Removal and Replacement

Fuel Injectors

Removing

- Disconnect battery Ground cable.

- Remove rear engine cover (arrows).





- Disconnect check valve hose.

- Remove bolts for retainer plate for solenoid valve (arrows).





- Lift up retainer plate and move it toward rear of engine.

- Remove front engine cover (arrows).





- Disconnect harness connectors to Intake manifold change-over valve (N156) - 1 -.





- Gently lift up fuel rail and disconnect all harness connectors at fuel injectors. Disengage harness connectors underneath (arrow).





Vehicles up to 06.03

- Disconnect vacuum hose - 3 - from fuel pressure regulator.





• To install a new fuel rail disconnect the fuel supply line - 2 - and return line - 1 -.

CAUTION!
The fuel system is under pressure! Place a cloth around the connection point before opening the system. Then open the connection carefully to relieve pressure.

All:

- Unbolt fuel rail from intake manifold (arrows).

Vehicles as of 07.03:

To replace the fuel rail pipe, fuel hose must be unscrewed from connection on fuel rail pipe. To do so, counterhold using an open-end wrench at each hex head - 1 - and - 3 - and unscrew union nut - 2 - (tightening torque 22 Nm).





CAUTION!
Fuel system is under pressure! Before opening system, place rags around the connection. Then release pressure by carefully loosening connection.

All:

- Remove fuel rail together with injectors from intake manifold and place it on a clean cloth at back of engine compartment.

- Remove retaining clip and remove injector.

Installing

Install in reverse order, note the following:

• Replace the O-rings at all opened connections.

• Coat the O-rings with clean engine oil.

• Make sure that the injectors are installed in the correct positions.

• Check to make sure that the retainer clamps are properly seated.

• Position fuel rail with injectors on intake manifold and press evenly into place.

Tightening Specification