Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000YQVZ
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 -           ]
Title: 2GR-FKS (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL; 2017 - 2020 MY Sienna [08/2016 -        ]

REMOVAL

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 V-BANK COVER SUB-ASSEMBLY

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

5. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY

Click here 2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL

6. REMOVE COWL PANEL SUB-ASSEMBLY

Click here 2016 - 2020 MY Sienna [12/2015 -        ]; FRONT SUSPENSION: FRONT SHOCK ABSORBER: REMOVAL+

7. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (ENGINE CONTROL): THROTTLE BODY: REMOVAL

8. DISCONNECT VENTILATION HOSE

(a) Slide the clip and disconnect the ventilation hose from the intake air surge tank assembly.

9. DISCONNECT PURGE VALVE (PURGE VSV)

(a) Disconnect the purge valve (purge VSV) connector.

(b) Disconnect the No. 1 fuel vapor feed hose from the intake air surge tank assembly.

(c) Remove the bolt and disconnect the purge valve (purge VSV) from the intake air surge tank assembly.

10. REMOVE NO. 2 SURGE TANK STAY

(a) Remove the 2 bolts and No. 2 surge tank stay from the intake manifold and camshaft housing RH.

11. REMOVE INTAKE AIR SURGE TANK ASSEMBLY

(a) Disconnect the No. 1 vacuum switching valve assembly (for ACIS) connector.

*1

No. 1 Vacuum Switching Valve Assembly (for ACIS) Connector

*2

Wire Harness Clamp

*3

Vacuum Hose Sub-assembly

(b) Disengage the wire harness clamp from the intake air surge tank assembly.

(c) Disengage the 5 clamps to disconnect the vacuum hose sub-assembly from the intake air surge tank assembly.

(d) Disengage the 2 clamps to disconnect the vacuum hose sub-assembly from the intake air surge tank assembly.

*1

Vacuum Hose Sub-assembly

*2

No. 2 Air Tube

(e) Disengage the clamp to disconnect the No. 2 air tube from the intake air surge tank assembly.

(f) Remove the 5 bolts, 2 nuts and intake air surge tank assembly from the intake manifold.

Bolt

Nut

(g) Disconnect the vacuum hose sub-assembly from the intake air surge tank assembly.

12. REMOVE AIR SURGE TANK TO INTAKE MANIFOLD GASKET

(a) Remove the air surge tank to intake manifold gasket from the intake air surge tank assembly.

13. REMOVE NO. 1 V-BANK COVER BRACKET

HINT:

Perform this procedure only when replacement of the No. 1 V-bank cover bracket is necessary.

(a) Remove the 2 No. 1 V-bank cover brackets from the intake air surge tank assembly.

14. REMOVE NO. 2 ENGINE MOUNTING STAY RH

Bolt

Nut

(a) Remove the bolt, 2 nuts and No. 2 engine mounting stay RH from the engine mounting insulator sub-assembly RH.

(b) Disengage the wire harness clamp from the wire harness clamp bracket.

(c) Remove the bolt and wire harness clamp bracket from the No. 2 engine mounting stay RH.

(d) Remove the bolt and No. 2 engine mounting stay RH from the intake manifold and engine mounting insulator sub-assembly RH.

15. DISCONNECT FUEL TUBE SUB-ASSEMBLY

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (FUEL): FUEL INJECTOR(for Port Injection): REMOVAL+

16. REMOVE FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (FUEL): FUEL INJECTOR(for Port Injection): REMOVAL+

17. REMOVE NO. 1 DELIVERY PIPE SPACER

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (FUEL): FUEL INJECTOR(for Port Injection): REMOVAL+

18. REMOVE INJECTOR VIBRATION INSULATOR

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (FUEL): FUEL INJECTOR(for Port Injection): REMOVAL+

19. REMOVE INTAKE MANIFOLD

(a) Remove the 4 bolts, 4 nuts and intake manifold from the cylinder head sub-assembly.

Bolt

Nut

20. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET

(a) Remove the 2 No. 1 intake manifold to head gaskets from each cylinder head sub-assembly.

21. REMOVE STUD BOLT

HINT:

If a stud bolt is deformed or the threads are damaged, replace it.

(a) Using an E8 "TORX" socket wrench, remove the 2 stud bolts from the intake manifold.