TOYOTA SIENNA 2007 Service Repair Manual

DS–16DRIVE SHAFT – FRONT DRIVE SHAFT
DS
(2) Tighten the SST so that the No. 2 front axle
inboard joint boot LH clamp is pinched.
SST 09521-24010
NOTICE:
Do not overtighten the SST.
(3) Using SST, measure the clearance of the No. 2
front axle inboard joint boot LH clamp.
SST 09240-00020
Clearance:
0.8 mm (0.031 in.) or less
NOTICE:
When the measured value is greater than
the specified value, retighten the clamp.
(d) for claw engagement type:
(1) Using needle nose pliers, install the No. 2 front
axle inboard joint boot clamp as shown in the
illustration.
16. INSTALL FRONT AXLE INBOARD JOINT BOOT LH
CLAMP
(a) Install the front axle inboard joint boot LH clamp
perform the same procedures as for the No. 2 front
axle inboard joint boot LH clamp.
17. INSPECT FRONT DRIVE SHAFT ASSEMBLY
(a) Check that there is no excessive play in the
outboard joint.
(b) Check that the inboard joint slides smoothly in the
thrust direction.
(c) Check that there is no excessive play in the radial
directions of the inboard joint.
C108292E03
C086270E05
C160031E01
C091598

DRIVE SHAFT – FRONT DRIVE SHAFTDS–17
DS
(d) Check the boots for damage.
HINT:
For dimension (A), refer to the following table.
F045048E04
DRIVE TYPE LH mm (in.) RH mm (in.)
2WD638.40 +- 5.0 (25.1338 +-
0.20)957.00 +- 5.0 (37.6771 +-
0.20)
4WD553.64 +- 5.0 (21.7968 +-
0.20)992.24 +- 5.0 (39.0645 +-
0.20)

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–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.
C068602
F045462E01
F045464E01
F045463
C066029

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–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