xB L4-1.5L (1NZ-FE) (2004)
e. Remove the gasket from the exhaust manifold.
f.
Remove the 2 heated oxygen sensors.
6. INSTALL EXHAUST PIPE ASSY FRONT
a. Install the 2 heated oxygen sensors.
Torque: 44 Nm (449 kgf-cm, 32 ft. lbs.)
b. Using vernier calipers, measure the free length of the compression spring.
Minimum length: 40.5 mm (1.594 in.)
If the minimum length is not as specified, replace the compression spring.
c. Using a plastic-faced hammer and a wooden block, tap in a new gasket until its surface is flush with the exhaust manifold.