2007 TOYOTA SIENNA Steering

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–522GR-FE ENGINE MECHANICAL – ENGINE ASSEMBLY
EM
(c) Install the engine mounting insulator RR with the 2
bolts.
Torque: 78 N*m (795 kgf*cm, 58 ft.*lbf)
(d) Connect the connector and clamp.
40. INSTALL POWER STEERING LINK (See page PS-39)
41. INSTALL FRONT STABILIZER BAR
HINT:
(See page SP-36).
42. REMOVE ENGINE HANGERS
(a) Remove the 4 bolts and 2 engine hangers.
43. INSTALL VANE PUMP ASSEMBLY
(a) Install the vane pump with the 2 bolts and nut.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)
(b) Install the 2 pressure feed tube clamp nuts.
Torque: 7.8 N*m (80 kgf*cm, 69 in.*lbf)
(c) Connect the power steering oil pressure switch
connector.
44. INSTALL ENGINE ASSEMBLY WITH TRANSAXLE
(a) Set the engine assembly with transaxle on the
engine lifter.
(b) Install the engine assembly to the vehicle.
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2GR-FE ENGINE MECHANICAL – ENGINE ASSEMBLYEM–53
EM
(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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EM–622GR-FE ENGINE MECHANICAL – ENGINE ASSEMBLY
EM
96. INSTALL FRONT WIPER ARM HEAD CAP
(a) Install the front wiper arm head caps.
97. INSTALL FRONT WHEELS
Torque: 103 N*m (1050 kgf*cm, 76 ft.*lbf)
98. ADD ENGINE OIL (See page LU-6)
99. ADD ENGINE COOLANT (See page CO-7)
100. ADD AUTOMATIC TRANSAXLE FLUID
101. CHECK AUTOMATIC TRANSAXLE FLUID (See page
AX-123)
102. ADD POWER STEERING FLUID
103. BLEED POWER STEERING FLUID (See page PS-6)
104. INSPECT FOR FUEL LEAK (See page FU-7)
105. INSPECT FOR ENGINE OIL LEAK
106. INSPECT FOR ENGINE COOLANT LEAK (See page
CO-1)
107. INSPECT FOR EXHAUST GAS LEAK
108. CHECK SHIFT LEVER POSITION (See page AX-127)
109. CHECK AND ADJUST FRONT WHEEL ALIGNMENT
HINT:
(See page SP-4).
110. CHECK IGNITION TIMING (See page EM-1)
111. CHECK ENGINE IDLE SPEED (See page EM-2)
112. CHECK CO/HC (See page EM-4)
113. CHECK FUNCTION OF THROTTLE BODY
ASSEMBLY (See page ES-493)
114. INSTALL FRONT FENDER APRON SEAL RH
(a) Install the front fender apron seal RH with the 2
bolts and clip.
115. INSTALL FRONT FENDER APRON SEAL LH
(a) Install the front fender apron seal LH with the 2 bolts
and clip.
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ST–162GR-FE STARTING – IGNITION SWITCH
ST
REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
2. REMOVE STEERING COLUMN COVER LOWER
(a) Insert the key into the ignition key cylinder and
release the steering lock.
(b) Turn the steering wheel clockwise to gain access to
the screw and remove the screw.
(c) Turn the steering wheel counterclockwise to gain
access to the screw and remove the screw.
(d) Detach the 4 claws, and remove the steering
column cover lower.
3. REMOVE IGNITION SWITCH ASSEMBLY
(a) Disconnect the ignition switch connector.
(b) Remove the 2 screws and ignition switch.
INSPECTION
1. INSPECT IGNITION SWITCH ASSEMBLY
(a) Measure the resistance of the switch.
Standard resistance
If the result is not as specified, replace the switch
assembly.
