sensor TOYOTA SIENNA 2007 Service Repair Manual

DS–20DRIVE SHAFT – FRONT DRIVE SHAFT
DS
9. INSTALL FRONT AXLE HUB LH NUT
(a) Using a socket wrench (30 mm), install a new axle
hub LH nut.
Torque: 294 N*m (3,000 kgf*cm, 217 ft.*lbf)
(b) Using a chisel and hammer, stake the axle hub LH
nut.
10. INSTALL FRONT WHEEL
Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
11. ADD AUTOMATIC TRANSAXLE FLUID
HINT:
• for U151E: (See page AX-123)
• for U151F: (See page AX-123)
12. ADD TRANSFER OIL (for 4WD)
HINT:
(See page TF-3)
13. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT
HINT:
(See page SP-4)
14. CHECK ABS SPEED SENSOR SIGNAL
HINT:
• for ANTI-LOCK BRAKE SYSTEM: (See page BC-3)
• for VEHICLE STABILITY CONTROL SYSTEM: (See
page BC-72)
C068609

DS–22DRIVE SHAFT – REAR DRIVE SHAFT (for 4WD)
DS
REMOVAL
1. REMOVE REAR WHEEL
2. REMOVE TAIL EXHAUST PIPE ASSEMBLY (See page
EX-8)
3. SEPARATE REAR SPEED SENSOR
(a) Remove the bolt and the speed sensor from the
axle carrier.
NOTICE:
• Be careful not to damage the speed sensor.
• Prevent foreign matter from adhering to the
speed sensor.
4. REMOVE REAR AXLE SHAFT NUT
(a) Using SST and a hammer, unstake part of the axle
shaft 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 apply the brakes, remove the axle shaft nut.
5. REMOVE REAR DRIVE SHAFT ASSEMBLY LH
(a) Place matchmarks on the drive shaft and differential
side gear shaft.
(b) Remove the 4 nuts and washers, and disconnect
the drive shaft from the differential side gear shaft.
(c) Remove the drive shaft from the axle carrier.
6. SECURE REAR AXLE ASSEMBLY
NOTICE:
• After disconnecting the drive shaft from the axle
hub, work carefully so as not to damage the ABS
speed sensor rotor serration on the drive shaft.
• The hub bearing could be damaged if it is
subjected to the vehicle weight, such as when
moving the vehicle with the drive shaft removed.
Therefore, if it is absolutely necessary to place
the vehicle weight on the hub bearing, first
support it with SST.
SST 09608-16042 (09608-02021, 09608-02041)
F045049E02
C097746E01
C066030E01

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.
F040146E09
F040136
C083022
F040147

DS–6DRIVE SHAFT – FRONT DRIVE SHAFT
DS
7. SEPARATE TIE ROD END SUB-ASSEMBLY LH
(a) Remove the cotter pin and nut.
(b) Using SST, separate the tie rod end from the
steering knuckle.
SST 09628-62011
8. SEPARATE NO. 1 FRONT SUSPENSION ARM SUB-
ASSEMBLY LOWER LH
(a) Remove the bolt and 2 nuts, and separate the No. 1
front suspension arm sub-assembly lower from the
lower ball joint.
9. SEPARATE FRONT AXLE ASSEMBLY LH
(a) Using a plastic hammer, separate the drive shaft
from the axle hub.
NOTICE:
Be careful not to damage the boot and speed
sensor rotor.
10. REMOVE FRONT DRIVE SHAFT ASSEMBLY LH
(a) Using SST, remove the front drive shaft assembly
LH.
SST 09520-01010, 09520-24010 (09520-32040)
NOTICE:
• Be careful not to damage the transaxle case
oil seal, inboard joint boot and drive shaft
dust cover.
• Be careful not to drop the drive shaft
assembly.
11. REMOVE FRONT DRIVE SHAFT ASSEMBLY RH (for
2WD)
(a) Using a screwdriver, remove the bearing brake hole
snap ring.
(b) Remove the bolt and front drive shaft assembly RH
from the drive shaft bearing bracket.
F045060E06
F040142
D027403E03
F040148E05
C080304

DS–18DRIVE SHAFT – FRONT DRIVE SHAFT
DS
INSTALLATION
1. INSTALL FRONT DRIVE SHAFT ASSEMBLY LH
(a) Coat the spline of the inboard joint shaft assembly
with ATF.
(b) Align the shaft splines and install the drive shaft
assembly with a brass bar and hammer.
NOTICE:
• Set the snap ring with the opening side facing
down.
• Be careful not to damage the drive shaft dust
cover, boot and oil seal.
• Move the drive shaft assembly while keeping
it level.
2. INSTALL FRONT DRIVE SHAFT ASSEMBLY RH (for
2WD)
(a) Using a screwdriver, install a new bearing bracket
hole snap ring.
NOTICE:
Do not damage the oil seal and boot.
(b) Install the bolt.
Torque: 32 N*m (330 kgf*cm, 24 ft.*lbf)
3. INSTALL FRONT DRIVE SHAFT ASSEMBLY RH (for
4WD)
HINT:
Install the RH side using the same procedures as for the
LH side.
NOTICE:
• Set the snap ring with the opening side facing
downward.
• Be careful not to damage the transaxle case oil
seal, inboard joint boot and drive shaft dust cover.
4. INSTALL FRONT AXLE ASSEMBLY LH
(a) Install the drive shaft assembly LH to the front axle
assembly LH.
NOTICE:
• Be careful not to damage the outboard joint
boot.
• Be careful not to damage the speed sensor
rotor.
C083851
C080304
F047689E06

