Toyota Sienna Service Manual: 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.

(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.

(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)