Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000YQSA
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 -           ]
Title: 2GR-FKS (FUEL): FUEL PUMP(for High Pressure): 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 MANIFOLD

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

5. REMOVE NO. 2 ENGINE UNDER COVER (for AWD)

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

6. REMOVE FUEL PUMP PROTECTOR

(a) Disengage the clamp to disconnect the fuel tube sub-assembly from the fuel pump protector.

(b) Remove the 2 bolts and fuel pump protector from the cylinder head sub-assembly.

7. DISCONNECT NO. 2 FUEL TUBE SUB-ASSEMBLY

(a) Disconnect the No. 2 fuel tube sub-assembly from the fuel pump assembly.

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

8. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY

CAUTION:

To prevent serious injury due to fuel spray from the high-pressure fuel lines, always discharge fuel system pressure before removing any fuel system components.

(a) Using a 17 mm union nut wrench, loosen the 2 union nuts of the No. 1 fuel pipe sub-assembly.

(b) Loosen the 2 bolts of the fuel pump assembly.

(c) Remove the No. 1 fuel pipe sub-assembly from the fuel delivery pipe RH and fuel pump assembly.

9. REMOVE FUEL PUMP ASSEMBLY

(a) Disconnect the fuel pump assembly connector.

(b) Remove the 2 bolts, fuel pump assembly and fuel pump lifter guide from the cylinder head cover sub-assembly.

(c) Remove the fuel pump lifter assembly from the fuel pump lifter housing.

(d) Remove the fuel pump spacer gasket from the cylinder head cover sub-assembly.