2007 TOYOTA SIENNA water pump

2GR-FE ENGINE MECHANICAL – ENGINE UNITEM–85
EM
26. REMOVE WATER PUMP ASSEMBLY
(a) Remove the 16 bolts, water pump assembly and
gasket.
27. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY
(a) Remove the 15 bolts and 2 nuts as shown in the
illustration.
(b) Remove the timing chain cover sub-assembly by
prying between the timing chain cover and cylinder
head sub-assembly or cylinder block sub-assembly
with a screwdriver.
NOTICE:
Be careful not to damage the contact surfaces of
the cylinder head, cylinder block and chain
cover.
HINT:
Tape the screwdriver tip before use.
(c) Remove the 4 bolts, chain cover plate and chain
cover plate gasket.
(d) Remove the gasket.
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EM–1542GR-FE ENGINE MECHANICAL – ENGINE UNIT
EM
46. INSTALL WATER PUMP ASSEMBLY
(a) Install a new gasket and the water pump assembly
with the 8 bolts.
Torque: 9.1 N*m (93 kgf*cm, 81 in.*lbf)
NOTICE:
Be sure to replace the bolts indicated by A with
new ones or reuse them after applying adhesive
1344.
47. INSTALL TIMING CHAIN COVER SUB-ASSEMBLY
(a) Apply seal packing in a continuous line to the
engine unit as shown in the following illustration.
Seal packing:
Toyota Genuine Seal Packing Black, Three
Bond 1207B or equivalent
Seal diameter:
3.0 mm (0.118 in.)
NOTICE:
• Be sure to clean and degrease the contact
surfaces, especially the surfaces indicated by
C in the illustration.
• When the contact surfaces are wet, wipe them
with an oil-free cloth before applying seal
packing.
• Install the chain cover within 3 minutes.
• Do not start the engine for at least 2 hours
after installing.
A132227E03
A132228E01

2GR-FE ENGINE MECHANICAL – ENGINE ASSEMBLYEM–41
EM
92. REMOVE ENGINE MOUNTING BRACKET RR (for
4WD)
(a) Remove the 3 bolts and engine mounting bracket
RR.
93. REMOVE GENERATOR ASSEMBLY (See page CH-17)
94. REMOVE COOLER COMPRESSOR ASSEMBLY
95. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY
(a) Remove the 5 bolts and V-ribbed belt tensioner
assembly.
96. REMOVE NO. 2 TIMING GEAR COVER
(a) Remove the 2 bolts and No. 2 timing gear cover.
97. REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY
(a) Remove the bolt, plate and No. 2 idler pulley sub-
assembly.
98. REMOVE WATER PUMP PULLEY (See page CO-12)
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2GR-FE ENGINE MECHANICAL – ENGINE ASSEMBLYEM–45
EM
4. INSTALL NO. 1 VACUUM SWITCHING VALVE
ASSEMBLY
(a) Install the bolt and No. 1 vacuum switching valve.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
5. INSTALL RADIO SETTING CONDENSER
(a) Install the 2 bolts and 2 radio setting condensers.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
6. INSTALL NO. 1 ENGINE FRONT MOUNTING
BRACKET LH
(a) Install the No. 1 engine front mounting bracket LH
with the 6 bolts.
Torque: 54 N*m (551 kgf*cm, 40 ft.*lbf)
7. INSTALL WATER PUMP PULLEY (See page CO-13)
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A132991
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2GR-FE ENGINE MECHANICAL – ENGINE UNITEM–85
EM
26. REMOVE WATER PUMP ASSEMBLY
(a) Remove the 16 bolts, water pump assembly and
gasket.
27. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY
(a) Remove the 15 bolts and 2 nuts as shown in the
illustration.
(b) Remove the timing chain cover sub-assembly by
prying between the timing chain cover and cylinder
head sub-assembly or cylinder block sub-assembly
with a screwdriver.
NOTICE:
Be careful not to damage the contact surfaces of
the cylinder head, cylinder block and chain
cover.
HINT:
Tape the screwdriver tip before use.
(c) Remove the 4 bolts, chain cover plate and chain
cover plate gasket.
(d) Remove the gasket.
A129688
A129689E01
A129690E02
A128006E01

EM–1542GR-FE ENGINE MECHANICAL – ENGINE UNIT
EM
46. INSTALL WATER PUMP ASSEMBLY
(a) Install a new gasket and the water pump assembly
with the 8 bolts.
Torque: 9.1 N*m (93 kgf*cm, 81 in.*lbf)
NOTICE:
Be sure to replace the bolts indicated by A with
new ones or reuse them after applying adhesive
1344.
47. INSTALL TIMING CHAIN COVER SUB-ASSEMBLY
(a) Apply seal packing in a continuous line to the
engine unit as shown in the following illustration.
Seal packing:
Toyota Genuine Seal Packing Black, Three
Bond 1207B or equivalent
Seal diameter:
3.0 mm (0.118 in.)
NOTICE:
• Be sure to clean and degrease the contact
surfaces, especially the surfaces indicated by
C in the illustration.
• When the contact surfaces are wet, wipe them
with an oil-free cloth before applying seal
packing.
• Install the chain cover within 3 minutes.
• Do not start the engine for at least 2 hours
after installing.
A132227E03
A132228E01

2GR-FE COOLING – WATER PUMPCO–11
CO
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.
A129645E01
A161449

CO–122GR-FE COOLING – WATER PUMP
CO
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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