Fuel Injector: Service and Repair

Fuel Tube Bolts:

1. Release fuel pressure to zero.
2. Remove intake manifold collector. Refer to "CYLINDER HEAD".
3. Disconnect vacuum hose from pressure regulator.
4. Disconnect fuel hoses from fuel tube assembly.
5. Disconnect injector harness connectors.
6. Remove injectors with fuel tube assembly.




- Push injector tail piece.
- Do not pull on the connector.




7. Install injectors.
- Clean exterior of injector tail piece.
- Use new O-rings.




8. Install injectors with fuel tube assembly to intake manifold.
9. Install fuel hoses to fuel tube assembly.
Lubricate fuel hoses with a smear of silicone oil.
10. Tighten fuel tube bolts to 9.32 - 10.8 Nm (0.95 - 1.10 kg/m, 6.9 - 8.0 ft.lb.) as shown in the image.
Then tighten the bolts to 20.6 - 26.5 Nm (2.10 - 2.70 kgm/s, 15 - 20 ft.lb.).

CAUTION: After properly connecting fuel hose to injector and fuel tube assembly, check connection for fuel leakage.

11. Reinstall any parts removed in reverse order of removal.