TOYOTA SIENNA 2007 Service Repair Manual

SUSPENSION – FRONT LOWER BALL JOINTSP–25
SP
INSTALLATION
1. INSTALL LOWER BALL JOINT ASSEMBLY FRONT
LH
(a) Install the lower ball joint assembly front LH and
tighten the nut.
Torque: 123 N*m (1,250 kgf*cm, 91 ft.*lbf)
(b) Install a new cotter pin.
NOTICE:
If the holes for the cotter pin are not aligned,
tighten the nut further up to 60
.
2. INSTALL FRONT AXLE ASSEMBLY LH
HINT:
(See page AH-4)
3. INSTALL FRONT SUSPENSION ARM SUB-
ASSEMBLY LOWER NO.1 LH
HINT:
(See page AH-4)
4. INSTALL TIE ROD ASSEMBLY LH
HINT:
(See page AH-4)
5. INSTALL FRONT DISC
6. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY
LH
HINT:
(See page AH-4)
7. INSTALL SPEED SENSOR FRONT LH
HINT:
(See page AH-4)
8. INSTALL FRONT AXLE HUB LH NUT
HINT:
(See page AH-4)
9. INSTALL FRONT WHEEL
Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
10. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT
HINT:
(See page SP-4)
11. CHECK ABS SPEED SENSOR SIGNAL
w/o VSC: (See page BC-2).
w/ VSC: (See page BC-68).

SUSPENSION – FRONT STABILIZER BAR (for 4WD)SP–35
SP
REMOVAL
1. REMOVE FRONT WHEELS
2. REMOVE FRONT STABILIZER LINK ASSEMBLY LH
HINT:
(See page SP-26)
3. REMOVE FRONT STABILIZER LINK ASSEMBLY RH
HINT:
Remove the RH side by the same procedures as the LH
side.
4. REMOVE CENTER EXHAUST PIPE ASSEMBLY
HINT:
(See page EX-8)
5. REMOVE NO. 1 FRONT STABILIZER BRACKET LH
(a) Remove the 2 bolts, the front stabilizer bracket No.1
LH and the front stabilizer bracket No.2 LH.
6. REMOVE NO. 1 FRONT STABILIZER BRACKET RH
HINT:
Remove the RH side by the same procedures as the LH
side.
7. SEPARATE TIE ROD ASSEMBLY LH
HINT:
(See page AH-4)
SST 09628-62011
8. SEPARATE TIE ROD ASSEMBLY RH
SST 09628-62011
HINT:
Remove the RH side by the same procedures as the LH
side.
9. SEPARATE PRESSURE FEED TUBE ASSEMBLY
HINT:
(See page PS-21)
SST 09023-12701
10. SEPARATE STEERING INTERMEDIATE SHAFT
ASSEMBLY
HINT:
(See page PS-21)
11. REMOVE RACK & PINION POWER STEERING GEAR
ASSEMBLY
HINT:
(See page PS-21)
12. REMOVE MANIFOLD STAY
HINT:
(See page EM-39)
13. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH
HINT:
(See page EM-37)
14. REMOVE NO. 1 FRONT STABILIZER BAR BUSHING
F044966

SP–36SUSPENSION – FRONT STABILIZER BAR (for 4WD)
SP
15. REMOVE FRONT STABILIZER BAR
INSPECTION
1. INSPECT FRONT STABILIZER LINK ASSEMBLY LH
(a) As shown in the illustration, flip the ball joint stud
back and forth 5 times, before installing the nut.
(b) Using a torque wrench, turn the nut continuously at
a rate of 2 to 4 seconds per 1 turn and take the
torque reading on the 5th turn.
Turning torque:
0.05 to 1.96 N*m (0.5 to 20 kgf*cm, 0.4 to 17.4
in.*lbf)
C066721

SP–26SUSPENSION – FRONT STABILIZER BAR (for 2WD)
SP
SUSPENSION & AXLE
SUSPENSION
FRONT STABILIZER BAR (for 2WD)
COMPONENTS
C119368E02

SUSPENSION – FRONT STABILIZER BAR (for 2WD)SP–27
SP
C119313E01

SP–28SUSPENSION – FRONT STABILIZER BAR (for 2WD)
SP
REMOVAL
1. REMOVE FRONT WHEELS
2. REMOVE FRONT STABILIZER LINK ASSEMBLY LH
(a) Remove the 2 nuts and front stabilizer link assembly
LH.
HINT:
If the ball joint turns together with the nut, use a
hexagon (6 mm) wrench to hold the stud.
3. REMOVE FRONT STABILIZER LINK ASSEMBLY RH
HINT:
Remove the RH side by the same procedures as the LH
side.
4. REMOVE FRONT STABILIZER BRACKET NO.1 LH
(a) Remove the 2 bolts and the front stabilizer bracket
No.1 LH.
5. REMOVE FRONT STABILIZER BRACKET NO.1 RH
HINT:
Remove the RH side by the same procedures as the LH
side.
6. SEPARATE TIE ROD ASSEMBLY LH
HINT:
(See page AH-4)
SST 09628-62011
7. SEPARATE TIE ROD ASSEMBLY RH
SST 09628-62011
HINT:
Separate the RH side by the same procedures as the LH
side.
8. DISCONNECT PRESSURE FEED TUBE ASSEMBLY
HINT:
(See page PS-21)
SST 09023-12701
9. SEPARATE STEERING INTERMEDIATE SHAFT
ASSEMBLY
HINT:
(See page PS-21)
10. REMOVE RACK & PINION POWER STEERING GEAR
ASSEMBLY
HINT:
(See page PS-21)
11. REMOVE FRONT STABILIZER BAR BUSH NO.1
12. REMOVE STABILIZER BAR FRONT
F045195
F044993

