sensor TOYOTA SIENNA 2007 Service Repair Manual

EM–422GR-FE ENGINE MECHANICAL – ENGINE ASSEMBLY
EM
99. REMOVE NO. 1 ENGINE FRONT MOUNTING
BRACKET LH
(a) Remove the 6 bolts and No. 1 engine front mounting
bracket LH.
100. REMOVE RADIO SETTING CONDENSER
(a) Remove the 2 bolts and 2 radio setting condensers.
101. REMOVE NO. 1 VACUUM SWITCHING VALVE
ASSEMBLY
(a) Remove the bolt and No. 1 vacuum switching valve.
102. REMOVE ENGINE OIL PRESSURE SWITCH
ASSEMBLY
(a) Using a 24 mm deep socket wrench, remove the
engine oil pressure switch assembly.
103. REMOVE KNOCK CONTROL SENSOR (See page ES-
522)
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104. REMOVE ENGINE COOLANT TEMPERATURE
SENSOR
(a) Using a 19 mm deep socket wrench, remove the
EFI engine coolant temperature sensor and gasket.
INSPECTION
1. INSPECT EXHAUST MANIFOLD SUB-ASSEMBLY LH
(a) Using a precision straightedge and feeler gauge,
measure the warpage on the contact surface of the
cylinder head.
Maximum warpage:
0.7 mm (0.028 in.)
HINT:
The maximum allowable warpage of each
installation surface is 0.3 mm (0.012 in.).
If the warpage is greater than the maximum, replace
the manifold.
2. INSPECT EXHAUST MANIFOLD SUB-ASSEMBLY RH
(a) Using a precision straightedge and feeler gauge,
measure the warpage on the contact surface of the
cylinder head.
Maximum warpage:
0.7 mm (0.028 in.)
HINT:
The maximum allowable warpage of each
installation surface is 0.3 mm (0.012 in.).
If the warpage is greater than the maximum, replace
the manifold.
3. INSPECT INTAKE AIR SURGE TANK ASSEMBLY
(a) Using a precision straightedge and feeler gauge,
measure the warpage on the contact surface of the
intake manifold.
Maximum warpage:
2.5 mm (0.098 in.)
If the warpage is greater than the maximum,
replace the surge tank.
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EM–442GR-FE ENGINE MECHANICAL – ENGINE ASSEMBLY
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4. INSPECT INTAKE MANIFOLD
(a) Cylinder head side:
(1) Using a precision straightedge and feeler
gauge, measure the surface contacting the
cylinder head for warpage.
Maximum warpage:
0.1 mm (0.003 in.)
If the warpage is greater than the
maximum, replace the intake manifold.
(b) Surge tank side:
(1) Using a precision straightedge and feeler
gauge, measure the surface contacting the
surge tank for warpage.
Maximum warpage:
0.1 mm (0.003 in.)
If the warpage is greater than the
maximum, replace the intake manifold.
INSTALLATION
1. INSTALL ENGINE COOLANT TEMPERATURE
SENSOR
(a) Using a 19 mm deep socket wrench, install the
engine coolant temperature sensor and a new
gasket.
Torque: 20 N*m (200 kgf*cm, 14 ft.*lbf)
2. INSTALL KNOCK CONTROL SENSOR (See page ES-
522)
3. INSTALL ENGINE OIL PRESSURE SWITCH
ASSEMBLY
(a) Clean the threads of the oil pressure switch. Apply
adhesive to 2 or 3 threads of the oil pressure switch.
Adhesive:
Part No. 08833-00080, THREE BOND 1344,
LOCTITE 242 or equivalent
(b) Using a 24 mm deep socket wrench, install the oil
pressure switch.
Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf)
NOTICE:
Do not start the engine within 1 hour after
installation to prevent oil leaks.
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(c) Install the frame side rail plates RH and LH with the
6 bolts and 2 nuts.
Torque: A
85 N*m (867 kgf*cm, 63 ft.*lbf)
B
32 N*m (329 kgf*cm, 24 ft.*lbf)
(d) Install the front suspension member brace rear RH
and LH with the 6 bolts and 2 nuts.
Torque: A
85 N*m (867 kgf*cm, 63 ft.*lbf)
B
32 N*m (329 kgf*cm, 24 ft.*lbf)
45. RECONNECT SUCTION HOSE SUB-ASSEMBLY (See
page AC-231)
46. RECONNECT DISCHARGE HOSE SUB-ASSEMBLY
(See page AC-232)
47. INSTALL STEERING INTERMEDIATE SHAFT SUB-
ASSEMBLY (See page SR-10)
48. INSTALL FRONT AXLE ASSEMBLY LH (See page DS-
18)
49. INSTALL FRONT AXLE ASSEMBLY RH
HINT:
Use the same procedures described for the LH side.
50. INSTALL FRONT SUSPENSION LOWER NO. 1 ARM
LH (See page DS-18)
51. INSTALL FRONT SUSPENSION LOWER NO. 1 ARM
RH
HINT:
Use the same procedures described for the LH side.
52. INSTALL TIE ROD ASSEMBLY LH (See page DS-18)
53. INSTALL TIE ROD ASSEMBLY RH
HINT:
Use the same procedures described for the LH side.
