TOYOTA SIENNA 2007 Service Repair Manual

TF–38TRANSFER – TRANSFER UNIT
TF
39. INSTALL TRANSFER COVER GASKET
(a) Install a new transfer cover gasket to the transfer
case.
C082798

PR–2PROPELLER SHAFT – PROPELLER SHAFT ASSEMBLY (for 4WD)
PR
DRIVE LINE
PROPELLER SHAFT
PROPELLER SHAFT ASSEMBLY (for 4WD)
COMPONENTS
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PROPELLER SHAFT – PROPELLER SHAFT ASSEMBLY (for 4WD)PR–3
PR
REMOVAL
1. REMOVE EXHAUST PIPE ASSEMBLY
(a) Remove exhaust pipe assembly (See page EX-8).
2. REMOVE PROPELLER W/CENTER BEARING SHAFT
ASSEMBLY
(a) Depress the brake pedal and hold it down.
(b) Using a hexagon wrench (6 mm), loosen the cross
groove joint set bolts a half turn.
HINT:
Place a cloth in the inside of the universal joint cover
so that the boot does not touch the inside of the
universal joint cover.
(c) Put matchmarks on both the flanges.
(d) Remove the 4 nuts, bolts and washers.
(e) Remove the 4 bolts, 2 adjusting shims and propeller
shaft w/ center bearing shaft assembly.
NOTICE:
• When removing the propeller shaft, do not
apply excessive force to the universal joint.
• During and after the removal of the propeller
shaft, keep the universal joint angle straight
(within 15 degrees).
• Be careful not to damage the oil seal.
(f) Insert SST(s) in the transfer extension housing to
prevent oil leakage.
SST 09325-20010
NOTICE:
Be careful not to damage the oil seal.
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PR–4PROPELLER SHAFT – PROPELLER SHAFT ASSEMBLY (for 4WD)
PR
DISASSEMBLY
1. REMOVE PROPELLER SHAFT ASSEMBLY
(a) Put matchmarks on both the flanges.
(b) Remove the 4 nuts, bolts and washers.
2. REMOVE INTERMEDIATE SHAFT
(a) Put matchmarks on the propeller shaft sub-
assembly and universal joint flange.
NOTICE:
Do not use a punch for the marks.
(b) Using a hexagon wrench (6 mm), remove the 6
bolts and 2 washers and separate the intermediate
shaft from the propeller shaft assembly rear.
3. REMOVE CENTER SUPPORT BEARING ASSEMBLY
NO.1
(a) Using a chisel and a hammer, loosen the staked
part of the nut.
(b) Using SST(s) to hold the front flange, remove the
nut and plate washer.
SST 09330-00021
(c) Put matchmarks on the rear flange and shaft.
(d) Hold the intermediate shaft in a vise between
aluminium plates.
NOTICE:
Do not overtighten the vise.
(e) Using SST(s), remove the rear flange.
SST 09950-40011 (09951-04020, 09952-04010,
09953-04030, 09954-04010, 09955-04061,
09957-04010, 09958-04011)
NOTICE:
Be careful not to damage the universal joint
flange.
(f) Remove the center support bearing assembly No. 1
(rear) and washer.
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PROPELLER SHAFT – PROPELLER SHAFT ASSEMBLY (for 4WD)PR–5
PR
4. REMOVE CENTER SUPPORT BEARING ASSEMBLY
NO.1
(a) Using a chisel and a hammer, loosen the staked
part of the nut.
(b) Using SST(s) to hold the front flange, remove the
nut and plate washer.
SST 09330-00021
(c) Put matchmarks on the front flange and shaft.
(d) Hold the intermediate shaft in a vise between
aluminium plates.
NOTICE:
Do not overtighten the vise.
(e) Using SST(s), remove the front flange.
SST 09950-40011 (09951-04020, 09952-04010,
09953-04030, 09954-04010, 09955-04061,
09957-04010, 09958-04011)
NOTICE:
Be careful not to damage the universal joint
flange.
