2007 TOYOTA SIENNA automatic transmission

U151E AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE ASSEMBLYAX–163
AX
REMOVAL
1. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE
HINT:
(See page EM-26)
2. REMOVE FRONT DRIVE SHAFT ASSEMBLY LH
HINT:
(See page DS-6)
3. REMOVE FRONT DRIVE SHAFT ASSEMBLY RH
HINT:
(See page DS-6)
4. REMOVE TRANSMISSION CONTROL CABLE CLAMP
(a) Remove the bolt and the transmission control cable
clamp.
5. REMOVE WIRE HARNESS CLAMP
(a) Disconnect the wire harnesses from the clamp.
(b) Remove the 3 bolts and 2 clamps.
6. DISCONNECT WIRE HARNESS
(a) Remove the bolt and disconnect the wire harness.
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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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U151E AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE ASSEMBLYAX–167
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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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AX–168U151E AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE ASSEMBLY
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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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U151E AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE ASSEMBLYAX–169
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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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U151E AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE UNITAX–227
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64. INSTALL TRANSAXLE CASE 2ND BRAKE GASKET
(a) Coat a new transaxle case 2nd brake gasket with
ATF, and install it to the transaxle case.
NOTICE:
Be sure not to damage the lip of the transaxle
case brake gasket when inserting the gasket to
the case. Apply sufficient ATF to the gasket
before installation. Be careful about the
direction of parts.
65. INSTALL GOVERNOR APPLY GASKET NO.1
(a) Coat a new governor apply gasket No.1 with ATF,
and install it to the transaxle case.
NOTICE:
Be sure not to damage the lip of the transaxle
case brake gasket when inserting the gasket to
the case. Apply sufficient ATF to the gasket
before installation. Be careful about the
direction of parts.
66. INSTALL TRANSMISSION WIRE
(a) Coat a new O-ring with ATF, and install it to the
transmission wire.
NOTICE:
Make sure that the O-ring is not twisted,
protruded, or pinched when installing the wire
transmission to the transaxle case. Apply
sufficient ATF to the O-ring before installation.
(b) Install the transmission wire retaining bolt.
Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf)
67. CONNECT TRANSMISSION WIRE
(a) Coat an O-ring of the ATF temperature sensor with
AT F.
(b) Install the ATF temperature sensor with the lock
plate and bolt.
Torque: 6.6 N*m (67 kgf*cm, 58 in.*lbf)
(c) Connect the 7 solenoid connectors.
NOTICE:
• Connect the connectors A, B, C, D, E, F, G, in
the order from shortest to longest.
• Apply ATF to the bolt.
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AX–228U151E AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE UNIT
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68. INSTALL TRANSMISSION VALVE BODY ASSEMBLY
(a) While positioning the manual valve lever position,
install the valve body to the transaxle case with the
17 bolts.
Torque: 11 N*m (110 kgf*cm, 8 ft.*lbf)
Bolt length:
Bolt A:
41 mm (1.614 in.)
Bolt B:
57 mm (2.244 in.)
Bolt C:
25 mm (0.984 in.)
NOTICE:
• Push the valve body against the accumulator
piston spring and the check ball body to
install the valve body.
• When installing the valve body to the
transaxle case, do not hold the solenoids.
• Temporarily tighten the bolts marked with (1)
in the illustration first because they are
positioning bolts.
69. INSTALL VALVE BODY OIL STRAINER ASSEMBLY
(a) Coat a new O-ring with ATF and install it to the oil
strainer.
NOTICE:
Make sure that the O-ring is not twisted or
pinched. Apply sufficient ATF to the O-ring
before installation.
(b) Install the oil strainer and 3 bolts to the valve body.
Torque: 11 N*m (110 kgf*cm, 8 ft.*lbf)
NOTICE:
Apply ATF to the bolts.
70. INSTALL AUTOMATIC TRANSAXLE OIL PAN SUB-
ASSEMBLY
(a) Install the 2 magnets to the oil pan.
(b) Apply seal packing or equivalent to new 18 bolts.
Seal packing:
THREE BOND 2430 or equivalent
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U151E AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE UNITAX–179
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9. INSPECT TRANSMISSION OIL CLEANER MAGNET
(a) Remove the magnets and use them to collect any
steel chips. Examine the chips and particles in the
pan and on the magnet to determine what type of
wear has occurred in the transaxle:
Result:
Steel (magnetic):
Wear of the bearing, gear and plate
Brass (non-magnetic):
Wear of the bushing
10. DISCONNECT TRANSMISSION WIRE
(a) Remove the 7 connectors from the shift solenoid
valves.
(b) Remove the bolt, lock plate and temperature
sensor.
11. REMOVE TRANSMISSION WIRE
(a) Remove the bolt and transmission wire from the
transaxle case.
12. REMOVE VALVE BODY OIL STRAINER ASSEMBLY
(a) Remove the 3 bolts and oil strainer.
(b) Remove the O-ring from the oil strainer.
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