listening under the rear of the vehicle when the ignition is switched on. Unless the engine is started, the fuel pu ...

    Specifications
    Battery Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 volt lead-acid, 35 to 52 Ah depending on model Charge condition: Poor . . . ...