TOYOTA SIENNA 2007 Service Repair Manual

EX–22GR-FE EXHAUST – EXHAUST PIPE (for 2WD)
EX
REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
2. REMOVE HEATED OXYGEN SENSOR (for Bank 1
Sensor 2) (See page EC-32)
3. REMOVE TAIL EXHAUST PIPE ASSEMBLY
(a) Remove the 2 bolts.
(b) Disconnect the 3 exhaust pipe supports and remove
the tail exhaust pipe assembly.
(c) Remove the gasket from the center exhaust pipe
assembly.
4. REMOVE CENTER EXHAUST PIPE ASSEMBLY
(a) Remove the 2 bolts and 2 compression springs.
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2GR-FE EXHAUST – EXHAUST PIPE (for 2WD)EX–3
EX
(b) Disconnect the 2 exhaust pipe supports and remove
the center exhaust pipe assembly.
(c) Remove the gasket from the front exhaust pipe
assembly.
5. REMOVE FRONT EXHAUST PIPE ASSEMBLY
(a) Disconnect the heated oxygen sensor (for bank 2
sensor 2) connector.
(b) Remove the 6 nuts and front exhaust pipe
assembly.
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EX–42GR-FE EXHAUST – EXHAUST PIPE (for 2WD)
EX
(c) Remove the 2 gaskets from the front exhaust pipe
assembly.
6. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET
(a) Remove the bolt and No. 1 exhaust pipe support
bracket.
7. REMOVE HEATED OXYGEN SENSOR (for Bank 2
Sensor 2) (See page EC-33)
A162484

2GR-FE EXHAUST – EXHAUST PIPE (for 2WD)EX–5
EX
INSTALLATION
1. INSTALL HEATED OXYGEN SENSOR (for Bank 2
Sensor 2) (See page EC-34)
2. INSTALL FRONT EXHAUST PIPE ASSEMBLY
(a) Install 2 new gaskets to the front exhaust pipe
assembly.
(b) Install the front exhaust pipe assembly with the 4
nuts.
Torque: 62 N*m (632 kgf*cm, 46 ft.*lbf)
3. INSTALL CENTER EXHAUST PIPE ASSEMBLY
(a) Using a vernier caliper, measure the free length of
the compression spring.
Minimum length:
38.86 mm (1.5299 in.)
If the length is less than the minimum, replace the
compression spring.
(b) Install a new gasket by hand so that its surface is
flush with the front exhaust pipe assembly.
NOTICE:
• Make sure the gasket is facing the correct
direction.
• Do not reuse the old gasket.
• Do not push in the gasket while installing the
center exhaust pipe assembly.
(c) Connect the 2 exhaust pipe supports, and install the
center exhaust pipe assembly.
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EX–62GR-FE EXHAUST – EXHAUST PIPE (for 2WD)
EX
(d) Install the 2 compression springs and 2 bolts.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)
(e) Connect the heated oxygen sensor (for bank 2
sensor 2) connector.
4. INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET
(a) Install the No. 1 exhaust pipe support bracket to oil
pan sub-assembly with 2 new nuts.
Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf)
(b) Loosen the No. 1 exhaust pipe support bracket
bolts.
(c) Install the clamp to No. 1 exhaust pipe support
bracket.
(d) Retighten the No. 1 exhaust pipe support bracket
bolts.
Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf)
(e) Install the clamp with the bolt.
Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf)
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2GR-FE EXHAUST – EXHAUST PIPE (for 2WD)EX–7
EX
5. INSTALL TAIL EXHAUST PIPE ASSEMBLY
(a) Install a new gasket to the center exhaust pipe
assembly.
(b) Connect the 3 exhaust pipe supports, and install the
tail exhaust pipe assembly.
(c) Install 2 new bolts.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)
6. INSTALL HEATED OXYGEN SENSOR (for Bank 1
Sensor 2) (See page EC-36)
7. CONNECT CABLE TO NEGATIVE BATTERY
TERMINAL
8. INSPECT FOR EXHAUST GAS LEAK
If exhaust gas is leaking, repair the leak. Replace
damaged parts as necessary.
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2GR-FE EXHAUST – EXHAUST PIPE (for 4WD)EX–7
EX
ENGINE
2GR-FE EXHAUST
EXHAUST PIPE (for 4WD)
COMPONENTS
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EX–82GR-FE EXHAUST – EXHAUST PIPE (for 4WD)
EX
REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
2. REMOVE HEATED OXYGEN SENSOR (for Bank 1
Sensor 2) (See page EC-38)
3. REMOVE TAIL EXHAUST PIPE ASSEMBLY
(a) Remove the 2 bolts.
(b) Disconnect the 4 exhaust pipe supports and remove
the tail exhaust pipe assembly.
(c) Remove the gasket from the center exhaust pipe
assembly.
4. REMOVE CENTER EXHAUST PIPE ASSEMBLY
(a) Remove the 2 bolts and 2 nuts.
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2GR-FE EXHAUST – EXHAUST PIPE (for 4WD)EX–9
EX
(b) Disconnect the 2 exhaust pipe supports and remove
the center exhaust pipe assembly.
(c) Remove the gaskets from the center exhaust pipe
assembly and the front exhaust pipe assembly.
5. REMOVE FRONT EXHAUST PIPE ASSEMBLY
(a) Disconnect the heated oxygen sensor (for bank 2
sensor 2) connector.
(b) Remove the 4 nuts and front exhaust pipe
assembly.
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EX–102GR-FE EXHAUST – EXHAUST PIPE (for 4WD)
EX
(c) Remove the gasket from the front exhaust pipe
assembly.
6. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET
(a) Remove the bolt and No. 1 exhaust pipe support
bracket.
7. REMOVE HEATED OXYGEN SENSOR (for Bank 2
Sensor 2) (See page EC-38)
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