Sienna FWD V6-3.5L (2GR-FE) (2009)
(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)
(e) Install the center exhaust pipe assembly with the 2 compression springs and 2 bolts.
Torque: 43 Nm (438 kgf-cm, 32ft-lbf)
(f) Install the No. 1 exhaust pipe support bracket with the 2 new nuts.
Torque: 21 Nm (214 kgf-cm, 15ft-lbf)
(g) Connect the heated oxygen sensor (for Bank 1 sensor 2) connector.
5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
6. INSPECT FOR EXHAUST GAS LEAK