SUSPENSION – FRONT STABILIZER BAR (for 2WD)SP–29
SP
INSPECTION
1. INSPECT FRONT STABILIZER LINK ASSEMBLY LH
(a) As shown in the illustration, flip the ball joint stud
back and forth 5 times, before installing the nut.
(b) Using a torque wrench, turn the nut continuously at
a rate of 2 to 4 seconds per 1 turn and take the
torque reading on the 5th turn.
Turning torque:
0.05 to 1.96 N*m (0.5 to 20kgf*cm, 0.4 to 17.4
in.*lbf)
C066721

SUSPENSION – FRONT STABILIZER BAR (for 4WD)SP–37
SP
INSTALLATION
1. INSTALL FRONT STABILIZER BAR
2. INSTALL NO. 1 FRONT STABILIZER BAR BUSHING
(a) Install the 2 front stabilizer bar bush No.1 to the
stabilizer bar front.
NOTICE:
Install the bushings with the slit facing on the
rear side of the vehicle.
HINT:
Install the bushing to the outer side of the bushing
stopper on the stabilizer bar as shown in the
illustration.
3. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY RH
HINT:
(See page EM-48)
4. INSTALL MANIFOLD STAY
HINT:
(See page EM-51)
5. INSTALL STEERING INTERMEDIATE SHAFT
ASSEMBLY
HINT:
(See page PS-21)
6. INSTALL RACK & PINION POWER STEERING GEAR
ASSEMBLY
HINT:
(See page PS-21)
7. CONNECT PRESSURE FEED TUBE ASSEMBLY
HINT:
(See page PS-21)
SST 09023-12701
8. INSTALL TIE ROD ASSEMBLY LH
HINT:
(See page AH-4)
9. INSTALL TIE ROD ASSEMBLY RH
HINT:
Remove the RH side by the same procedures as the LH
side.
10. INSTALL NO. 1 FRONT STABILIZER BRACKET LH
(a) Install the front stabilizer bracket No.1 LH with the 2
bolts.
Torque: 17 N*m (173 kgf*cm, 12 ft.*lbf)
11. INSTALL NO. 1 FRONT STABILIZER BRACKET RH
HINT:
Install the RH side by the same procedures as the LH
side.
12. INSTALL CENTER EXHAUST PIPE ASSEMBLY
HINT:
(See page EX-10)
F044967E01
F044966

SP–38SUSPENSION – FRONT STABILIZER BAR (for 4WD)
SP
13. INSTALL FRONT STABILIZER LINK ASSEMBLY LH
HINT:
(See page AH-4)
14. INSTALL FRONT STABILIZER LINK ASSEMBLY RH
HINT:
Install the RH side by the same procedures as the LH
side.
15. INSTALL FRONT WHEELS
16. INSPECT CENTER FRONT WHEEL
17. INSPECT STEERING WHEEL CENTER POINT
18. ADD POWER STEERING FLUID
19. BLEED POWER STEERING FLUID
HINT:
(See page PS-6)
20. CHECK POWER STEERING FLUID LEAKAGE
21. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT
HINT:
(See page SP-4)

SUSPENSION – FRONT STABILIZER BAR (for 4WD)SP–35
SP
REMOVAL
1. REMOVE FRONT WHEELS
2. REMOVE FRONT STABILIZER LINK ASSEMBLY LH
HINT:
(See page SP-26)
3. REMOVE FRONT STABILIZER LINK ASSEMBLY RH
HINT:
Remove the RH side by the same procedures as the LH
side.
4. REMOVE CENTER EXHAUST PIPE ASSEMBLY
HINT:
(See page EX-8)
5. REMOVE NO. 1 FRONT STABILIZER BRACKET LH
(a) Remove the 2 bolts, the front stabilizer bracket No.1
LH and the front stabilizer bracket No.2 LH.
6. REMOVE NO. 1 FRONT STABILIZER BRACKET RH
HINT:
Remove the RH side by the same procedures as the LH
side.
7. SEPARATE TIE ROD ASSEMBLY LH
HINT:
(See page AH-4)
SST 09628-62011
8. SEPARATE TIE ROD ASSEMBLY RH
SST 09628-62011
HINT:
Remove the RH side by the same procedures as the LH
side.
9. SEPARATE PRESSURE FEED TUBE ASSEMBLY
HINT:
(See page PS-21)
SST 09023-12701
10. SEPARATE STEERING INTERMEDIATE SHAFT
ASSEMBLY
HINT:
(See page PS-21)
11. REMOVE RACK & PINION POWER STEERING GEAR
ASSEMBLY
HINT:
(See page PS-21)
12. REMOVE MANIFOLD STAY
HINT:
(See page EM-39)
13. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH
HINT:
(See page EM-37)
14. REMOVE NO. 1 FRONT STABILIZER BAR BUSHING
F044966