| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000Z9KF |
| Model Year Start: 2017 | Model: Sienna | Prod Date Range: [08/2016 - ] |
| Title: 2GR-FKS (ENGINE CONTROL): AIR FUEL RATIO SENSOR: REMOVAL; 2017 - 2020 MY Sienna [08/2016 - ] | ||
REMOVAL
PROCEDURE
1. REMOVE V-BANK COVER SUB-ASSEMBLY
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![2017 - 2020 MY Sienna [08/2016 - ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+](/t3Portal/stylegraphics/info.gif)
2. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR
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3. REMOVE AIR FUEL RATIO SENSOR (for Bank 2)
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(a) Using SST, remove the air fuel ratio sensor (for bank 2) from the exhaust manifold sub-assembly LH (TWC: front catalyst). SST: 09224-00012 NOTICE: If the air fuel ratio sensor (for bank 2) has been struck or dropped, replace it. |
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4. REMOVE INSTRUMENT PANEL FINISH PANEL END LH
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for 2WD
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for AWD
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5. REMOVE NO. 1 ENGINE UNDER COVER
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6. REMOVE NO. 2 ENGINE UNDER COVER (for AWD)
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7. REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY (for AWD)
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8. REMOVE FRONT EXHAUST PIPE ASSEMBLY (for 2WD)
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9. REMOVE FRONT EXHAUST PIPE ASSEMBLY (for AWD)
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10. REMOVE MANIFOLD STAY
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11. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH (TWC: Front Catalyst)
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12. REMOVE EXHAUST MANIFOLD TO HEAD GASKET (for Bank 1)
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13. REMOVE AIR FUEL RATIO SENSOR (for Bank 1)
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(a) Using SST, remove the air fuel ratio sensor (for bank 1) from the exhaust manifold sub-assembly RH (TWC: front catalyst). SST: 09224-00012 NOTICE: If the air fuel ratio sensor (for bank 1) has been struck or dropped, replace it. |
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