TOYOTA SIENNA 2007 Service Repair Manual

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

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 – REAR COIL SPRINGSP–41
SP
REMOVAL
1. REMOVE REAR WHEEL
2. REMOVE SKID CONTROL SENSOR WIRE (for 2WD)
(a) Disconnect the skid control sensor connector.
(b) Remove the bolt and disconnect the bracket from
the rear axle beam assembly.
HINT:
Separate the RH side by the same procedures as
the LH side.
3. SEPARATE SPEED SENSOR REAR LH (for 4WD)
(a) Remove the bolt and speed sensor rear LH.
4. SEPARATE SPEED SENSOR REAR RH (for 4WD)
HINT:
Separate the RH side by the same procedures as the LH
side.
5. REMOVE EXHAUST PIPE ASSEMBLY TAIL
HINT:
• 2WD DRIVE TYPE (See page EX-2)
• 4WD DRIVE TYPE (See page EX-8)
6. REMOVE PROPELLER W/CENTER BEARING SHAFT
ASSEMBLY (for 4WD)
HINT:
(See page PR-2)
7. SEPARATE REAR DRIVE SHAFT ASSEMBLY LH (for
4WD)
(a) Place matchmarks on the rear drive shaft assembly
LH and differential flange.
(b) Remove the 4 nuts and 4 washers, separate rear
drive shaft assembly LH.
8. SEPARATE REAR DRIVE SHAFT ASSEMBLY RH (for
4WD)
HINT:
Separate the RH side by the same procedures as the LH
side.
9. REMOVE DIFFERENTIAL CARRIER ASSEMBLY
REAR (for 4WD)
HINT:
(See page DF-8)
G023899
G023898
G023905E01

SP–42SUSPENSION – REAR COIL SPRING
SP
10. SEPARATE PARKING BRAKE CABLE ASSEMBLY
NO.3
(a) Remove the 2 bolts and parking brake cable
assembly No.3.
11. SEPARATE PARKING BRAKE CABLE ASSEMBLY
NO.2
HINT:
Separate the RH side by the same procedures as the LH
side.
12. SEPARATE REAR BRAKE TUBE NO.2
(a) Using SST, separate the brake tube from the flexible
hose. Catch the brake fluid with a container as it
drains out.
SST 09023-00101
(b) Remove the clip, and separate the flexible hose.
(c) Remove the bolt and separate the brake tube from
rear axle beam assembly.
13. SEPARATE REAR BRAKE TUBE NO.1
SST 09023-00101
HINT:
Separate the RH side by the same procedures as the LH
side.
14. REMOVE FUEL TANK FILLER HOSE COVER
(a) Remove the 2 bolts, 3 screws, 3 nuts and fuel tank
filler pipe protector.
G023904
G025779E01
G025780
C088688

SUSPENSION – REAR COIL SPRINGSP–43
SP
(b) Remove the 3 bolts and fuel tank filler hose cover.
15. REMOVE REAR FLOOR NO.2 CROSSMEMBER
BRACE LH
(a) Remove the 2 bolts and floor No.2 crossmember
brace.
16. REMOVE REAR FLOOR NO.2 CROSSMEMBER
BRACE RH
HINT:
Remove the RH side by the same procedures as the LH
side.
17. LOOSEN REAR AXLE BEAM ASSEMBLY
(a) Refer to hint below.
HINT:
Loosen the RH side by the same procedures as the
LH side.
NOTICE:
• When loosening the bolt, hold the nut not to
rotate.
• Do not remove the bolt and nut.
18. SEPARATE SHOCK ABSORBER ASSEMBLY REAR
LH
(a) Support the rear axle beam assembly with a jack.
(b) Remove the bolt and separate the shock absorber
assembly rear LH.
19. SEPARATE SHOCK ABSORBER ASSEMBLY REAR
RH
HINT:
Separate the RH side by the same procedures as the LH
side.
20. REMOVE COIL SPRING REAR LH
(a) Apply a shop rug between the coil spring rear LH
and rear axle beam assembly.
G025783
C088670
C088671
C088693

