TOYOTA SIENNA 2007 Service Repair Manual

2GR-FE COOLING – RADIATORCO–43
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(b) Connect the No. 1 transmission oil cooler hoses to
the radiator.
(c) Connect the No. 1 oil cooler inlet and No. 1 oil
cooler outlet hoses to the No. 2 oil cooler outlet tube
sub-assembly.
13. INSTALL RADIATOR UPPER SUPPORT SUB-
ASSEMBLY
(a) Install the radiator upper support sub-assembly with
the 4 bolts.
Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf)
14. CONNECT COOLING FAN ECU CONNECTOR
(a) Connect the connector.
(b) Attach the clamp.
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CO–442GR-FE COOLING – RADIATOR
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15. INSTALL HOOD LOCK SUPPORT SUB-ASSEMBLY
(a) Install the hood lock support sub-assembly with the
2 bolts.
(b) Attach the clamp.
(c) Connect the low pitched horn and high pitched horn
connectors.
(d) Connect the ambient temperature sensor connector.
16. INSTALL HOOD LOCK ASSEMBLY
(a) Connect the cable to the hood lock assembly.
(b) Install the hood lock assembly with the 3 bolts.
Torque: 8 N*m (82 kgf*cm, 6 ft.*lbf)
(c) With Hood Courtesy Switch:
(1) Connect the connector.
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2GR-FE COOLING – RADIATORCO–45
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17. INSTALL HOOD LOCK RELEASE LEVER
PROTECTOR
(a) Engage the 4 claws to install the hood lock release
lever protector.
18. CONNECT NO. 2 RADIATOR HOSE
(a) Connect the No. 2 radiator hose to the radiator.
19. CONNECT NO. 1 RADIATOR HOSE
(a) Connect the No. 1 radiator hose to the radiator.
20. CONNECT RADIATOR RESERVE TANK HOSE OR
PIPE
(a) Connect the radiator reserve tank hose or pipe to
the radiator.
21. INSTALL NO. 1 AIR CLEANER INLET (See page EM-
59)
22. INSTALL FRONT BUMPER ENERGY ABSORBER
23. INSTALL FRONT BUMPER ASSEMBLY (See page ET-
9)
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CO–462GR-FE COOLING – RADIATOR
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24. INSTALL BATTERY (See page EM-59)
25. INSTALL NO. 2 AIR CLEANER INLET (See page EM-
60)
26. ADD ENGINE COOLANT (See page CO-7)
27. INSPECT FOR COOLANT LEAK (See page CO-1)
28. ADD AUTOMATIC TRANSAXLE FLUID
29. CHECK AUTOMATIC TRANSAXLE FLUID (See page
AX-123)
30. INSTALL NO. 1 ENGINE UNDER COVER (See page
EM-63)
31. INSTALL V-BANK COVER SUB-ASSEMBLY (See
page EM-63)
32. VEHICLE PREPARATION FOR HEADLIGHT AIM
ADJUSTMENT (See page LI-71)
33. PREPARATION FOR HEADLIGHT AIMING (Using a
tester) (See page LI-71)
34. PREPARATION FOR HEADLIGHT AIMING (Using a
screen) (See page LI-72)
35. HEADLIGHT AIMING INSPECTION (See page LI-74)
36. HEADLIGHT AIMING ADJUSTMENT (See page LI-75)
37. VEHICLE PREPARATION FOR FOG LIGHT AIM
ADJUSTMENT (w/ Fog Light) (See page LI-82)
38. PREPARATION FOR FOG LIGHT AIMING (Using a
screen) (w/ Fog Light) (See page LI-83)
39. FOG LIGHT AIMING INSPECTION (w/ Fog Light) (See
page LI-84)
40. FOG LIGHT AIMING ADJUSTMENT (w/ Fog Light)
(See page LI-85)

2GR-FE COOLING – WATER PUMPCO–11
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REMOVAL
1. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE
HINT:
See page EM-26
2. SECURE ENGINE (See page EM-37)
3. REMOVE GENERATOR ASSEMBLY (See page CH-17)
4. REMOVE COMPRESSOR AND MAGNETIC CLUTCH
(See page AC-227)
5. REMOVE NO. 1 ENGINE FRONT MOUNTING
BRACKET LH (See page EM-42)
6. REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY
(a) Remove the 2 bolts, 2 idler pulley cover plates and 2
idler pulley sub-assemblies.
7. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY
(a) Remove the 5 bolts and V-ribbed belt tensioner
assembly.
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CO–122GR-FE COOLING – WATER PUMP
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8. REMOVE WATER PUMP PULLEY
(a) Using SST, hold the water pump pulley.
SST 09960-10010 (09962-01000, 09963-00700)
(b) Remove the 4 bolts and water pump pulley.
9. REMOVE WATER INLET HOUSING
(a) Disconnect the water hose.
(b) Remove the 2 bolts, nut and water inlet housing.
(c) Remove the water inlet housing gasket and water
outlet pipe O-ring.
10. REMOVE WATER PUMP ASSEMBLY
(a) Remove the 16 bolts, water pump assembly and
water pump gasket.
INSPECTION
1. INSPECT WATER PUMP ASSEMBLY
(a) Visually check the drain hole and air hole for coolant
leakage.
(b) Turn the pulley, and check that the water pump
bearing moves smoothly and noiselessly.
If the bearing does not move smoothly and
noiselessly, replace the water pump.
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2GR-FE COOLING – WATER PUMPCO–13
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INSTALLATION
1. INSTALL WATER PUMP ASSEMBLY
(a) Install a new water pump gasket and the water
pump assembly with the 16 bolts.
Torque: Bolt A
21 N*m (214 kgf*cm, 15 ft.*lbf)
Bolts B and C
9.1 N*m (93 kgf*cm, 81 in.*lbf)
NOTICE:
• Make sure that there is no oil on the threads
of bolts A.
• Be sure to replace 2 bolts C with new ones or
reuse them after applying adhesive 1344.
Adhesive:
Toyota Genuine Adhesive 1344, Three Bond
1344 or equivalent
2. INSTALL WATER INLET HOUSING
(a) Install a new water inlet housing No. 1 gasket and
water outlet pipe O-ring.
(b) Install the water inlet housing with the 2 bolts and
nut.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
NOTICE:
Be careful not to allow the O-ring to get caught
between the parts.
(c) Connect the water hose.
3. INSTALL WATER PUMP PULLEY
(a) Temporarily install the water pump pulley with the 4
bolts.
(b) Using SST, hold the water pump pulley.
SST 09960-10010 (09962-01000, 09963-00700)
(c) Tighten the 4 bolts.
Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf)
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4. INSTALL V-RIBBED BELT TENSIONER ASSEMBLY
(a) Install the V-ribbed belt tensioner assembly with the
5 bolts.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)
5. INSTALL NO. 2 IDLER PULLEY SUB-ASSEMBLY
(a) Install the 2 idler pulley cover plates and idler pulley
sub-assemblies with the 2 bolts.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)
6. INSTALL NO. 1 ENGINE FRONT MOUNTING
BRACKET LH (See page EM-45)
7. INSTALL GENERATOR ASSEMBLY (See page CH-26)
8. INSTALL COMPRESSOR AND MAGNETIC CLUTCH
(See page AC-231)
9. INSTALL ENGINE HANGERS (See page EM-50)
10. REMOVE ENGINE STAND
11. INSTALL ENGINE ASSEMBLY WITH TRANSAXLE
HINT:
See page EM-44
12. ADD ENGINE COOLANT (See page CO-7)
13. INSPECT FOR COOLANT LEAK (See page CO-1)
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2GR-FE COOLING – THERMOSTATCO–15
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ENGINE
2GR-FE COOLING
THERMOSTAT
COMPONENTS
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CO–162GR-FE COOLING – THERMOSTAT
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REMOVAL
1. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
2. REMOVE NO. 1 ENGINE UNDER COVER (See page
EM-26)
3. DRAIN ENGINE COOLANT (See page CO-6)
4. REMOVE FRONT WHEEL RH
5. REMOVE FRONT FENDER APRON SEAL RH
6. REMOVE V-RIBBED BELT (See page EM-6)
7. DISCONNECT NO. 2 RADIATOR HOSE
(a) Disconnect the No. 2 radiator hose from the engine.
8. REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY
(a) Remove the bolt, idler pulley cover plate and idler
pulley sub-assembly.
9. REMOVE WATER INLET
(a) Remove the 2 nuts and water inlet.
10. REMOVE THERMOSTAT
(a) Remove the gasket from the thermostat.
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