Removal [10/2023 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.

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

Refer to PRECAUTION [11/2018 - ]
DISCHARGE FUEL SYSTEM PRESSURE
Refer to PRECAUTION [08/2020 - ]
REMOVE DECK BOARD ASSEMBLY
Refer to PROCEDURE - Step 2
REMOVE REAR NO. 2 FLOOR BOARD
Refer to PROCEDURE - Step 3
REMOVE BATTERY HOLE COVER
Refer to PROCEDURE - Step 4
DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
NOTE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

Refer to INITIALIZATION [10/2023 - ]
REMOVE INTAKE MANIFOLD
Refer to REMOVAL [08/2020 - ]
REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY
Refer to PROCEDURE - Step 10

REMOVE FUEL DELIVERY PIPE

NOTE:

When replacing the fuel delivery pipe, it is necessary to replace the No. 1 fuel pipe sub-assembly with a new one.

Detach the clamp and disconnect the connector from the fuel pressure sensor.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Disconnect the 4 connectors from the 4 direct fuel injector assemblies.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NOTE:

Make sure to disconnect the connectors carefully.

Remove the 4 bolts and fuel delivery pipe from the cylinder head sub-assembly.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NOTE:

Make sure not to touch or strike the tips of the direct fuel injector assemblies.
Pull and remove the fuel delivery pipe in a straight line without tilting it.

REMOVE DIRECT FUEL INJECTOR ASSEMBLY

Secure the fuel delivery pipe in a vise between aluminum plates and pull out the 4 direct fuel injector assemblies.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NOTE:

Pull and remove each direct fuel injector assembly in a straight line to avoid damaging the seal surface of the fuel delivery pipe O-ring.
After removing the direct fuel injector assemblies, remove any O-rings, No. 1 fuel injector back-up rings and No. 3 fuel injector back-up rings remaining on the fuel delivery pipe side.
Attach a tag or label with the corresponding cylinder number to each direct fuel injector assembly so that they can be installed to their original locations.
Cover the tip of each direct fuel injector assembly to prevent it from being damaged.

Remove the nozzle holder clamp from each direct fuel injector assembly.
Using needle nose pliers, remove the No. 3 fuel injector back-up ring from each direct fuel injector assembly.
NOTE:
Do not damage the area that contacts the O-ring.
Remove the O-ring and No. 1 fuel injector back-up ring from each direct fuel injector assembly.
Remove the C-ring and injector vibration insulator from each direct fuel injector assembly.

REMOVE FUEL INJECTOR SEAL

Using the tip of needle nose pliers, pinch and pull the fuel injector seal at several points to stretch it.

NOTE:

Excessively pinching the fuel injector seal may damage the groove of the direct fuel injector assembly.
If a direct fuel injector assembly is dropped or the tip of the direct fuel injector assembly is struck, replace it with a new one.