2007 TOYOTA SIENNA Hoses

2GR-FE ENGINE CONTROL SYSTEM – KNOCK SENSORES–521
ES
REMOVAL
1. DISCHARGE FUEL SYSTEM PRESSURE
(See page FU-13)
2. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
3. DRAIN ENGINE COOLANT (See page CO-6)
4. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY
HINT:
(See page WW-4)
5. REMOVE FRONT OUTER COWL TOP PANEL SUB-
ASSEMBLY (See page EM-27)
6. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (See
page ES-493)
7. REMOVE AIR CLEANER CASE SUB-ASSEMBLY (See
page EM-28)
8. REMOVE INTAKE AIR SURGE TANK ASSEMBLY
(a) Disconnect the 2 water by-pass hoses from the
throttle body [A].
(b) Disconnect the vapor feed hose [B].
(c) Disconnect the throttle body connector and clamp
[C].
(d) Disconnect the ventilation hose [D].
(e) Disconnect the union to check valve hose [E].
(f) Disconnect the connector [F].
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2GR-FE ENGINE CONTROL SYSTEM – KNOCK SENSORES–523
ES
(a) Install a new gasket to the intake air surge tank [A].
(b) Using a 5 mm hexagon socket wrench, install the 4
bolts [B].
Torque: 18 N*m (184 kgf*cm, 13 ft.*lbf)
(c) Install the intake air surge tank with the 2 nuts and 2
bolts [C].
Torque: Nut
16 N*m (163 kgf*cm, 12 ft.*lbf)
Bolt
21 N*m (214 kgf*cm, 15 ft.*lbf)
(d) Connect the connector [D].
(e) Connect the union to check valve hose [E].
(f) Connect the ventilation hose No. 2 [F].
(g) Install the clamp and connect the throttle with motor
body assembly connector [G].
(h) Connect the vapor feed hose [H].
(i) Connect the 2 water by-pass hoses to the throttle
with motor body assembly [I].
5. INSTALL AIR CLEANER CASE SUB-ASSEMBLY (See
page EM-59)
6. INSTALL AIR CLEANER CAP SUB-ASSEMBLY (See
page ES-496)
7. ADD ENGINE COOLANT (See page CO-7)
8. INSPECT FOR ENGINE COOLANT LEAK (See page
CO-1)
9. INSPECT FOR FUEL LEAK (See page FU-7)
10. INSTALL FRONT OUTER COWL TOP PANEL SUB-
ASSEMBLY (See page EM-61)
11. INSTALL WINDSHIELD WIPER MOTOR ASSEMBLY
HINT:
(See page WW-5)
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EM–282GR-FE ENGINE MECHANICAL – ENGINE ASSEMBLY
EM
19. REMOVE V-BANK COVER SUB-ASSEMBLY
(a) Hold the front of the V-bank cover and raise it to
disengage the 2 clips on the front of the cover.
Continue to raise the cover to disengage the clip on
the rear of the cover and remove the cover.
NOTICE:
Attempting to disengage both front and rear
clips at the same time may cause the cover to
break.
20. REMOVE NO. 2 AIR CLEANER INLET
(a) Disconnect the vacuum switching valve clamp.
(b) Disconnect the 2 vacuum hoses.
(c) Remove the 2 bolts and No. 2 air cleaner inlet.
21. REMOVE NO. 1 AIR CLEANER INLET
(a) Remove the bolt and No. 1 air cleaner inlet.
22. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (See
page IT-4)
23. REMOVE AIR CLEANER FILTER ELEMENT SUB-
ASSEMBLY
(a) Remove the air cleaner filter element sub-assembly.
24. REMOVE AIR CLEANER CASE SUB-ASSEMBLY
(a) Disconnect the vacuum switching valve connector.
(b) Disconnect the vacuum hose.
(c) Remove the 3 bolts and air cleaner case.
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2GR-FE ENGINE MECHANICAL – ENGINE ASSEMBLYEM–35
EM
(b) Remove the 6 bolts, 2 nuts, and frame side rail
plates RH and LH.
(c) Remove the 6 bolts, 2 nuts, and front suspension
member brace rear RH and LH.
(d) Operate the engine lifter, then remove the engine
assembly from the vehicle.
NOTICE:
Make sure that the engine is clear of all wiring
and hoses.
