Fuel injector - removal and refitting

Note: Refer to the precautions at the end of Section 1 before proceeding. New injector seals will be required on refitting.

Removal
1 Disconnect the battery negative lead.

2 Remove the air cleaner assembly.

3 Depressurise the fuel system as described in Section 6.

4 Disconnect the fuel injector wiring plug (see illustration).

10.4 Disconnecting the fuel injector wiring plug - 1.4 CFI engine
10.4 Disconnecting the fuel injector wiring plug - 1.4 CFI engine

5 Bend back the injector retaining collar securing bolt locktabs, then unscrew the bolts. Remove the injector retaining collar (see illustrations).

10.5a Removing an injector retaining collar securing bolt and locktab - 1.4
10.5a Removing an injector retaining collar securing bolt and locktab - 1.4 CFI engine

10.5b Removing the injector retaining collar - 1.4 CFI engine
10.5b Removing the injector retaining collar - 1.4 CFI engine

6 Withdraw the injector from the CFI unit, noting its orientation, then withdraw the injector seals (see illustration).

10.6 Withdrawing the injector from the CFI unit
10.6 Withdrawing the injector from the CFI unit

7 Remove the seal from the injector retaining collar (see illustration).

10.7 Removing the seal from the injector retaining collar - 1.4 CFI engine
10.7 Removing the seal from the injector retaining collar - 1.4 CFI engine

Refitting 8 Refitting is a reversal of removal, bearing in mind the following points.

9 Use new injector seals, and coat them with silicon grease (to Ford specification ESEM- 1C171A or equivalent).

10 Ensure that the locating peg on the injector is correctly positioned (see illustration).

10.10 Align locating peg on injector with slot in CFI unit when refitting
10.10 Align locating peg on injector with slot in CFI unit when refitting

    See also:

    Engine compartment overview - 2.5L Duratec-RS (VI5)
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    The procedure is as described in Part A of this Chapter for carburettor engines. ...