Tundra 2WD V6-4.0L (1GR-FE) (2005)
b. Install the exhaust manifold with the 6 nuts. Tighten the nuts uniformly in several steps.
Torque: 21 Nm (214 kgf.cm, 15 ft.lbf)
12. INSTALL A/F SENSOR (BANK 1)
a. Install the A/F sensor.
Torque: 44 Nm (450 kgf.cm, 33 ft.lbf)
b. Connect the A/F sensor connector.
13. INSTALL EXHAUST MANIFOLD LH
a. Set a new gasket to the LH cylinder head with the oval shape facing backward.
NOTE: Be careful of the installation direction.
b. Install the exhaust manifold with the 6 nuts. Tighten the nuts uniformly in several steps.
Torque: 21 Nm (214 kgf.cm, 15 ft.lbf)
14. INSTALL A/F SENSOR (BANK 2)
a. Install the A/F sensor.
Torque: 44 Nm (450 kgf.cm, 33 ft.lbf)
b. Connect the A/F sensor connector.
15. INSTALL MANIFOLD STAY
Install the 2 manifold stays with the 6 bolts.
Torque: 40 Nm (408 kgf.cm, 30 ft.lbf)