transmission TOYOTA SIENNA 2007 Service Repair Manual

INTRODUCTION – REPAIR INSTRUCTIONIN–25
IN
VEHICLE LIFT AND SUPPORT
LOCATIONS
1. NOTICE ABOUT VEHICLE CONDITION WHEN
JACKING UP VEHICLE
(a) The vehicle must be unloaded before jacking up/
lifting up the vehicle. Never jack up/lift up a heavily
loaded vehicle.
(b) When removing heavy parts such as the engine and
transmission, the center of gravity of the vehicle
may shift. To stabilize the vehicle, place a balance
weight in a location where it will not roll or shift, or
use a transmission jack to hold the jacking support.
2. NOTICE FOR USING 4 POST LIFT
(a) Follow the safety procedures outlined in the lift
instruction manual.
(b) Use precautionary measures to prevent the free
wheel beam from damaging tires or wheels.
(c) Use wheel chocks to secure the vehicle.
3. NOTICE FOR USING JACK AND SAFETY STAND
(a) Work on a level surface. Use wheel chocks at all
times.
(b) Set the jack and rigid racks to the specified
locations of the vehicle accurately.
(c) When jacking up the vehicle, first release the
parking brake and move the shift lever to N.
(d) When jacking up the entire vehicle:
(1) When jacking up the front wheels first, make
sure wheel chocks are behind the rear wheels.
(2) When jacking up the rear wheels first, make sure
wheel chocks are in front of the front wheels.
(e) When jacking up only the front or rear wheels of the
vehicle:
(1) Before jacking up the front wheels, place wheel
chocks on both sides of the rear wheels.
(2) Before jacking up the rear wheels, place wheel
chocks on both sides of the front wheels.
(f) When lowering a vehicle that only has its front or
rear wheels jacked up:
(1) Before lowering the front wheels, make sure
wheel chocks are in front of the rear wheels.
(2) Before lowering the rear wheels, make sure
wheel chocks are behind the front wheels.

SS–30SERVICE SPECIFICATIONS – U151E AUTOMATIC TRANSAXLE
SS
TORQUE SPECIFICATIONS
Part Tightened N*m kgf*cm ft*lbf
Park/neutral position switch Nut 6.9 70 61 in.*lbf
Bolt 5.4 55 48 in.*lbf
Control shaft lever x Control shaft 13 130 9
Shift control cable x Control shaft lever 13 130 9
Transaxle housing x Engine block A bolt 64 653 47
B bolt 46 470 34
C bolt 43 439 32
Torque converter clutch x Drive plate 41 413 35
Flywheel housing under cover x Automatic transaxle 7.8 80 69 in.*lbf
Engine mounting bracket FR x Transaxle 64 653 47
Oil filler tube x Transaxle5.5 56 49 in.*lbf
Control cable bracket No. 1 x Transaxle 12 122 9
Control cable bracket No. 2 x Transaxle 12 122 9
Oil cooler tube clamp x Control cable bracket 5.5 56 49 in.*lbf
Oil cooler inlet tube x Transaxle27 275 20
Oil cooler outlet tube x Transaxle 27 275 20
Starter x Transaxle37 377 27
Starter wire x Starter9.8 100 87 in.*lbf
Wire harness x Transaxle13 133 10
Wire harness clamp x Transaxle8.4 86 74 in.*lbf
Speed sensor (NC) x Transaxle11 11 5 8
Speed sensor (NT) x Transaxle11 11 2 8
Air cleaner x Air cleaner hose5.0 51 44 in.*lbf
Drain plug x Oil pan49 500 36
Transmission wire x Transaxle5.4 55 48 in.*lbf
ATF temperature sensor x Valve body 6.6 67 58 in.*lbf
Oil pan x Transaxle7.8 80 69 in.*lbf
Solenoid valve x Valve body A B bolt 11 110 8
C D bolt 6.6 67 58 in.*lbf
Valve body x Transaxle11 11 0 8
Oil strainer x Valve body11 11 0 8
Floor shift assembly x Body21 214 15
Control cable x Body12 122 9
Engine mount bracket RR x Transfer stiffener plate RH 34 350 25
Oil cooler assembly x Body Nut
7.0 71 62 in.*lbf
bolt
Differential gear lube apply tube x Transaxle housing 9.8 100 87 in.*lbf
Front planetary gear lock nut
210 to 3502,141 to
3,569155 to 258
Brake apply tube clamp x Transaxle case 5.4 55 48 in.*lbf
Transaxle case No. 1 plug x Transaxle rear cover 7.4 75 65 in.*lbf
Transaxle rear cover x Transaxle case Bolt A 19 190 14
Other bolt 25 250 18
Pawl shaft clamp x Transaxle case 9.8 100 87 in.*lbf
Oil pump assembly x Transaxle case 22 226 16

