TOYOTA SIENNA 2007 Service Repair Manual

PROPELLER SHAFT – PROPELLER SHAFT ASSEMBLY (for 4WD)PR–11
PR
(5) Using SST(s), measure the installation angle of
the rear propeller shaft (C) and rear differential
(D).
SST 09370-50010
No. 2 joint angle:
C minus D = -1.6
to -3.6
If the measured angle is not within the
specification, adjust with the center support
bearing adjusting shim.
Center support bearing adjusting shim
thickness
(g) Install the transfer dynamic damper.
Torque: 26 N*m (260 kgf*cm, 19 ft.*lbf)
3. INSTALL EXHAUST PIPE ASSEMBLY
(a) Install exhaust pipe assembly (See page EX-10).
F040924E03
Thickness mm (in.) Thickness mm (in.)
3.2 (0.126) 4.5 (0.177)
6.5 (0.256) 9.0 (0.354)

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.
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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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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)
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DRIVE SHAFT – REAR DRIVE SHAFT (for 4WD)DS–23
DS
DISASSEMBLY
1. SEPARATE REAR DRIVE SHAFT INBOARD JOINT
BOOT CLAMP
(a) Using a screwdriver, remove the 2 rear drive shaft
inboard joint boot clamps as shown in the
illustration.
2. SEPARATE REAR DRIVE SHAFT INBOARD JOINT
BOOT
(a) Separate the rear drive shaft inboard joint boot from
the inboard joint assembly.
3. REMOVE REAR DRIVE SHAFT INBOARD JOINT
ASSEMBLY
(a) Put matchmarks on the inboard joint assembly and
outboard joint shaft.
NOTICE:
Do not use a punch for the marks.
(b) Pull out the inboard joint assembly.
NOTICE:
Be careful not to drop the balls.
(c) Place matchmarks on the outboard joint shaft, inner
race and cage.
NOTICE:
Do not punch the marks.
(d) Remove the 6 bolts.
(e) Slide the cage toward outboard joint.
(f) Using a snap ring expander, remove the snap ring.
(g) Using a brass bar and hammer, remove the inner
race.
(h) Remove the cage.
(i) Remove the inboard joint boot, inboard joint boot
clamp and inboard joint boot No. 2 clamp.
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DS–24DRIVE SHAFT – REAR DRIVE SHAFT (for 4WD)
DS
4. REMOVE REAR DRIVE SHAFT OUTBOARD JOINT
BOOT CLAMP
(a) Using pliers, remove the 2 rear drive shaft outboard
joint boot clamps as shown in the illustration.
5. REMOVE REAR DRIVE SHAFT OUTBOARD JOINT
BOOT
(a) Remove the outboard joint boot from the outboard
joint shaft.
(b) Remove the old grease from the outboard joint.
NOTICE:
Do not disassemble the outboard joint.
INSPECTION
1. INSPECT REAR DRIVE SHAFT ASSEMBLY LH
(a) Check that there is no remarkable play in the radial
direction of the outboard joint.
(b) Check that the inboard joint slides smoothly in the
thrust direction.
(c) Check that there is no remarkable play in the radial
direction of the inboard joint.
(d) Check the boots for damage.
(e) Make sure that the 2 boots are not stretched or
contracted when the drive shaft is at standard
length.
Standard length:
704.8 +- 5.0 mm (27.748 +- 0.20 in.)
G020982
Z012871
Z013445E01

DRIVE SHAFT – REAR DRIVE SHAFT (for 4WD)DS–25
DS
REASSEMBLY
1. INSTALL REAR DRIVE SHAFT OUTBOARD JOINT
BOOT
HINT:
Before install the boot, wrap the spline of the outboard
joint shaft with vinyl tape to prevent the boot from
bearing damaged.
(a) Install new outboard joint boot, 2 outboard joint boot
clamps, 2 inboard joint boot clamps and inboard
joint boot.
(b) Make sure that the 2 boots are on the shaft groove.
2. INSTALL REAR DRIVE SHAFT OUTBOARD JOINT
BOOT CLAMP
(a) Hold the drive shaft lightly in a soft vise.
(b) Install the 2 outboard joint boot clamps to the boot.
HINT:
Before install the clamps, pack the outboard joint
and boot with grease in the boot kit.
Grease capacity:
90 to 110 g (3.2 to 3.9 oz.)
(c) Place SST onto the 2 outboard joint boot clamps.
SST 09521-24010
(d) Tighten the SST so that the 2 outboard joint boot
clamps is pinched.
NOTICE:
Do not overtighten the SST.
(e) Using a SST, measure the clearance of the 2
outboard joint boot clamps.
SST 09240-00020
Clearance:
1.2 to 4.0 mm (0.047 to 0.157 in.)
NOTICE:
When the measured value is greater than the
specified value, retighten the clamp.
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DS–26DRIVE SHAFT – REAR DRIVE SHAFT (for 4WD)
DS
3. INSTALL REAR DRIVE SHAFT INBOARD JOINT
ASSEMBLY
(a) Through a new inboard joint boot, 2 new inboard
joint clamps and cage.
(b) Align the matchmarks, using a brass bar and a
hammer, install the inner race.
(c) Using a snap ring expander, install a new rear drive
shaft snap ring.
(d) Align the matchmarks, install the cage to the inner
race.
(e) Install the 6 balls with grease to the inner race.
(f) Pack the inboard joint shaft and boot with grease in
the boot kit.
Grease capacity:
130 to 150 g (4.6 to 5.3 oz.)
(g) Align the matchmarks, install the inboard joint
assembly to the outboard joint shaft assembly.
(h) Install the clip.
4. INSTALL REAR DRIVE SHAFT INBOARD JOIN BOOT
(a) Install the inboard joint boot to the rear drive shaft
inboard joint.
5. INSTALL REAR DRIVE SHAFT INBOARD JOINT
BOOT CLAMP
(a) Using a screwdriver, install the No. 2 rear drive shaft
inboard joint boot clamp.
(b) Install the inboard joint boot clamp by the same
procedures as the No. 2 rear drive shaft inboard
joint boot clamp.
D027471
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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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