(f) Remove the center support bearing assembly No. 1
(front) and washer.
INSPECTION
1. INSPECT SPIDER BEARING
(a) Check that the spider bearing moves smoothly by
turning the flange.
(b) Check for the looseness around the joint by strongly
moving the flange in the axial and radial directions.
HINT:
If necessary, replace the shaft.
2. INSPECT INTERMEDIATE SHAFT
(a) Using a dial gauge, check for the swing of the
intermediate shaft.
Maximum swing:
0.8 mm (0.031 in.)
NOTICE:
The dial gauge must be set at right angles to the
center of the intermediate shaft.
HINT:
If shaft swing exceeds the maximum, replace the
shaft.
F040511E01
F040512E01
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Q007980
C053258

PR–6PROPELLER SHAFT – PROPELLER SHAFT ASSEMBLY (for 4WD)
PR
(b) Using a dial gauge, check for the runout of the front
side of the intermediate shaft flange.
Maximum runout:
0.1 mm (0.004 in.)
NOTICE:
Ensure that the dial gauge is set at right angles
to the measurement surface.
(c) Set a dial gauge outside the bolt hole on the rear
side flange of the intermediate shaft, and check for
runout in the horizontal direction.
Maximum runout:
0.1 mm (0.004 in.)
NOTICE:
Ensure that the dial gauge is set at right angles
to the measurement surface.
(d) Set a dial gauge to the circumference of the
intermediate shaft flange, and check for runout in
the vertical direction.
Maximum runout:
0.1 mm (0.004 in.)
NOTICE:
Ensure that the dial gauge is set at right angles
to the measurement surface.
HINT:
If the intermediate shaft flange runout exceeds the
maximum, replace the intermediate shaft.
3. INSPECT PROPELLER SHAFT ASSEMBLY
(a) Using a dial gauge, check for the swing of the
propeller shaft assembly.
Maximum swing:
0.8 mm (0.031 in.)
HINT:
If shaft swing exceeds the maximum, replace the
propeller shaft assembly.
NOTICE:
The dial gauge must be set at right angles to the
center of the propeller shaft.
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PROPELLER SHAFT – PROPELLER SHAFT ASSEMBLY (for 4WD)PR–7
PR
4. INSPECT CENTER SUPPORT BEARING ASSEMBLY
NO.1
(a) Turn the bearing by hand with applying force in the
direction of rotating. Check that the bearing turns
smoothly.
(b) Check that the seals and bracket are not cracked or
damaged.
HINT:
If the bearing is damaged, worn, or does not turn
smoothly, replace it.
5. INSPECT CENTER SUPPORT BEARING ASSEMBLY
NO.1
(a) Inspect the center support bearing assembly No. 1
(rear) following the same procedures as for the
center support bearing assembly No. 1 (front).
6. INSPECT PROPELLER SHAFT ASSEMBLY REAR
(a) Using a dial gauge, check for the runout of the rear
propeller shaft assembly rear.
Maximum runout:
0.8 mm (0.031 in.)
HINT:
If the shaft runout exceeds the maximum, replace
the rear propeller shaft assembly rear.
NOTICE:
The dial gauge must be set at right angles to the
center of the propeller shaft.
REASSEMBLY
1. INSTALL CENTER SUPPORT BEARING ASSEMBLY
NO.1
(a) Set the center support bearing assembly No. 1
(front) to the intermediate shaft, as shown in the
illustration.
(b) Install a new washer to the intermediate shaft.
NOTICE:
Be sure to install the bearing in the correct
direction.
(c) Align the matchmarks on the front flange and shaft,
and place the flange on the shaft.
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PR–8PROPELLER SHAFT – PROPELLER SHAFT ASSEMBLY (for 4WD)
PR
(d) Using SST(s) to hold the front flange, press the
center support bearing assembly No. 1 (front) into
the position by tightening down with a new nut and
plate washer.
SST 09330-00021
Torque: 181 N*m (1,850 kgf*cm, 134 ft.*lbf)
(e) Loosen the nut.
(f) Torque the nut again.
