Toyota Sienna Quiz
Engine

Removal

In this manual: Engine
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
~3min read

1. DISCHARGE FUEL SYSTEM PRESSURE HINT: See page FU-1.

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

3. REMOVE NO. 1 ENGINE UNDER COVER

4. DRAIN ENGINE COOLANT (See page CO-6)

5. REMOVE FRONT WIPER ARM HEAD CAP (See page WW-4)

6. REMOVE FRONT WIPER ARM RH (See page WW-4)

7. REMOVE FRONT WIPER ARM LH (See page WW-4)

8. REMOVE COWL TOP VENTILATOR LOUVER SUBASSEMBLY (See page WW-4)

9. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY (See page WW-4)

10. REMOVE NO. 1 COWL TOP TO COWL BRACE INNER

REMOVE NO. 1 COWL TOP TO COWL BRACE INNER

(a) Remove the 2 bolts and the No. 1 cowl top to cowl brace inner.

11. REMOVE COWL TOP PANEL SUB-ASSEMBLY OUTER FRONT

REMOVE COWL TOP PANEL SUB-ASSEMBLY OUTER FRONT

(a) Remove the wire harness clamp.

(b) Disconnect the fuel pump resistor connector.

(c) Remove the 7 bolts and the cowl top panel outer front.

12. REMOVE V-BANK COVER SUB-ASSEMBLY (See page EM-28)

13. REMOVE AIR CLEANER CAP SUB-ASSEMBLY

REMOVE AIR CLEANER CAP SUB-ASSEMBLY

(a) Disconnect the 3 vacuum hoses.

REMOVE AIR CLEANER CAP SUB-ASSEMBLY

(b) Remove the No. 2 ventilation hose and air cleaner hose band.

(c) Disconnect the vacuum hose (EVAP) from the air cleaner hose.

REMOVE AIR CLEANER CAP SUB-ASSEMBLY

(d) Remove the 2 bolts and air cleaner cap subassembly.

14. REMOVE INTAKE AIR SURGE TANK ASSEMBLY

REMOVE INTAKE AIR SURGE TANK ASSEMBLY

(a) Disconnect the 2 water by-pass hoses from the throttle with motor body assembly. (*1) (b) Disconnect the fuel vapor feed hose assembly.(*2) (c) Disconnect the throttle with motor body assembly connector and clamp. (*3)

REMOVE INTAKE AIR SURGE TANK ASSEMBLY

(d) Disconnect the No. 1 ventilation hose. (*4) (e) Disconnect the union to check valve hose. (*5)

REMOVE INTAKE AIR SURGE TANK ASSEMBLY

(f) Disconnect the connector.

REMOVE INTAKE AIR SURGE TANK ASSEMBLY

(g) Using a 5 mm socket hexagon wrench, remove the 4 bolts. (*1) (h) Remove the 2 nuts, 2 bolts, and intake air surge tank. (*2) (i) Remove the gasket from the intake air surge tank.

15. DISCONNECT FUEL TUBE SUB-ASSEMBLY

DISCONNECT FUEL TUBE SUB-ASSEMBLY

(a) Remove the No. 2 fuel pipe clamp.

(b) Pinch the tube connector and pull out the fuel pipe.

NOTICE:
  • Check that there is no dirt or other foreign objects around the connector before disconnecting it. Clean the connector as necessary.
  • It is necessary to prevent mud or dirt from entering the quick connector. If mud or dirt gets in the connector, the O-rings may not seal properly.
  • Only disconnect the quick connector by hand.
  • Do not bend, kink or twist the nylon tubes.
Protect the connector by covering it with a plastic bag.
  • If the pipe and the connector are stuck, carefully try wiggling or pushing and pulling on the connector to release it. Pull the connector off the pipe carefully.

    • 16. REMOVE FUEL INJECTOR ASSEMBLY

    REMOVE FUEL INJECTOR ASSEMBLY

    (a) Disconnect the 6 fuel injector connectors.

    REMOVE FUEL INJECTOR ASSEMBLY

    (b) Remove the 5 bolts and fuel delivery pipe subassembly together with the 6 fuel injectors.

    NOTICE: Be careful not to drop the fuel injectors when removing the fuel delivery pipe sub-assembly.
    REMOVE FUEL INJECTOR ASSEMBLY

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

    REMOVE FUEL INJECTOR ASSEMBLY

    (d) Pull out the fuel injectors from the fuel delivery pipe sub-assembly

    REMOVE FUEL INJECTOR ASSEMBLY

    (e) Remove the 6 O-rings from the fuel injectors.

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    A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.