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Tester Connection Switch Condition Specified Condition
-LOCK10 k
or higher
1 (AM1) - 3 (ACC) ACC Below 1
1 (AM1) - 3 (ACC)
3 (ACC) - 2 (IG1)
1 (AM1) - 2 (IG1)
5 (AM2) - 6 (IG2)ON Below 1
1 (AM1) - 2 (IG1)
5 (AM2) - 6 (IG2)
6 (IG2) - 4 (ST2)
5 (AM2) - 4 (ST2)START Below 1

2GR-FE STARTING – IGNITION SWITCHST–17
ST
INSTALLATION
1. INSTALL IGNITION SWITCH ASSEMBLY
(a) Install the ignition switch with the 2 screws.
(b) Install the ignition switch connector.
2. INSTALL STEERING COLUMN COVER LOWER
(a) Attach the 4 claws to install the steering column
cover lower.
(b) Insert the key into the ignition key cylinder and
release the steering lock.
(c) Turn the steering wheel counterclockwise and install
the screw.
(d) Turn the steering wheel clockwise and install the
screw.
3. CONNECT CABLE TO NEGATIVE BATTERY
TERMINAL
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DRIVE SHAFT – FRONT DRIVE SHAFTDS–19
DS
5. INSTALL NO. 1 FRONT SUSPENSION ARM SUB-
ASSEMBLY LOWER LH
(a) Install the lower ball joint to the front suspension
arm sub-assembly lower with the bolt and nuts.
Torque: 127 N*m (1,300 kgf*cm, 94 ft.*lbf)
6. INSTALL TIE ROD END SUB-ASSEMBLY LH
(a) Install the tie rod end to the steering knuckle with
the nut.
Torque: 49 N*m (500 kgf*cm, 36 ft.*lbf)
(b) Install a new cotter pin.
NOTICE:
If the holes for the cotter pin are not aligned,
tighten the nut up to 60
further.
7. INSTALL SPEED SENSOR FRONT LH
(a) Install the speed sensor to the steering knuckle with
the bolt.
Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf)
NOTICE:
Prevent foreign matter from adhering to the
speed sensor.
(b) Install the flexible hose and the speed sensor to the
shock absorber with the bolt and set the clip of
sensor on knuckle.
Torque: 19 N*m (192 kgf*cm, 14 ft.*lbf)
NOTICE:
• Be careful not to damage the speed sensor.
• Prevent foreign matter from adhering to the
speed sensor.
• Do not twist the sensor wire when installing
the speed sensor.
8. INSTALL FRONT STABILIZER LINK ASSEMBLY LH
(a) Install the stabilizer link assembly LH with the nut.
Torque: 74 N*m (755 kgf*cm, 55 ft.*lbf)
HINT:
If the ball joint turns together with nut. use a
hexagon (6 mm) wrench to hold the stud.
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DRIVE SHAFT – FRONT DRIVE SHAFTDS–5
DS
REMOVAL
1. DRAIN AUTOMATIC TRANSAXLE FLUID
(a) Remove the drain plug, gasket and drain ATF.
(b) Install a new gasket and the drain plug.
Torque: 49 N*m (500 kgf*cm, 36 ft.*lbf)
2. DRAIN TRANSFER OIL (for 4WD)
HINT:
(See page TF-8)
3. REMOVE FRONT WHEEL
4. REMOVE FRONT AXLE HUB LH NUT
(a) Using SST and a hammer, unstake the staked part
of the axle hub LH nut.
SST 09930-00010
NOTICE:
Loosen the staked part of the nut completely,
otherwise the screw of the drive shaft may be
damaged.
(b) While applying the brakes, remove the lock axle hub
LH nut.
5. SEPARATE FRONT STABILIZER LINK ASSEMBLY LH
(a) Remove the nut, and separate the stabilizer link
assembly LH.
HINT:
If the ball joint turns together with the nut, use a
hexagon wrench (6 mm) to hold the stud.
6. SEPARATE SPEED SENSOR FRONT LH
(a) Remove the bolt and clip, and separate the sensor
wire and hose from the shock absorber.
NOTICE:
Be careful not to damage the speed sensor.
(b) Remove the bolt, and separate the speed sensor
from LH from the steering knuckle.
NOTICE:
Prevent foreign matter from adhering to the
speed sensor.
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