Installation

2GR-FE EMISSION CONTROL: AIR FUEL RATIO SENSOR (for 4WD): INSTALLATION

INSTALLATION

1. INSTALL AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1)






(a) Using SST, install the sensor to the exhaust manifold LH.
SST: 09224-00010
Torque: 40 Nm (408 kgf-cm, 30 ft-lbf)
Torque: 44 Nm (449 kgf-cm, 32 ft-lbf)
- Use a torque wrench with a fulcrum length of 30 cm (11.81 in.).
- Make sure that SST and wrench are connected in a straight line.

(b) Connect the sensor connector.
2. INSTALL AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)






(a) Using SST, install the sensor to the exhaust manifold RH.
SST: 09224-00010
Torque: 40 Nm (408 kgf-cm, 30 ft-lbf)
Torque: 44 Nm (449 kgf-cm, 32 ft-lbf)
- Use a torque wrench with a fulcrum length of 30 cm (11.81 in.).
- Make sure that SST and wrench are connected in a straight line.

3. INSTALL EXHAUST MANIFOLD RH






(a) Install the exhaust manifold RH with a new gasket and 6 nuts.
Torque: 21 Nm (214 kgf-cm, 15 ft-lbf)






(b) Install the exhaust manifold stay with the nut and bolt.
Torque: 35 Nm (357 kgf-cm, 26 ft-lbf)
(c) Connect the air fuel ratio sensor (for Bank 1 Sensor 2) connector.
4. INSTALL CENTER EXHAUST PIPE ASSEMBLY






(a) Check compression springs.
(1) Check the compression springs using vernier calipers.
Specified length:
38.86 mm (1.5299 in.)
HINT: If the result is not as specified, replace the compression spring.





(b) Install the gasket.
(1) Install a new gasket by hand onto the front exhaust pipe assembly.
(2) Using a plastic hammer and wooden block, tap in the new gasket until its surface is flush with the front exhaust pipe.
NOTICE:
- Be careful with the installation direction of the gasket.
- Do not damage the gasket.
- Do not reuse the gasket.
- To ensure a proper seal, do not use the exhaust pipe to force the gasket on to the front exhaust pipe.

(c) Install 2 new gaskets to the front exhaust pipe assembly.






(d) Install the front exhaust pipe assembly with the 2 nuts and 2 bolts.
Bolt - Torque: 43 Nm (440 kgf-cm, 32 ft-lbf)
Nut - Torque: 62 Nm (632 kgf-cm, 46 ft-lbf)






(e) Install the center exhaust pipe assembly with the 2 compression springs and 2 bolts.
Torque: 43 Nm (438 kgf-cm, 32 ft-lbf)






(f) Attach the clip.
(g) Connect the heated oxygen sensor (for Bank 1 Sensor 2) connector.
5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
6. INSPECT FOR EXHAUST GAS LEAK