REMOVAL AND INSTALLATION


caution When the fuel injector replacement is performed, use the M.U.T.-III to initialise the learning value (Refer to GROUP 00 - Precautions Before Service, Initialisation Procedure for Learning Value in MPI Engine ).
Pre-removal Operation
  • Fuel Discharge Prevention (Refer to ).
  • Air Intake Pipe and Air Hose Removal (Refer to ).
  • Throttle Body Assembly Removal (Refer to ).

 Post-installation Operation
  • Throttle Body Assembly Installation (Refer to ).
  • Air Intake Pipe and Air Hose Installation (Refer to ).
  • Fuel Leakage Inspection




Removal steps


1.
 Control harness connection
<<A>>
 >>E<<
 2.
 Fuel high-pressure hose connection

>>D<<
 3.
 Fuel delivery pipe and fuel injector assembly


4.
 Fuel injector insulator

>>C<<
 5.
 Fuel injector support

>>B<<
 6.
 Fuel injector assembly

>>A<<
 7.
 O-ring

>>A<<
 8.
 O-ring


9.
 Fuel injector


10.
 Fuel delivery pipe

REMOVAL SERVICE POINT

<<A>> FUEL HIGH-PRESSURE HOSE DISCONNECTION

1.Remove the stopper.

2.Raise the retainer, and pull out the fuel high-pressure hose.
note If the retainer comes off, install it securely after pulling out the fuel high-pressure hose.

INSTALLATION SERVICE POINTS

>>A<< O-RING INSTALLATION

1.Apply a small amount of new engine oil to the O-ring.
2.While turning the fuel injector to the right and left, install the O-ring to the fuel injector with care not to damage the O-ring.

>>B<< FUEL INJECTOR ASSEMBLY INSTALLATION
1.
caution Do not let the engine oil get into the fuel delivery pipe will be damaged.
Apply a drop of new engine oil to the O-ring.
2.Turn the fuel injector assembly to the right and left to install to the fuel delivery pipe. 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 fuel injector assembly, re-install it into the fuel delivery pipe and check again.

4.Install the fuel injector assembly so that the protrusion of the fuel injector is located at the centre of the fuel delivery pipe.

>>C<< FUEL INJECTOR SUPPORT INSTALLATION

Install the fuel injector support to the fuel injector groove and fuel delivery pipe brim, and fix the fuel injector assembly and fuel delivery pipe.

>>D<< FUEL DELIVERY PIPE AND FUEL INJECTOR ASSEMBLY INSTALLATION
1.
caution Do not let the engine oil get into the engine will be damaged.
Apply a small amount of new engine oil to the O-ring at the tip of the fuel injector assembly.
2.
caution When installing the fuel delivery pipe and fuel injector assembly to intake manifold, take care not to damage the O-ring at the tip of the fuel injector assembly.
Install the fuel delivery pipe and fuel injector assembly to intake manifold. Be careful not to damage the O-ring.
3.Tighten the fuel delivery pipe mounting bolts to the specified torque.
Tightening torque: 11 ± 1 N·m

>>E<< FUEL HIGH-PRESSURE HOSE CONNECTION

caution
  • After connecting the fuel high-pressure hose, check that it has been securely installed by slightly pulling in the removal direction. At this time, also check that there is approximately 3-mm play.
  • Do not let the engine oil get into the fuel delivery pipe will be damaged.
Apply a small amount of new engine oil to the fuel delivery pipe, and install the fuel high-pressure hose to the fuel delivery pipe.