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.
F040142
F040147
C083022
F040136

DS–20DRIVE SHAFT – FRONT DRIVE SHAFT
DS
9. INSTALL FRONT AXLE HUB LH NUT
(a) Using a socket wrench (30 mm), install a new axle
hub LH nut.
Torque: 294 N*m (3,000 kgf*cm, 217 ft.*lbf)
(b) Using a chisel and hammer, stake the axle hub LH
nut.
10. INSTALL FRONT WHEEL
Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
11. ADD AUTOMATIC TRANSAXLE FLUID
HINT:
• for U151E: (See page AX-123)
• for U151F: (See page AX-123)
12. ADD TRANSFER OIL (for 4WD)
HINT:
(See page TF-3)
13. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT
HINT:
(See page SP-4)
14. CHECK ABS SPEED SENSOR SIGNAL
HINT:
• for ANTI-LOCK BRAKE SYSTEM: (See page BC-3)
• for VEHICLE STABILITY CONTROL SYSTEM: (See
page BC-72)
C068609

DRIVE SHAFT – REAR DRIVE SHAFT (for 4WD)DS–27
DS
INSTALLATION
1. INSTALL REAR DRIVE SHAFT ASSEMBLY LH
(a) Install the drive shaft to the axle carrier.
NOTICE:
Be careful not to damage the boot and ABS
speed sensor rotor to the drive shaft and oil seal
of the axle hub bearing.
(b) Align the matchmarks and connect the drive shaft to
the side gear shaft.
NOTICE:
Be careful not to damage the boots and end
cover.
(c) Install the drive shaft with the 4 nuts and washers.
Torque: 56 N*m (571 kgf*cm, 41 ft.*lbf)
2. INSTALL REAR AXLE SHAFT NUT
(a) Install a new axle shaft nut.
Torque: 216 N*m (2,200 kgf*cm, 159 ft.*lbf)
(b) Using a chisel and hammer, stake the axle shaft nut.
3. INSTALL TAIL EXHAUST PIPE ASSEMBLY (See page
EX-12)
4. INSTALL REAR SPEED SENSOR
(a) Install the speed sensor with the bolt.
Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf)
HINT:
• 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
sensor.
5. INSTALL REAR WHEEL
Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
6. CHECK FOR EXHAUST GAS LEAK
7. CHECK ABS SPEED SENSOR SIGNAL
HINT:
• for ANTI-LOCK BRAKE SYSTEM: (See page BC-3)
• for VEHICLE STABILITY CONTROL SYSTEM: (See
page BC-72)
C097746E01
C089301

DS–22DRIVE SHAFT – REAR DRIVE SHAFT (for 4WD)
DS
REMOVAL
1. REMOVE REAR WHEEL
2. REMOVE TAIL EXHAUST PIPE ASSEMBLY (See page
EX-8)
3. SEPARATE REAR SPEED SENSOR
(a) Remove the bolt and the speed sensor from the
axle carrier.
NOTICE:
• Be careful not to damage the speed sensor.
• Prevent foreign matter from adhering to the
speed sensor.
4. REMOVE REAR AXLE SHAFT NUT
(a) Using SST and a hammer, unstake part of the axle
shaft 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 apply the brakes, remove the axle shaft nut.
5. REMOVE REAR DRIVE SHAFT ASSEMBLY LH
(a) Place matchmarks on the drive shaft and differential
side gear shaft.
(b) Remove the 4 nuts and washers, and disconnect
the drive shaft from the differential side gear shaft.
(c) Remove the drive shaft from the axle carrier.
6. SECURE REAR AXLE ASSEMBLY
NOTICE:
• After disconnecting the drive shaft from the axle
hub, work carefully so as not to damage the ABS
speed sensor rotor serration on the drive shaft.
• The hub bearing could be damaged if it is
subjected to the vehicle weight, such as when
moving the vehicle with the drive shaft removed.
Therefore, if it is absolutely necessary to place
the vehicle weight on the hub bearing, first
support it with SST.
SST 09608-16042 (09608-02021, 09608-02041)
F045049E02
C097746E01
C066030E01

DRIVE SHAFT – REAR DRIVE SHAFT (for 4WD)DS–27
DS
INSTALLATION
1. INSTALL REAR DRIVE SHAFT ASSEMBLY LH
(a) Install the drive shaft to the axle carrier.
NOTICE:
Be careful not to damage the boot and ABS
speed sensor rotor to the drive shaft and oil seal
of the axle hub bearing.
(b) Align the matchmarks and connect the drive shaft to
the side gear shaft.
NOTICE:
Be careful not to damage the boots and end
cover.
(c) Install the drive shaft with the 4 nuts and washers.
Torque: 56 N*m (571 kgf*cm, 41 ft.*lbf)
2. INSTALL REAR AXLE SHAFT NUT
(a) Install a new axle shaft nut.
Torque: 216 N*m (2,200 kgf*cm, 159 ft.*lbf)
(b) Using a chisel and hammer, stake the axle shaft nut.
3. INSTALL TAIL EXHAUST PIPE ASSEMBLY (See page
EX-12)
4. INSTALL REAR SPEED SENSOR
(a) Install the speed sensor with the bolt.
Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf)
HINT:
• 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
sensor.
5. INSTALL REAR WHEEL
Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
6. CHECK FOR EXHAUST GAS LEAK
7. CHECK ABS SPEED SENSOR SIGNAL
HINT:
• for ANTI-LOCK BRAKE SYSTEM: (See page BC-3)
• for VEHICLE STABILITY CONTROL SYSTEM: (See
page BC-72)
C097746E01
C089301