SERVICE SPECIFICATIONS – U151E AUTOMATIC TRANSAXLESS–31
SS
Transaxle housing x Transaxle case Bolt A 22 225 16
Bolt B 29 300 22
Bolt C 29 295 21
Bolt D 22 226 16
Automatic transmission case plug x Transaxle housing 7.4 75 65 in.*lbf
Automatic transmission case plug x Transaxle case 7.4 75 65 in.*lbf
Parking lock pawl bracket x Transaxle case 20 205 15
Manual detent spring x Transaxle case Bolt A 20 205 15
Bolt B 12 120 9
Transmission wire x Transaxle housing 5.4 55 48 in.*lbf
Transmission valve body x Transaxle case 11 110 8
ATF temperature sensor clamp x Transmission valve body 6.6 67 58 in.*lbf
Valve body oil strainer assembly x Transmission valve body 11 1108
Automatic transaxle oil pan sub-assembly x Transaxle case 7.8 80 69 in.*lbf
Drain plug x Automatic transaxle oil pan sub-assembly 49 500 36
Speed sensor x Transaxle case11 11 5 8
Oil cooler tube union x Transaxle case Union 27 276 20
Elbow 27 276 20
Park/neutral start switch x nut6.9 70 61 in.*lbf
Park/neutral start switch x Bolt5.4 55 48 in.*lbf
Park/neutral start switch x Control shaft lever 13 130 9
Speedometer driven hole cover sub-assembly x Transaxle case 6.9 7061
Oil pump body x Stator shaft assembly 9.8 100 87 in.*lbf
Line pressure control solenoid assembly x Transmission valve body assembly 6.6 67 58 in.*lbf
Shift solenoid valve SL1 x Transmission valve body assembly 6.6 67 58 in.*lbf
Shift solenoid valve SL2 x Transmission valve body assembly 10.811 0 8
Shift solenoid valve SL3 x Transmission valve body assembly 6.6 67 58 in.*lbf
Shift solenoid valve S4 x Transmission valve body assembly 10.8 110 8
Shift solenoid valve DSL x Transmission valve body assembly 10.811 0 8
Front differential case x Front differential ring gear 95.1 970 70Part Tightened N*m kgf*cm ft*lbf

2GR-FE ENGINE MECHANICAL – ENGINE ASSEMBLYEM–31
EM
(b) Disconnect the fuel tube from the fuel pipe while
pinching part A with your fingers as shown in the
illustration.
NOTICE:
• Check for contamination in the pipe and
around the connector. Clean if necessary and
then disconnect the connector.
• Disconnect the connector by hand.
• Do not bend, fold or rotate the nylon tube.
• If the pipe and connector are stuck together,
push and pull the connector until it becomes
free.
• Put the pipe and connector ends in vinyl bags
to prevent damage and contamination.
35. DISCONNECT NO. 1 OIL COOLER INLET HOSE
(a) Using pliers, grip the claws of the clip and slide the
clip to disconnect the No. 1 oil cooler inlet hose from
the No. 1 oil cooler inlet tube.
36. REMOVE NO. 1 OIL COOLER OUTLET HOSE
(a) Using pliers, grip the claws of the clip and slide the
clip to disconnect the No. 1 oil cooler outlet hose
from the No. 1 oil cooler outlet tube.
37. DISCONNECT TRANSMISSION CONTROL CABLE
ASSEMBLY
(a) Remove the nut from the control shaft lever.
(b) Disconnect the transmission control cable assembly
from the control shaft lever.
B012941E15
A155032
A155031
D025414E03

