Sienna FWD V6-3.5L (2GR-FE) (2009)
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(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: Powertrain Management/Computers and Control Systems/Oxygen
Sensor/Service and Repair/Heated Oxygen Sensor/Removal
