TOYOTA SIENNA 2007 Service Repair Manual

AX–164U151E AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE ASSEMBLY
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7. REMOVE STARTER ASSEMBLY
(a) Disconnect the connector (1).
(b) Remove the nut (2) and disconnect the starter wire.
(c) Remove the 2 bolts (3) and starter assembly.
8. DISCONNECT CONNECTORS
(a) Disconnect the transmission wire connector.
(b) Disconnect the park/neutral position switch
connector.
(c) Disconnect the 2 speed sensor connectors.
9. REMOVE TRANSMISSION CONTROL CABLE
BRACKET NO.1
(a) Remove the bolt and automatic transmission oil
cooler tube clamp.
(b) Remove the 2 bolts and transmission control cable
bracket No.1.
10. REMOVE TRANSMISSION OIL FILLER TUBE SUB-
ASSEMBLY
(a) Remove the ATF level gauge.
(b) Disconnect the wire harnesses 2 clamps from the oil
filler tube.
(c) Remove the 2 bolts and oil filler tube.
(d) Remove the O-ring from the oil filler tube.
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11. REMOVE OIL COOLER INLET TUBE NO.1
(a) Using SST and a wrench, disconnect the oil cooler
inlet tube No.1.
SST 09023-12701
12. REMOVE OIL COOLER OUTLET TUBE NO.1
(a) Using SST and a wrench, disconnect the oil cooler
outlet tube No.1.
SST 09023-12701
13. REMOVE ENGINE MOUNTING BRACKET FRONT
(a) Remove the 3 bolts and engine mounting bracket
front.
14. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY
(a) Remove the 2 bolts and flywheel housing under
cover.
(b) Turn the crankshaft to gain access and remove the
6 bolts while holding the crankshaft pulley bolt with a
wrench.
HINT:
There will be one green colored bolt.
(c) Remove the 10 bolts.
(d) Separate and remove the automatic transaxle.
15. REMOVE TORQUE CONVERTER CLUTCH
ASSEMBLY
16. INSPECT TORQUE CONVERTER CLUTCH
ASSEMBLY
HINT:
(See page AX-170)
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INSTALLATION
1. INSTALL TORQUE CONVERTER CLUTCH
ASSEMBLY
(a) Install the torque converter clutch to the automatic
transaxle.
(b) Using vernier calipers and a straight edge, measure
the dimension "A" between the transaxle fitting part
of the engine and the converter fitting part of the
drive plate (*1).
(c) Using vernier calipers and a straight edge, measure
the dimension "B" shown in the illustration and
check that "B" is greater than "A" (measured in step
(*1)).
Standard:
A + 1 mm (0.03937 in.) or more
NOTICE:
Remember to minus the thickness of the
straight edge.
2. INSTALL AUTOMATIC TRANSAXLE ASSEMBLY
(a) Install the automatic transaxle to the engine with the
10 bolts.
Torque: Bolt A
64 N*m (650 kgf*cm, 47 ft.*lbf)
Bolt B
46 N*m (470 kgf*cm, 34 ft.*lbf)
Bolt C
43 N*m (439 kgf*cm, 32 ft.*lbf)
(b) Apply a few drops of adhesive to each of 2 threads
on the tip of the 6 torque converter clutch mounting
bolts.
Adhesive:
Part No. 08833-00070, THREE BOND 1324
or equivalent
(c) Install the 6 torque converter clutch mounting bolts.
Torque: 41 N*m (413 kgf*cm, 30 ft.*lbf)
NOTICE:
First install the black colored bolt, and then the
remaining 5 bolts.
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(d) Install the flywheel housing under cover to the
automatic transaxle with the 2 bolt.
Torque: 7.8 N*m (80 kgf*cm, 69 in.*lbf)
3. INSTALL ENGINE MOUNTING BRACKET FRONT
(a) Install the engine mounting bracket front to the
automatic transaxle with the 3 bolts.
