PROCEDURE
INSTALL STUD BOLT
Tech Tips
If a stud bolt is deformed or its threads are damaged, replace it.
Using an E8 "TORX" socket wrench, install the 2 stud bolts to the exhaust manifold assembly LH (TWC: Front Catalyst).
INSTALL EXHAUST MANIFOLD TO HEAD GASKET (for Bank 2)
Install a new exhaust manifold to head gasket (for Bank 2) to the cylinder head sub-assembly.
INSTALL EXHAUST MANIFOLD ASSEMBLY LH (TWC: Front Catalyst)
Temporarily install the exhaust manifold assembly LH (TWC: Front Catalyst) with the 4 nuts.
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.
Using a 12 mm deep socket wrench, tighten the 4 nuts in the order shown in the illustration.
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Bolt |
|
Nut |
Tighten the bolt and nut in the order shown in the illustration.
CONNECT NO. 5 WATER BY-PASS HOSE
Engage the 2 clamps to connect the No. 5 water by-pass hose and No. 6 water by-pass hose to the hose clamp.
INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR
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.
INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE
INSTALL AIR FUEL RATIO SENSOR (for Bank 2)
INSTALL COOL AIR INTAKE DUCT SEAL
INSTALL V-BANK COVER SUB-ASSEMBLY
INSTALL EXHAUST MANIFOLD TO HEAD GASKET (for Bank 1)
Install a new exhaust manifold to head gasket (for Bank 1) to the cylinder head sub-assembly RH.
INSTALL EXHAUST MANIFOLD ASSEMBLY RH (TWC: Front Catalyst)
Temporarily install the exhaust manifold assembly RH (TWC: Front Catalyst) with the 4 nuts.
Using a 12 mm deep socket wrench, tighten the 4 nuts in the order shown in the illustration.
INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
| *a | Temporarily Tighten |
Install the No. 1 exhaust manifold heat insulator to the exhaust manifold assembly (TWC: Front Catalyst) with the 3 bolts in the order shown in the illustration.
INSTALL AIR FUEL RATIO SENSOR (for Bank 1)
INSTALL FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)
Install 3 new gaskets to the front exhaust pipe assembly (TWC: Rear Catalyst).
Connect the front exhaust pipe assembly (TWC: Rear Catalyst) to the exhaust pipe support.
Install the front exhaust pipe assembly (TWC: Rear Catalyst) with 4 new bolts and 4 new nuts.
Engage the 2 wire harness clamps.
Connect the 2 heated oxygen sensor connectors.
INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side)
INSTALL BODY MOUNTING PLATE
INSPECT FOR EXHAUST GAS LEAK
INSTALL NO. 1 ENGINE UNDER COVER
INSTALL FRONT WHEEL OPENING EXTENSION PAD LH
INSTALL FRONT WHEEL OPENING EXTENSION PAD RH