| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001BMOY |
| Model Year Start: 2019 | Model: Avalon | Prod Date Range: [04/2018 - ] |
| Title: 2GR-FKS (INTAKE / EXHAUST): EXHAUST MANIFOLD: INSTALLATION; 2019 - 2022 MY Avalon [04/2018 - ] | ||
INSTALLATION
PROCEDURE
1. INSTALL STUD BOLT
HINT:
If a stud bolt is deformed or its threads are damaged, replace it.
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(a) Using an E8 "TORX" socket wrench, install the 2 stud bolts to the exhaust manifold assembly LH (TWC: Front Catalyst). Torque: 19.5 N·m {199 kgf·cm, 14 ft·lbf} |
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2. INSTALL EXHAUST MANIFOLD TO HEAD GASKET (for Bank 2)
(a) Install a new exhaust manifold to head gasket (for Bank 2) to the cylinder head sub-assembly.
3. INSTALL EXHAUST MANIFOLD ASSEMBLY LH (TWC: Front Catalyst)
(a) Temporarily install the exhaust manifold assembly LH (TWC: Front Catalyst) with the 4 nuts.
(b) Temporarily install the No. 2 manifold stay to the exhaust manifold assembly LH (TWC: Front Catalyst) and cylinder block sub-assembly with the bolt and nut.
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(c) Using a 12 mm deep socket wrench, tighten the 4 nuts in the order shown in the illustration. Torque: 21 N·m {214 kgf·cm, 15 ft·lbf} |
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(d) Tighten the bolt and nut in the order shown in the illustration.
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Bolt |
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Nut |
Torque:
Nut :
35 N·m {357 kgf·cm, 26 ft·lbf}
Bolt :
34 N·m {347 kgf·cm, 25 ft·lbf}
4. CONNECT NO. 5 WATER BY-PASS HOSE
(a) Engage the 2 clamps to connect the No. 5 water by-pass hose and No. 6 water by-pass hose to the hose clamp.
5. INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR
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(a) Install the No. 2 exhaust manifold heat insulator to the exhaust manifold assembly LH (TWC: Front Catalyst) with the 3 bolts in the order shown in the illustration. Torque: 8.5 N·m {87 kgf·cm, 75 in·lbf} |
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6. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE
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![2019 - 2022 MY Avalon [04/2018 - ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: INSTALLATION+](/t3Portal/stylegraphics/info.gif)
7. INSTALL AIR FUEL RATIO SENSOR (for Bank 2)
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8. INSTALL COOL AIR INTAKE DUCT SEAL
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9. INSTALL V-BANK COVER SUB-ASSEMBLY
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10. INSTALL EXHAUST MANIFOLD TO HEAD GASKET (for Bank 1)
(a) Install a new exhaust manifold to head gasket (for Bank 1) to the cylinder head sub-assembly RH.
11. INSTALL EXHAUST MANIFOLD ASSEMBLY RH (TWC: Front Catalyst)
(a) Temporarily install the exhaust manifold assembly RH (TWC: Front Catalyst) with the 4 nuts.
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(b) Using a 12 mm deep socket wrench, tighten the 4 nuts in the order shown in the illustration. Torque: 21 N·m {214 kgf·cm, 15 ft·lbf} |
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12. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
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(a) Install the No. 1 exhaust manifold heat insulator to the exhaust manifold assembly RH (TWC: Front Catalyst) with the 3 bolts in the order shown in the illustration. Torque: 8.5 N·m {87 kgf·cm, 75 in·lbf} |
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13. INSTALL AIR FUEL RATIO SENSOR (for Bank 1)
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14. INSTALL FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)
(a) Install 3 new gaskets to the front exhaust pipe assembly (TWC: Rear Catalyst).
(b) Connect the front exhaust pipe assembly (TWC: Rear Catalyst) to the exhaust pipe support.
(c) Install the front exhaust pipe assembly (TWC: Rear Catalyst) with 4 new bolts and 4 new nuts.
Torque:
43 N·m {438 kgf·cm, 32 ft·lbf}
(d) Engage the 2 wire harness clamps.
(e) Connect the 2 heated oxygen sensor connectors.
15. INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side)
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16. INSTALL BODY MOUNTING PLATE
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17. INSTALL FRONT FLOOR COVER LH
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18. INSTALL FRONT FLOOR COVER RH
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19. INSPECT FOR EXHAUST GAS LEAK
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20. INSTALL REAR ENGINE UNDER COVER RH
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21. INSTALL NO. 1 ENGINE UNDER COVER
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22. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH
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23. INSTALL FRONT WHEEL OPENING EXTENSION PAD RH
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