Torque: 64 N*m (653 kgf*cm, 47 ft.*lbf)
4. INSTALL TRANSMISSION OIL FILLER TUBE SUB-
ASSEMBLY
(a) Coat a new O-ring with ATF, and install it to the
transmission oil filler tube sub-assembly.
(b) Install the transmission oil filler tube sub-assembly
and bolt to the automatic transaxle.
Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf)
(c) Connect the 2 clamps to the oil filler tube.
(d) Install the ATF level gauge.
5. INSTALL OIL COOLER INLET TUBE NO.1
(a) Temporarily install the oil cooler outlet tube No.1.
(b) Temporarily install the oil cooler inlet tube No.1.
(c) Install the oil cooler tube clamp and bolt.
Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf)
(d) Using SST and a wrench, tighten the oil cooler inlet
tube No.1.
SST 09023-12701
Torque: 34 N*m (347 kgf*cm, 25 ft.*lbf)
6. INSTALL OIL COOLER OUTLET TUBE NO.1
(a) Using SST and a wrench, tighten the oil cooler
outlet tube No.1.
SST 09023-12701
Torque: 34 N*m (347 kgf*cm, 25 ft.*lbf)
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7. INSTALL TRANSMISSION CONTROL CABLE
BRACKET NO.1
(a) Install the control cable bracket No.1 with the 2
bolts.
Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf)
8. CONNECT CONNECTORS
(a) Connect the transmission wire connector.
(b) Connect the park/neutral position switch connector.
(c) Connect the 2 speed sensor connectors.
9. INSTALL STARTER ASSEMBLY
(a) Install the starter assembly with the 2 bolts (1).
Torque: 37 N*m (377 kgf*cm, 27 ft.*lbf)
(b) Connect the connector (2).
(c) Connect the starter wire with the nut (3).
Torque: 9.8 N*m (100 kgf*cm, 87 in.*lbf)
10. CONNECT WIRE HARNESS
(a) Connect the wire harness with the bolt.
Torque: 13 N*m (133 kgf*cm, 10 ft.*lbf)
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11. INSTALL WIRE HARNESS CLAMP
(a) Install the 2 clamps and 3 bolts.
Torque: 8.4 N*m (86 kgf*cm, 74 in.*lbf)
(b) Connect the wire harnesses to the clamps.
12. INSTALL TRANSMISSION CONTROL CABLE CLAMP
(a) Install the transmission control cable clamp with the
bolt.
Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf)
13. INSTALL FRONT DRIVE SHAFT ASSEMBLY LH
HINT:
(See page DS-17)
14. INSTALL FRONT DRIVE SHAFT ASSEMBLY RH
HINT:
(See page DS-17)
15. INSTALL ENGINE ASSEMBLY WITH TRANSAXLE
HINT:
(See page EM-44)
16. RESET MEMORY
HINT:
(See page AX-16)
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REASSEMBLY
1. BEARING POSITION
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2. INSTALL DIFFERENTIAL GEAR LUBE APPLY TUBE
(a) Install the differential gear lube apply tube and
transaxle apply tube clamp with the bolt to the
transaxle housing.
Torque: 9.8 N*m (100 kgf*cm, 87 in.*lbf)
NOTICE:
Make sure to insert the pipe to the stopper.
3. INSTALL TRANSAXLE CASE NO.1 PLUG
(a) Install 2 new O-rings to the 2 transaxle case No.1
plugs.
(b) Install the 2 transaxle case No.1 plugs to the
transaxle rear cover.
Torque: 7.4 N*m (75 kgf*cm, 65 in.*lbf)
4. INSTALL UNDERDRIVE OUTPUT SHAFT OIL SEAL
RING
(a) Coat a new oil seal ring with ATF and install it to the
transaxle housing.
MarkFront Race Diameter
Inside / Outside mm (in.)Thrust Bearing Diameter
Inside / Outside mm (in.)Rear Race Diameter
Inside / Outside mm (in.)
