Installation [12/2013 - 11/2016]: Procedure
- INSTALL EXHAUST MANIFOLD TO HEAD GASKET LH
- Install a new exhaust manifold to head gasket LH to the cylinder head sub-assembly.
- INSTALL AIR FUEL RATIO SENSOR (for Bank 1)
Refer to PROCEDURE - Step 1
- INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY LH (TWC: Front Catalyst)
- Temporarily install the exhaust manifold sub-assembly LH (TWC: Front Catalyst) with the 6 nuts.
- Using a 12 mm deep socket wrench, tighten the 6 nuts in the order shown in the illustration.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf)
- INSTALL NO. 2 MANIFOLD STAY
- Install the No. 2 manifold stay to the exhaust manifold sub-assembly LH (TWC: Front Catalyst) and cylinder block sub-assembly with the bolt and nut in the order shown in the illustration.
Torque: 34 N*m (347 kgf*cm, 25 ft.*lbf)
- Install the No. 2 manifold stay to the exhaust manifold sub-assembly LH (TWC: Front Catalyst) and cylinder block sub-assembly with the bolt and nut in the order shown in the illustration.
- INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR
- Install the No. 2 exhaust manifold heat insulator to the exhaust manifold sub-assembly LH (TWC: Front Catalyst) with the 3 bolts.
Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf)
- Install the No. 2 exhaust manifold heat insulator to the exhaust manifold sub-assembly LH (TWC: Front Catalyst) with the 3 bolts.
- INSTALL NO. 2 ENGINE OIL LEVEL DIPSTICK GUIDE
Refer to PROCEDURE - Step 16
- INSTALL AIR FUEL RATIO SENSOR (for Bank 2)
Refer to PROCEDURE - Step 4
- INSTALL FRONT EXHAUST PIPE ASSEMBLY
- Install a new gasket to the front exhaust pipe assembly.
- Install the front exhaust pipe assembly to the exhaust manifold sub-assembly LH (TWC: Front Catalyst) with the 2 nuts.
Torque: 56 N*m (571 kgf*cm, 41 ft.*lbf)
- Connect the heated oxygen sensor (for Bank 2) connector.
- Engage the 3 wire harnesses clamps.
- INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side)
- Install the No. 1 exhaust pipe support bracket with the 2 bolts.
Torque: 22 N*m (224 kgf*cm, 16 ft.*lbf)
- Install the No. 1 exhaust pipe support bracket with the 2 bolts.
- INSTALL EXHAUST MANIFOLD TO HEAD GASKET
- Install a new exhaust manifold to head gasket to the cylinder head sub-assembly.
- INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY RH (TWC: Front Catalyst)
- Using a 12 mm deep socket wrench, install the exhaust manifold sub-assembly RH (TWC: Front Catalyst) with the 6 nuts.
Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf)
- Engage the wire harness clamp.
- Connect the air fuel ratio sensor (for Bank 1) connector.
- Using a 12 mm deep socket wrench, install the exhaust manifold sub-assembly RH (TWC: Front Catalyst) with the 6 nuts.
- INSTALL MANIFOLD STAY
- Install the manifold stay to the exhaust manifold sub-assembly RH (TWC: Front Catalyst) and automatic transaxle assembly with bolt and nut.
Bolt
Torque: 34 N*m (347 kgf*cm, 25 ft.*lbf)
Nut
Torque: 35 N*m (357 kgf*cm, 26 ft.*lbf)
- Install the manifold stay to the exhaust manifold sub-assembly RH (TWC: Front Catalyst) and automatic transaxle assembly with bolt and nut.
- INSTALL FRONT NO. 3 EXHAUST PIPE SUB-ASSEMBLY
- Using a vernier caliper, measure the free length of the compression springs.
Minimum 41.5 mm (1.63 in.) If the free length is less than minimum, replace the compression spring.
- Temporarily install a new gasket to the front No. 3 exhaust pipe sub-assembly (center exhaust pipe assembly (TWC: Rear Catalyst) side).
- Using a plastic hammer and wooden block, tap in the gasket until its surface is flush with the front No. 3 exhaust pipe sub-assembly.
*1 Front No. 3 Exhaust Pipe Sub-assembly *2 Gasket *a Wooden Block NOTE:- Be careful with the installation direction of the gasket.
- Do not reuse the gasket.
- Do not damage the gasket.
- Do not push in the gasket by using the exhaust pipe when connecting it.
- Install 2 new gaskets to the front No. 3 exhaust pipe sub-assembly.
- Temporarily install the front No. 3 exhaust pipe sub-assembly with the 4 bolts, 2 nuts and 2 compression springs.
- Tighten the 2 bolts and 2 nuts.
Torque: 56 N*m (571 kgf*cm, 41 ft.*lbf)
- Tighten the 2 bolts and 2 compression springs.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)
HINT:
After installation, check that the space between the flanges of the center exhaust pipe assembly (TWC: Rear Catalyst) and front No. 3 exhaust pipe sub-assembly is consistent front-to-rear and left-to-right.
*1 Center Exhaust Pipe Assembly (TWC: Rear Catalyst) *2 Front No. 3 Exhaust Pipe Sub-assembly *3 Gasket *a Space between Flanges: 8.5 mm (0.335 in.) - Connect the heated oxygen sensor (for Bank 1) connector.
- Engage the 4 wire harness clamps.
- Using a vernier caliper, measure the free length of the compression springs.
- TEMPORARILY TIGHTEN PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY (for 4WD)
Refer to PROCEDURE - Step 1
- FULLY TIGHTEN PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY (for 4WD)
Refer to PROCEDURE - Step 2
- INSTALL FRONT FLOOR COVER LH
- INSTALL NO. 2 ENGINE UNDER COVER
Refer to PROCEDURE - Step 95
- INSTALL RADIATOR ASSEMBLY
Refer to INSTALLATION [12/2013 - 11/2016]
- INSPECT FOR EXHAUST GAS LEAK
See step 9