Fuel Injector: Service and Repair

INJECTOR




REMOVAL AND INSTALLATION

REMOVAL SERVICE POINT

<> FUEL RAIL AND INJECTOR ASSEMBLY REMOVAL

CAUTION: Do not drop the injector.

Remove the fuel rail with the injectors attached to it.

INSTALLATION SERVICE POINT




>>A<< INJECTORS INSTALLATION

CAUTION:
- The injectors are classified into A, B and C by the injection quantity. When replacing one of injectors, use a same identification mark injector as the other injectors.
- When replacing the injectors of all cylinders, use the same identification mark injectors.

>>B<< INJECTOR ASSEMBLY/FUEL HIGH-PRESSURE HOSE INSTALLATION

CAUTION:
- Do not kink the fuel high-pressure hose as it is made of plastics.
- Do not let the engine oil get into the fuel rail.

1. Apply a drop of new engine oil to the O-ring.
2. Turn the injector to the right and left to install to the fuel rail. Repeat for fuel high-pressure hose. Be careful not to damage the O-ring. After installing, check that the item turns smoothly.
3. If it does not turn smoothly, the O-ring may be trapped, remove the item, re-install it into the fuel rail and check again.
4. Tighten the fuel high-pressure hose to the specified torque.
Tightening torque: 5.0 ± 1.0 Nm (44 ± 9 in-lb)