A - 57.2 (2.252) / 84.96 (3.3449) 56.4 (2.220) / 83.0 (3.268)
B - 37.73 (1.4854) / 58.0 (2.283) -
C - 33.85 (1.3327) / 52.2 (2.055) -
D 24.94 (0.982) 23.5 (0.925) / 44.0(1.732) -
E - 36.3 (1.429) / 51.93 (2.044) 34.5 (1.358) / 48.35 (1.904)
F 34.35 (1.352) / 56.57 (2.227) 32.45 (1.278) / 56.48 (2.223) -
G 40.15 (1.581) / 59.25 (2.333) 38.65 (1.522) / 59.79 (2.354) 38.65 (1.522) / 59.25 (2.332)
H - 53.6 (2.110) / 69.6 (2.740) -
I 33.02 (1.3) / 45.8 (1.803) 31.85 (1.254) / 57.3 (2.256) -
J - 24.79 (0.976) / 39.5 (1.555) 23.6 (0.929) / 37.95 (1.494)
K - 56.3 (2.216) / 75.96 (2.991) -
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5. INSTALL UNDERDRIVE CYLINDRICAL ROLLER
BEARING
(a) Coat the underdrive cylindrical roller bearing with
AT F.
(b) Using SST and a press, install the underdrive
cylindrical roller bearing.
SST 09950-60020 (09951-00810), 09950-70010
(09951-07100)
NOTICE:
Do not apply excessive pressure to the bearing.
6. INSTALL UNDERDRIVE CLUTCH DRUM OIL SEAL
RING
(a) Coat 2 new oil seal rings with ATF, and install them
to the transaxle rear cover.
NOTICE:
• Do not expand the end gap of the oil seal ring
too much.
• Fix the hooks firmly. Confirm that the oil seal
ring rotates freely in its groove.
7. INSTALL NEEDLE ROLLER BEARING
(a) Wrap vinyl tape around the SST 4.0 mm (0.157 in.)
from the bottom of the SST until the thickness of the
tape is about 5.0 mm (0.197 in.).
SST 09950-60010 (09951-00320), 09950-70010
(09951-07100)
NOTICE:
Clean SST to remove deposited oil, before
wrapping vinyl tape.
(b) Coat the needle roller bearing with ATF.
(c) Using SST and a press, install the needle-roller
bearing to the transaxle case.
SST 09950-60010 (09951-00320), 09950-70010
(09951-07100)
NOTICE:
When the wrapped vinyl tape contacts the
transaxle case, stop press-fitting.
8. INSTALL UNDERDRIVE BRAKE PISTON
(a) Coat 2 new O-rings with ATF, and install them to the
underdrive brake piston.
NOTICE:
• Make sure that the O-rings are not twisted or
pinched when they are installed.
• Apply sufficient ATF to the O-ring before
installing.
(b) Coat the underdrive brake piston with ATF.
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(c) Install the underdrive brake piston to the transaxle
case.
NOTICE:
Be careful not to damage the O-ring.
9. INSTALL UNDERDRIVE BRAKE RETURN SPRING
SUB-ASSEMBLY
(a) Place SST on the return spring and compress the
return spring with a press.
SST 09387-00020
(b) Using a snap ring expander, install the snap ring to
the transaxle case.
NOTICE:
• Stop the press when the spring seat is
lowered 1 to 2 mm (0.039 to 0.078 in.) from the
snap ring groove, to prevent the spring seat
from being deformed.
• Do not expand the snap ring excessively.
• Installing the spring sub-assembly, check
that all of the springs are fit in the piston
correctly.
• The snap ring should be fully engaged in the
groove of the transaxle case.
10. INSTALL BREATHER PLUG NO.2 (ATM)
11. INSTALL COUNTER DRIVE GEAR BEARING
(a) Coat the counterdrive gear bearing with ATF.
(b) Using SST and a press, install the bearing outer
race.
SST 09950-60020 (09951-01030), 09950-70010
(09951-07150), 09649-17010
NOTICE:
• Do not apply excessive pressure to the
bearing.
• Press-fit the bearing outer race until it
contacts the transaxle case.
(c) Using a snap ring expander, install the snap ring.
NOTICE:
The white mark side of the snap ring should face
upward.
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