Fuel Injector: Service and Repair

REMOVAL

Fig. 13 Fuel Rail And Injectors:

The fuel rail must be removed first (Fig. 13). Refer to Fuel Rail Removal.
1. Disconnect injector wiring connector from injector.

Fig. 14 Fuel Injector And Rail Typical:

2. Position fuel rail assembly so that the fuel injectors are easily accessible (Fig. 14).
3. Rotate injector and pull injector out of fuel rail. The clip will stay on the injector.
4. Check injector O-ring for damage. If O-ring is damaged, it must be replaced. If injector is reused, a protective cap must be installed on the injector tip to prevent damage. Replace the injector clip if it is damaged.
5. Repeat for remaining injectors.

INSTALLATION
The fuel rail must be removed first. Refer to Fuel Injector Rail Removal.
1. Before installing an injector the rubber O-ring must be lubricated with a drop of clean engine oil to aid in installation.
2. Install injector clip by sliding open end into the top slot of the injector. The edge of the receiver cup will slide into the side slots of clip.

Fig. 15 Servicing Fuel Injector Typical:

3. Install injector top end into fuel rail receiver cap. Be careful not to damage O-ring during installation (Fig. 15).
4. Repeat steps for remaining injectors.
5. Connect fuel injector wiring.