Sienna FWD V6-3.5L (2GR-FE) (2009)
INSTALLATION
1. INSTALL HEATED OXYGEN SENSOR (for Bank 2 Sensor 2)
(a) Using SST, install the heated oxygen sensor to the front exhaust pipe.
SST: 09224-00010
Torque: 40 Nm (408 kgf-cm, 30ft-lbf)for use with SST
Torque: 44 Nm (449 kgf-cm, 32ft-lbf)for use without SST
HINT:
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Use a torque wrench with a fulcrum length of 30 cm (11.81 in.).
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Make sure that SST and a wrench are connected in a straight line.
2. INSTALL FRONT EXHAUST PIPE ASSEMBLY
(a) Check the compression springs.
(1) Check the compression springs using vernier calipers.
Specified length:
38.86 mm (1.5299 in.)
HINT: If the result is not as specified, replace the compression spring.
(b) Install the gasket.
(1) Install a new gasket by hand onto the front exhaust pipe assembly.
(2) Using a plastic hammer and wooden block, tap in the new gasket until its surface is flush with the front exhaust pipe.
NOTICE:
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Be careful with the installation direction of the gasket.
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Do not damage the gasket.
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Do not reuse the gasket.
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To ensure a proper seal, do not use the exhaust pipe to force the gasket on to the front exhaust pipe.
(c) Install 2 new gaskets to the front exhaust pipe assembly.
(d) Install the front exhaust pipe assembly with the 4 nuts.
Torque: 62 Nm (632 kgf-cm, 46ft-lbf)