Fuel Injectors, Removing and Installing

Fuel Injectors, Removing And Installing

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.

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

WARNING: 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).

WARNING: 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 torque

Component Nm
Fuel rail to intake manifold 10