62. REMOVE V-RIBBED BELT (See page EM-6)
63. REMOVE VANE PUMP ASSEMBLY
(a) Disconnect the power steering oil pressure switch
connector.
(b) Remove the 2 nuts.
(c) Loosen the bolt A.
(d) Remove the bolt B.
(e) Remove the bolt A and vane pump assembly.
64. REMOVE FRONT STABILIZER BAR (for 4WD)
HINT:
See page SP-35.
65. REMOVE POWER STEERING LINK
(a) Remove the 2 bolts and power steering link with
vane pump.
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EM–382GR-FE ENGINE MECHANICAL – ENGINE ASSEMBLY
EM
(b) Remove the engine hangers.
80. REMOVE VENTILATION HOSE
(a) Using pliers, grip the claws of the 2 clips and slide
the 2 clips to remove the ventilation hose.
81. 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 vapor feed hose (*2).
(c) Disconnect the throttle with motor body assembly
connector and clamp (*3).
(d) Disconnect the No. 1 ventilation hose.
(e) Disconnect the connector.
(f) Remove the 4 bolts, No. 1 surge tank stay and
throttle body bracket.
(g) Using a 5 mm socket hexagon wrench, remove the
4 bolts.
(h) Remove the 2 nuts and intake air surge tank (*4).
(i) Remove the gasket from the intake air surge tank
(*5).
82. REMOVE IGNITION COIL ASSEMBLY
(a) Remove the 6 bolts and 6 ignition coils.
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EC–62GR-FE EMISSION CONTROL – EMISSION CONTROL SYSTEM
EC
4. CHECK AIR INLET LINE
(a) Disconnect the air inlet line hose from the charcoal
canister.
(b) Check that air can flow freely into the air inlet line.
If air cannot flow freely into the air inlet line, repair or
replace it.
(c) Reconnect the air inlet line hose to the charcoal
canister.
5. VISUALLY INSPECT HOSES, CONNECTORS AND
GASKETS
(a) Check for cracks, leaks or damage.
HINT:
Removal or problems with the engine oil dipstick, oil
filler cap, PCV hose and other components may
cause the engine to run improperly. Disconnection,
looseness or cracks in the parts of the air induction
system between the throttle body and cylinder head
will allow air suction and cause the engine to run
improperly.
If necessary, replace any damaged parts.
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2GR-FE INTAKE – INTAKE AIR CONTROL VALVEIT–5
IT
REMOVAL
1. REMOVE NO. 2 AIR CLEANER INLET (See page EM-
28)
2. REMOVE AIR CLEANER CAP SUB-ASSEMBLY
(a) Disconnect the 3 vacuum hoses.
(b) Loosen the bolt, disconnect the 2 connectors, and
remove the 2 vacuum hoses.
(c) Remove the 2 bolts, air cleaner cap sub-assembly,
and air cleaner filter element.
3. REMOVE NO. 3 INTAKE AIR CONTROL VALVE
ASSEMBLY
(a) Disengage the 2 claws and remove the No. 3 intake
air control valve assembly.
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IT–62GR-FE INTAKE – INTAKE AIR CONTROL VALVE
IT
INSPECTION
1. INSPECT NO. 3 INTAKE AIR CONTROL VALVE
ASSEMBLY
(a) Inspect actuator operation.
(1) With 26.7 kPa (200 mm Hg, 7.9 in. Hg) of
vacuum applied to the actuator, check that the
actuator rod moves.
(2) One minute after applying the vacuum, check
that the actuator rod does not return.
(3) If the operation is not as specified, replace the
No. 3 intake air control valve.
INSTALLATION
1. INSTALL NO. 3 INTAKE AIR CONTROL VALVE
ASSEMBLY
(a) Engage the 2 claws and install the No. 3 intake air
control valve assembly.
2. INSTALL AIR CLEANER CAP SUB-ASSEMBLY
(a) Install the air cleaner filter element, and air cleaner
cap sub-assembly with the 2 bolts.
Torque: 5.0 N*m (50 kgf*cm, 44 in.*lbf)
(b) Connect the 3 vacuum hoses.
(c) Tighten the bolt, connect the 2 connectors, and
install the 2 vacuum hoses.
3. INSTALL NO. 2 AIR CLEANER INLET (See page EM-
60)
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