EM–322GR-FE ENGINE MECHANICAL – ENGINE ASSEMBLY
EM
(c) Remove the clip and disconnect the transmission
control cable assembly from the control cable
bracket.
(d) Disconnect the control cable from the control cable
clamp.
38. DISCONNECT RETURN TUBE SUB-ASSEMBLY
(a) Using pliers, grip the claws of the 2 clips and slide
the 2 clips to disconnect the 2 return tube sub-
assemblies.
(b) Drain the power steering fluid.
NOTICE:
Take care not to damage the hose protector.
39. DISCONNECT NO. 1 OIL RESERVOIR TO PUMP
HOSE
(a) Using pliers, grip the claws of the clip and slide the
clip to disconnect the No. 1 oil reservoir to pump
hose from the oil reservoir tank.
40. DISCONNECT ENGINE WIRE
(a) Disconnect the engine wire from the engine room
junction block.
(1) Remove the nut and separate the wire harness.
(2) Using a screwdriver, unlock the engine room
junction block. Pull the engine room junction
block upward.
C089134E01
C090579
A163268
A155029
A155037

INTRODUCTION – TERMSIN–51
IN
IFI Indirect Fuel Injection Indirect Injection (IDL)
IFS Inertia Fuel-Shutoff -
ISC Idle Speed Control -
KS Knock Sensor Knock Sensor
MAF Mass Airflow Air Flow Meter
MAP Manifold Absolute Pressure Manifold Pressure Intake Vacuum
MC Mixture ControlElectric Bleed Air Control Valve (EBCV)
Mixture Control Valve (MCV)
Electric Air Control Valve (EACV)
MDP Manifold Differential Pressure -
MFI Multiport Fuel Injection Electronic Fuel Injection (EFI)
MIL Malfunction Indicator Light Check Engine Light
MST Manifold Surface Temperature -
MVZ Manifold Vacuum Zone -
NVRAM Non-Volatile Random Access Memory -
O2S Oxygen SensorOxygen Sensor, O
2 Sensor (O2S)
OBD On-Board Diagnostic On-Board Diagnostic System (OBD)
OC Oxidation Catalytic Converter Oxidation Catalytic Convert (OC), CCo
OL Open Loop Open Loop
PAIR Pulsed Secondary Air Injection Air Suction (AS)
PCM Powertrain Control Module -
PNP Park/Neutral Position -
PROM Programmable Read Only Memory -
PSP Power Steering Pressure -
PTOX Periodic Trap OxidizerDiesel Particulate Filter (DPF)
Diesel Particulate Trap (DPT)
RAM Random Access Memory Random Access Memory (RAM)
RM Relay Module -
ROM Read Only Memory Read Only Memory (ROM)
RPM Engine Speed Engine Speed
SC Supercharger Supercharger
SCB Supercharger Bypass E-ABV
SFI Sequential Multiport Fuel Injection Electronic Fuel Injection (EFI), Sequential Injection
SPL Smoke Puff Limiter -
SRI Service Reminder Indicator -
SRT System Readiness Test -
ST Scan Tool -
TB Throttle Body Throttle Body
TBI Throttle Body Fuel InjectionSingle Point Injection
Central Fuel Injection (Ci)
TC Turbocharger Turbocharger
TCC Torque Converter Clutch Torque Converter
TCM Transmission Control Module Transmission ECU, ECT ECU
TP Throttle Position Throttle Position
TR Transmission Range -
TVV Thermal Vacuum ValveBimetallic Vacuum Switching Valve (BVSV)
Thermostatic Vacuum Switching Valve (TVSV)
TWC Three-Way Catalytic ConverterThree-Way Catalytic (TWC)
Manifold Converter
CC
RO
SAE
ABBREVIATIONSSAE TERMSTOYOTA TERMS
( )-ABBREVIATIONS

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.
C083203
D030465
G025456

AX–164U151E AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE ASSEMBLY
AX
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.
D030464E02
D030864E04
D030467
D030468

U151E AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE ASSEMBLYAX–167
AX
(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)
D030471
D030470
D030700
D030699
D030469E04

AX–168U151E AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE ASSEMBLY
AX
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)
D030467
D030864E03
D030464E03
G025456