Torque: 69 N*m (700 kgf*cm, 51 ft.*lbf)
(g) Using a chisel and a hammer, stake the nut.
2. INSTALL CENTER SUPPORT BEARING ASSEMBLY
NO.1
(a) Set the center support bearing assembly No. 1
(rear) on the shaft, as shown in the illustration.
(b) Install a new washer to the shaft.
NOTICE:
Be sure to install the bearing in the correct
direction.
(c) Align the matchmarks on the rear flange and shaft,
and place the flange on the shaft.
(d) Using SST(s) to hold the front flange, press the
center support bearing assembly No. 1 (rear) into
the position by tightening down with a new nut and
plate washer.
SST 09330-00021
Torque: 181 N*m (1,850 kgf*cm, 134 ft.*lbf)
(e) Loosen the nut.
(f) Torque the nut again.
Torque: 69 N*m (700 kgf*cm, 51 ft.*lbf)
(g) Using a chisel and a hammer, stake the nut.
3. INSTALL INTERMEDIATE SHAFT
(a) Align the matchmarks on the intermediate shaft and
rear propeller shaft assembly rear, then install the 2
washers and 6 bolts.
(b) Using a hexagon wrench (6 mm), loosely tighten the
6 bolts.
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F040524E01
F040509E01
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PROPELLER SHAFT – PROPELLER SHAFT ASSEMBLY (for 4WD)PR–9
PR
4. INSTALL PROPELLER SHAFT ASSEMBLY
(a) Align the matchmarks on the propeller shaft
assembly flange and front flange, and connect the
shaft with the 4 bolts, washers and nuts.
Torque: 74 N*m (750 kgf*cm, 54 ft.*lbf)
(b) Check that each joint of the propeller shaft is facing
in the correct direction, as shown in the illustration
below.
INSTALLATION
1. INSTALL PROPELLER W/CENTER BEARING SHAFT
ASSEMBLY
(a) Align the matchmarks on the propeller shaft
assembly rear flange and differential companion
flange, and connect the shaft with the 4 bolts,
washers and nuts.
(b) Remove SST(s) from the extension housing.
(c) Insert the yoke into the extension housing.
NOTICE:
• Be careful not to damage the oil seal.
• Be careful not to damage the universal joint
boot when installing the propeller shaft.
(d) Install the 2 adjusting shims and propeller shaft w/
center bearing, and loosely tighten the 4 bolts.
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PR–10PROPELLER SHAFT – PROPELLER SHAFT ASSEMBLY (for 4WD)
PR
(e) Tighten the 4 nuts.
Torque: 74 N*m (750 kgf*cm, 54 ft.*lbf)
2. FULLY TIGHTEN PROPELLER W/CENTER BEARING
SHAFT ASSEMBLY
(a) Remove the cloth from the joint.
(b) Using a hexagon wrench (6 mm), tighten the 6 bolts.
Torque: 29 N*m (296 kgf*cm, 21 ft.*lbf)
(c) With the vehicle unloaded, adjust the dimension
between the rear side of the cover and shaft, as
shown in the illustration.
(d) Adjust the front and rear dimensions between the
edge surface of the center support bearing and the
edge surface of the cushion to 12.5 +- 1.0 mm
(0.492 +- 0.039 in.) respectively as shown in the
illustration, then torque the bolts.
Torque: 37 N*m (375 kgf*cm, 27 ft.*lbf)
(e) Check that the center line of the bracket is at right
angles to the shaft axial direction.
(f) If any vibration or noise occurs, perform joint angle
check as follows and replace the adjusting shim with
a proper one.
(1) Turn the propeller shaft several times by hand
to stabilize the center support bearings.
(2) Using a jack, raise and lower the differential to
stabilize the differential mounting cushion.
(3) Remove the transfer dynamic damper.
(4) Using SST(s), measure the installation angle of
the transfer extension housing (A) and front
propeller shaft (B).
SST 09370-50010
No. 1 joint angle:
A minus B = -0.4
to -1.6
C092265
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