Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM100000000VIEX |
Model Year Start: 2016 |
Model: Sienna |
Prod Date Range: [12/2015 - 08/2016] |
Title: 2GR-FE INTAKE / EXHAUST: EXHAUST MANIFOLD: REMOVAL; 2016 MY Sienna [12/2015 - 08/2016] |
REMOVAL
PROCEDURE
1. REMOVE RADIATOR ASSEMBLY
(See page
)
2. REMOVE V-BANK COVER SUB-ASSEMBLY
3. REMOVE INSTRUMENT PANEL FINISH PANEL END LH
4. REMOVE NO. 1 ENGINE UNDER COVER
(a) Remove the 8 screws, front wheel opening extension pad RH and front wheel opening extension pad LH.
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(b) Remove the 2 bolts, 6 screws, 4 clips and No. 1 engine under cover.
5. REMOVE NO. 2 ENGINE UNDER COVER (for AWD)
(a) Remove the 2 bolts, 2 screws, clip and No. 2 engine under cover.
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6. REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY (for AWD)
(See page
)
7. REMOVE FRONT EXHAUST PIPE ASSEMBLY (for 2WD)
(a) Disconnect the oxygen sensor (for bank 1 sensor 2) connector.
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(b) Remove the oxygen sensor (for bank 1 sensor 2) wire grommet and pass the connector through the hole to the outside of the vehicle.
(c) Disconnect the oxygen sensor (for bank 2 sensor 2) connector.
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(d) Disengage the 6 clamps to disconnect the oxygen sensor (for bank 2 sensor 2) wire from the 2 wire harness clamp brackets.
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(e) Loosen the bolt and separate the exhaust pipe clamp from the No. 1 exhaust pipe support bracket.
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(f) Remove the 2 bolts and 2 compression springs to separate the front exhaust pipe assembly from the center exhaust pipe sub-assembly (TWC: rear catalyst).
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(g) Remove the 4 nuts and front exhaust pipe assembly from the exhaust manifold sub-assembly LH (TWC: front catalyst) and exhaust manifold sub-assembly RH (TWC: front catalyst).
(h) Remove the 3 gaskets from the front exhaust pipe assembly.
8. REMOVE FRONT EXHAUST PIPE ASSEMBLY (for AWD)
(a) Disconnect the oxygen sensor (for bank 1 sensor 2) connector.
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(b) Remove the oxygen sensor (for bank 1 sensor 2) wire grommet and pass the connector through the hole to the outside of the vehicle.
(c) Disconnect the oxygen sensor (for bank 2 sensor 2) connector.
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(d) Disengage the 6 clamps to disconnect the oxygen sensor (for bank 2 sensor 2) wire from the 2 wire harness clamp brackets.
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(e) Loosen the bolt and separate the exhaust pipe clamp from the No. 1 exhaust pipe support bracket.
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(f) Remove the 2 bolts and 2 compression springs to separate the front No. 3 exhaust pipe sub-assembly from the center exhaust pipe sub-assembly (TWC: rear catalyst).
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(g) Remove the 2 nuts, 2 bolts and front No. 3 exhaust pipe sub-assembly from the exhaust manifold sub-assembly RH (TWC: front catalyst) and front exhaust pipe assembly.
(h) Remove the 3 gaskets from the front No. 3 exhaust pipe sub-assembly and front exhaust pipe assembly.
(i) Remove the 2 nuts and front exhaust pipe assembly from the exhaust manifold sub-assembly LH (TWC: front catalyst).
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(j) Remove the gasket from the front exhaust pipe assembly.
9. REMOVE MANIFOLD STAY
(a) Remove the bolt, nut and manifold stay.
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10. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH
(a) Disconnect the air fuel ratio sensor (for Bank 1 Sensor 1) connector and disengage the 2 harness clamps.
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(b) Using a 12 mm deep socket wrench, remove the 6 nuts and exhaust manifold sub-assembly RH.
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11. REMOVE EXHAUST MANIFOLD TO HEAD GASKET
(a) Remove the exhaust manifold to head gasket from the cylinder head sub-assembly.
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12. REMOVE AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)
13. REMOVE NO. 2 OIL LEVEL DIPSTICK GUIDE
(a) Remove the oil level dipstick.
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(b) Remove the bolt and No. 2 oil level dipstick guide.
(c) Remove the O-ring from the No. 2 oil level dipstick guide.
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14. REMOVE NO. 2 MANIFOLD STAY
(a) Remove the bolt, nut and No. 2 manifold stay.
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15. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR
(a) Disconnect the air fuel ratio sensor (for Bank 2 Sensor 1) connector and disengage the 2 harness clamps.
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(b) Remove the 3 bolts and No. 2 exhaust manifold heat insulator.
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16. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY LH
(a) Using a 12 mm deep socket wrench, remove the 6 nuts and exhaust manifold sub-assembly LH.
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17. REMOVE EXHAUST MANIFOLD TO HEAD GASKET LH
(a) Remove the exhaust manifold to head gasket LH from the cylinder head sub-assembly.
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18. REMOVE NO. 2 AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1)
(a) Using SST, remove the No. 2 air fuel ratio sensor (for Bank 2 Sensor 1) from the exhaust manifold sub-assembly LH.
SST: 09224-00010
NOTICE:
If a component has been dropped or subjected to a strong impact, replace No. 2 air fuel ratio sensor (for Bank 2 Sensor 1).
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