Rio5 L4-1.6L (2006)
2. Disconnect the front oxygen sensor connector.
3. Remove the front muffler heat protector (A).
Tightening torque: 7.8 - 11.8 Nm (0.8 - 1.2 kgf.m, 5.8 - 8.7 ft. lbs.)
4. Remove the front muffler (B).
5. Remove the stay (A) of the exhaust manifold and catalytic converter assembly.
6. Remove the heat protector (A).
