Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000YQRS
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 -           ]
Title: 2GR-FKS (FUEL): FUEL INJECTOR(for Port Injection): REMOVAL; 2017 - 2020 MY Sienna [08/2016 -        ]

REMOVAL

CAUTION / NOTICE / HINT

PROCEDURE

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 here 2017 - 2020 MY Sienna [08/2016 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

2. DISCHARGE FUEL SYSTEM PRESSURE

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (FUEL): FUEL SYSTEM: PRECAUTION

3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

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

Click here 2017 MY Sienna [08/2016 - 11/2017]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION 2018 - 2020 MY Sienna [11/2017 -        ]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

4. REMOVE INTAKE AIR SURGE TANK ASSEMBLY

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL

5. DISCONNECT FUEL TUBE SUB-ASSEMBLY

(a) Disconnect the fuel tube sub-assembly from the fuel delivery pipe with sensor assembly.

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (FUEL): FUEL SYSTEM: PRECAUTION

6. REMOVE FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY

(a) Disconnect the fuel pressure sensor connector.

*a

Fuel Pressure Sensor Connector

*b

No. 5 Engine Wire Connector

(b) Disconnect the 2 No. 5 engine wire connectors.

(c) Remove the 4 bolts and fuel delivery pipe with sensor assembly with the 6 fuel injector assemblies from the intake manifold.

NOTICE:

  • Be careful not to drop the fuel injector assemblies when removing the fuel delivery pipe with sensor assembly.
  • When removing the fuel delivery pipe with sensor assembly, hold the pipe by both ends and pull it straight upward.

7. REMOVE NO. 1 DELIVERY PIPE SPACER

(a) Remove the 4 No. 1 delivery pipe spacers from the intake manifold.

8. REMOVE INJECTOR VIBRATION INSULATOR

(a) Remove the 6 injector vibration insulators from the intake manifold.

9. REMOVE FUEL INJECTOR ASSEMBLY

(a) for Bank 2:

(1) Disengage the clamp to disconnect the No. 5 engine wire from the fuel delivery pipe with sensor assembly.

(2) Pull the 3 fuel injector assemblies out of the fuel delivery pipe with sensor assembly.

(3) Disconnect the 3 fuel injector assembly connectors.

(b) for Bank 1:

(1) Disengage the clamp to disconnect the No. 5 engine wire from the fuel delivery pipe with sensor assembly.

(2) Pull the 3 fuel injector assemblies out of the fuel delivery pipe with sensor assembly.

(3) Disconnect the 3 fuel injector assembly connectors.

(c) Remove the O-ring from each fuel injector assembly.

(d) Attach a tag or label with the corresponding cylinder number to each fuel injector assembly so that they can be installed to their original locations.

NOTICE:

Cover the fuel injector assemblies with plastic bags to prevent damage and contamination.