54. INSTALL FRONT SPEED SENSOR LH (See page DS-
18)
55. INSTALL FRONT SPEED SENSOR RH
HINT:
Use the same procedures described for the LH side.
56. INSTALL FRONT AXLE HUB NUT LH (See page DS-
19)
57. INSTALL FRONT AXLE HUB NUT RH
HINT:
Use the same procedures described for the LH side.
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116. INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY
(a) Install the No. 1 engine under cover sub-assembly
with the 8 bolts and 4 clips.
117. INSTALL V-BANK COVER SUB-ASSEMBLY
(a) Fit the 3 retainers and install the V-bank cover.
118. CHECK ABS SPEED SENSOR SIGNAL
BC-72
119. RESET MEMORY
HINT:
See page AX-16.
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EM–762GR-FE ENGINE MECHANICAL – ENGINE UNIT
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DISASSEMBLY
1. REMOVE OIL FILLER CAP SUB-ASSEMBLY
(a) Remove the oil filler cap sub-assembly and oil filler
gasket.
2. REMOVE SPARK PLUG
(a) Remove the spark plugs.
3. REMOVE OIL PAN DRAIN PLUG
(a) Remove the oil pan drain plug and oil pan drain plug
gasket.
4. REMOVE VENTILATION VALVE SUB-ASSEMBLY
(a) Remove the ventilation valve sub-assembly.
5. REMOVE CAMSHAFT POSITION SENSOR
(a) Remove the 4 bolts and 4 camshaft position
sensors.
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2GR-FE ENGINE MECHANICAL – ENGINE UNITEM–77
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6. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE
ASSEMBLY
(a) Remove the 4 bolts and 4 camshaft oil control
valves.
7. REMOVE CRANKSHAFT POSITION SENSOR
(a) Remove the bolt and crankshaft position sensor.
8. REMOVE NO. 1 OIL PIPE
(a) Remove the 2 oil pipe unions, gaskets and oil pipe.
(b) Remove the oil control valve filter LH and gaskets.
9. REMOVE OIL PIPE
(a) Remove the bolt.
(b) Remove the 2 oil pipe unions and oil pipe.
(c) Remove the oil control valve filter RH and gaskets.
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EM–862GR-FE ENGINE MECHANICAL – ENGINE UNIT
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28. REMOVE TIMING CHAIN CASE OIL SEAL
(a) Using a screwdriver, pry out the timing chain case
oil seal.
HINT:
Tape the screwdriver tip before use.
29. SET NO. 1 CYLINDER TO TDC / COMPRESSION
(a) Temporarily tighten the pulley set bolt.
(b) Set the timing mark on the crank angle sensor plate
to the RH block bore center line (TDC /
compression).
(c) Check that the timing marks of the camshaft timing
gears are aligned with those of the bearing cap as
shown in the illustration.
If not, turn the crankshaft 1 revolution (360
) and
align the timing marks as above.
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EM–1682GR-FE ENGINE MECHANICAL – ENGINE UNIT
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64. INSTALL OIL PIPE
(a) Make sure that there is no foreign matter on the
mesh of the oil control valve filter RH.
NOTICE:
Do not touch the mesh when installing the oil
control valve filter.
(b) Install the oil control valve filter RH to the oil pipe
union. Install new gaskets and temporarily install the
oil pipe (on the head cover side).
(c) Install a new gasket and temporarily install the oil
pipe (on the cylinder head side) with the oil check
valve bolt.
(d) Install the bolt (A) to the cylinder head.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
(e) Tighten the oil pipe union (on the head cover side).
Torque: 65 N*m (663 kgf*cm, 48 ft.*lbf)
(f) Tighten the oil pipe union (on the cylinder head
side).
Torque: 65 N*m (663 kgf*cm, 48 ft.*lbf)
NOTICE:
If the link that connects the gaskets is broken,
remove the connecting link by using nippers or
similar tools.
65. INSTALL CRANKSHAFT POSITION SENSOR
(a) Install the crankshaft position sensor with the bolt.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
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2GR-FE ENGINE MECHANICAL – ENGINE UNITEM–169
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66. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE
ASSEMBLY
(a) Install the 4 camshaft timing oil control valves with
the 4 bolts.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
67. INSTALL CAMSHAFT POSITION SENSOR
(a) Install the 4 camshaft position sensors with the 4
bolts.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
68. INSTALL VENTILATION VALVE SUB-ASSEMBLY
(a) Apply adhesive around the ventilation valve sub-
assembly.
Adhesive:
Toyota Genuine Adhesive 1324, Three Bond
1324 or equivalent
(b) Install the ventilation valve sub-assembly.
Torque: 27 N*m (275 kgf*cm, 20 ft.*lbf)
69. INSTALL SPARK PLUG
(a) Install the 6 spark plugs.
Torque: 18 N*m (184 kgf*cm, 13 ft.*lbf)
70. INSTALL OIL FILLER CAP SUB-ASSEMBLY
(a) Install a new oil filler gasket.
(b) Install the oil filler cap sub-assembly.
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