REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during exhaust manifold assembly RH (TWC: Front Catalyst) and exhaust manifold assembly LH (TWC: Front Catalyst) removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
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| Inspection After Repair |
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CAUTION:
PROCEDURE
1. REMOVE FRONT FLOOR COVER LH
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2. REMOVE FRONT FLOOR COVER RH
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3. REMOVE BODY MOUNTING PLATE
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4. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side)
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5. REMOVE EXHAUST PIPE ASSEMBLY FRONT (TWC: Rear Catalyst)
(a) Disconnect the 2 heated oxygen sensor connectors. | |
(b) Disengage the 2 wire harness clamps.
(c) Remove the 4 bolts, 4 nuts and disconnect the front exhaust pipe assembly (TWC: Rear Catalyst). | |
(d) Remove the front exhaust pipe assembly (TWC: Rear Catalyst) from the exhaust pipe support.
(e) Remove the 3 gaskets from the front exhaust pipe assembly (TWC: Rear Catalyst).
6. REMOVE AIR FUEL RATIO SENSOR (for Bank 1)
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7. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
(a) Remove the 3 bolts and No. 1 exhaust manifold heat insulator from the exhaust manifold assembly RH (TWC: Front Catalyst). | |
8. REMOVE EXHAUST MANIFOLD ASSEMBLY RH (TWC: Front Catalyst)
(a) Using a 12 mm deep socket wrench, remove the 4 nuts and exhaust manifold assembly RH (TWC: Front Catalyst) from the cylinder head sub-assembly RH. | |
9. REMOVE EXHAUST MANIFOLD TO HEAD GASKET (for Bank 1)
(a) Remove the exhaust manifold to head gasket (for Bank 1) from the cylinder head sub-assembly RH. | |
10. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH
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11. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH
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12. REMOVE NO. 1 ENGINE UNDER COVER
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13. REMOVE NO. 2 ENGINE UNDER COVER
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14. REMOVE V-BANK COVER SUB-ASSEMBLY
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15. REMOVE COOL AIR INTAKE DUCT SEAL
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16. REMOVE AIR FUEL RATIO SENSOR (for Bank 2)
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17. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE
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18. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR
(a) Remove the 3 bolts and No. 2 exhaust manifold heat insulator from the exhaust manifold assembly LH (TWC: Front Catalyst). | |
19. REMOVE NO. 2 MANIFOLD STAY
(a) Remove the bolt, nut and No. 2 manifold stay from the exhaust manifold assembly LH (TWC: Front Catalyst) and cylinder block sub-assembly.
Bolt | |
Nut |
20. DISCONNECT NO. 5 WATER BY-PASS HOSE
(a) Disengage the 2 clamps to disconnect the No. 5 water by-pass hose and No. 6 water by-pass hose from the hose clamp. | |
21. REMOVE EXHAUST MANIFOLD ASSEMBLY LH (TWC: Front Catalyst)
(a) Using a 12 mm deep socket wrench, remove the 4 nuts and exhaust manifold assembly LH (TWC: Front Catalyst). | |
22. REMOVE EXHAUST MANIFOLD TO HEAD GASKET (for Bank 2)
(a) Remove the exhaust manifold to head gasket (for Bank 2) from the cylinder head sub-assembly. | |
23. REMOVE STUD BOLT
HINT:
If a stud bolt is deformed or its threads are damaged, replace it.
(a) Using an E8 "TORX" socket wrench, remove the 2 stud bolts from the exhaust manifold assembly LH (TWC: Front Catalyst). | |