SP–44SUSPENSION – REAR COIL SPRING
SP
(b) Apply a shop rug between the coil spring rear RH
and rear axle beam assembly.
(c) Remove the coil spring LH by slowly lowering the
jack.
21. REMOVE REAR COIL SPRING INSULATOR UPPER
LH
(a) Remove the rear coil spring insulator upper LH from
the coil spring rear LH.
INSTALLATION
1. INSTALL REAR COIL SPRING INSULATOR UPPER
LH
(a) Install the insulator upper LH to the coil spring rear
LH.
2. INSTALL COIL SPRING REAR LH
(a) Apply a shop rug to the rear axle beam assembly.
C088694
G024682
G024699E01
C088694

SUSPENSION – REAR COIL SPRINGSP–45
SP
(b) Install the coil spring rear LH to the rear axle beam
assembly.
HINT:
Fit the lower end of the coil spring into the gap of the
spring lower seat.
(c) Apply a shop rug to the rear axle beam assembly.
3. CONNECT SHOCK ABSORBER ASSEMBLY REAR
LH
(a) While raising the jack, connect the shock absorber
assembly rear LH to the rear axle beam assembly.
(b) Temporarily tighten the nut.
4. CONNECT SHOCK ABSORBER ASSEMBLY REAR
RH
HINT:
Connect the RH side by the same procedures as the LH
side.
5. CONNECT REAR BRAKE TUBE NO.2
(a) Install the flexible hose and clip.
(b) Using SST, connect the brake tube to the flexible
hose.
Torque: 15 N*m (153 kgf*cm, 11 ft.*lbf)
SST 09023-00101
G025781E01
C088693
C088671
G025780
G025779E01

SP–46SUSPENSION – REAR COIL SPRING
SP
(c) Install the bolt.
Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf)
6. CONNECT REAR BRAKE TUBE NO.1
SST 09023-00101
HINT:
Connect the RH side by the same procedures as the LH
side.
7. INSTALL PARKING BRAKE CABLE ASSEMBLY NO.3
(a) Install the 2 bolts and parking brake cable assembly
No.3 to the rear axle beam assembly.
Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf)
8. INSTALL PARKING BRAKE CABLE ASSEMBLY NO.2
HINT:
Install the RH side by same procedures as the LH side.
9. INSTALL DIFFERENTIAL CARRIER ASSEMBLY
REAR (for 4WD)
HINT:
(See page DF-8)
10. INSTALL REAR DRIVE SHAFT ASSEMBLY LH (for
4WD)
(a) Install the rear drive shaft assembly LH, 4 washers
and 4 nuts.
Torque: 56 N*m (571 kgf*cm, 41 ft.*lbf)
11. INSTALL REAR DRIVE SHAFT ASSEMBLY RH (for
4WD)
HINT:
Install the RH side by same procedures as the LH side.
12. INSTALL PROPELLER W/CENTER BEARING SHAFT
ASSEMBLY (for 4WD)
HINT:
(See page PR-2)
C088688
G023904
G023905E01

SUSPENSION – REAR COIL SPRINGSP–47
SP
13. INSTALL SPEED SENSOR REAR LH (for 4WD)
(a) Install the speed sensor rear LH and bolt.
Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf)
14. INSTALL SPEED SENSOR REAR RH (for 4WD)
HINT:
Install the RH side by same procedures as the LH side.
15. CONNECT SKID CONTROL SENSOR WIRE (for 2WD)
(a) Connect the skid control sensor connector.
(b) Install the bolt and bracket to the rear axle beam
assembly.
Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf)
HINT:
Connect the RH side by same procedures with the
LH side.
16. INSTALL EXHAUST PIPE ASSEMBLY TAIL
HINT:
• 2WD DRIVE TYPE (See page EX-2)
• 4WD DRIVE TYPE (See page EX-12)
17. BLEED BRAKE LINE
18. INSPECT BRAKE FLUID LEVEL IN RESERVOIR
19. STABILIZE SUSPENSION
(a) Install the rear wheel and jack down the vehicle.
Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
(b) Bounce the vehicle up and down several times to
stabilize the suspension.
20. FULLY TIGHTEN SHOCK ABSORBER ASSEMBLY
REAR LH
(a) Stabilize the shock absorber assembly rear LH.
If it is impossible to tighten the nut at this position,
support the rear axle beam assembly with a jack
and load the rear compartment with a mass of
approximately 90 kg (198 lb).
Length of shock absorber:
2WD DRIVE TYPE:
234 mm (9.2 in.)
4WD DRIVE TYPE:
258 mm (10.2 in.)
G023898
G023899
C088682