2NZ-FE FUEL  FUEL INJECTOR  REMOVAL  


PROCEDURE

Hide 1. PRECAUTION

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

Click hereGeneral>INTRODUCTION>REPAIR INSTRUCTION>PRECAUTION


Hide 2. DISCHARGE FUEL SYSTEM PRESSURE

Click hereEngine / Hybrid System>2NZ-FE FUEL>FUEL SYSTEM>PRECAUTION

Hide 3.DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

Click hereGeneral>INTRODUCTION>REPAIR INSTRUCTION>INITIALIZATION


Hide 11212 4.REMOVE NO. 2 CYLINDER HEAD COVER

Click hereEngine / Hybrid System>2NZ-FE ENGINE MECHANICAL>ENGINE ASSEMBLY>REMOVAL

Hide 12261 6.DISCONNECT VENTILATION HOSE

Click hereEngine / Hybrid System>2NZ-FE ENGINE MECHANICAL>CAMSHAFT>REMOVAL

Hide 12262 7.DISCONNECT NO. 2 VENTILATION HOSE

Click hereEngine / Hybrid System>2NZ-FE ENGINE MECHANICAL>CAMSHAFT>REMOVAL

Hide 82121 8.DISCONNECT ENGINE WIRE

a.
A323545

Disconnect the 4 fuel injector assembly connectors.


b.

Disengage the 2 clamps to disconnect the engine wire from the 2 wire harness clamp brackets.


Hide 11201 9.REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY

Click hereEngine / Hybrid System>2NZ-FE ENGINE MECHANICAL>ENGINE UNIT>DISASSEMBLY

Hide 11213 10.REMOVE CYLINDER HEAD COVER GASKET

Click hereEngine / Hybrid System>2NZ-FE ENGINE MECHANICAL>ENGINE UNIT>DISASSEMBLY

Hide 23901 11.DISCONNECT FUEL TUBE SUB-ASSEMBLY

NOTICE:

Remove any dirt or foreign matter on the fuel tube connector and fuel pipe before performing this work.


a.
A323546

Remove the No. 1 fuel pipe clamp.


b.

Check that there is no dirt or other foreign matter around the fuel tube connector before disconnecting it. Clean the joint if necessary.


c.

Disconnect the fuel tube sub-assembly from the fuel delivery pipe sub-assembly.

i.
A323548C01
2.771,1.813 2.51,1.917 2.51,1.917 2.729,1.573 false 2.354,3.375 2.354,2.896 2.354,2.896 2.521,2.896 false 1.646,2.917 2.021,2.917 2.021,2.917 2.021,3.438 false 1.865,3.448 1.865,2.917 false 1.208,4.063 1.208,3.76 false 2.333,4.177 2.333,3.906 false 2.656,3.708 2.833,4.25 2.833,4.25 2.99,4.25 false 2.354,1.865 2.667,2.021 0.313,0.156 10 false *a 1.469,2.833 1.781,2.99 0.313,0.156 10 false *b 2.26,4.188 2.573,4.344 0.313,0.156 10 false *c 1.125,4.104 1.438,4.26 0.313,0.156 10 false *d 3.052,4.167 3.365,4.323 0.313,0.156 10 false *e 2.583,2.813 2.896,2.969 0.313,0.156 10 false *a
*a Retainer
*b O-ring
*c Fuel Tube Connector
*d Nylon Tube
*e Fuel Pipe
V100135

Pinch
V100136

Pull


Pinch the retainer of the fuel tube connector, and then pull the fuel tube connector off of the fuel pipe.

NOTICE:

Be sure to disconnect the fuel tube connector by hand.



ii.

If the fuel tube connector and fuel pipe are stuck, push and pull the fuel tube connector to release it. Pull the fuel tube connector off of the fuel pipe carefully.

NOTICE:
·

Be sure to disconnect the fuel tube connector by hand.

·

Do not allow any scratches or foreign matter to get on the parts when disconnecting them as the fuel tube connector has O-rings that seal the fuel pipe.

·

Do not forcibly bend, twist or turn the nylon tube.




iii.

Check if there is any foreign matter on the sealing surfaces of the disconnected fuel lines. Clean them if necessary.


iv.

Cover the disconnected fuel pipe and fuel tube connector with plastic bags to prevent damage and contamination.



Hide 23807 12.REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY

a.
A115494

Remove the 3 bolts and fuel delivery pipe sub-assembly with the 4 fuel injector assemblies.

NOTICE:

Do not drop the fuel injector assemblies when removing the fuel delivery pipe sub-assembly.



Hide 23807V 13.REMOVE NO. 1 DELIVERY PIPE SPACER

a.
A115496

Remove the 2 No. 1 delivery pipe spacers from the cylinder head sub-assembly.


Hide 23291 14.REMOVE INJECTOR VIBRATION INSULATOR

a.
A115497

Remove the 4 injector vibration insulators from the cylinder head sub-assembly.


Hide 23250 15.REMOVE FUEL INJECTOR ASSEMBLY

a.
A302922

Pull the 4 fuel injector assemblies out of the fuel delivery pipe sub-assembly.


b.

Remove the O-ring from each fuel injector assembly.


c.

For reinstallation, attach a tag or label with the corresponding cylinder number to each fuel injector assembly.

NOTICE:

Protect the fuel injector assemblies by covering them with plastic bags.