Optima V6-2.7L VIN 4 (2007)
4. Remove the oil level gauge.
5. Remove the heat protector.
6. Remove the exhaust manifold assembly.
INSTALLATION
EXHAUST MANIFOLD ASSEMBLY
1. Install the exhaust manifold assembly with a new gasket.
Tightening torque: 29.4-34.3Nm (3.0-3.5kgf.m, 21.7-25.3lb-ft)
2. Install the heat protector.
Tightening torque: 16.7-21.6Nm (1.7-2.2kgf.m, 12.3-15.9lb-ft)
3. Install the front muffler assembly.
Tightening torque: 39.2-58.8Nm (4.0-6.0kgf.m, 28.9-43.4lb-ft)
4. Connect the oxygen sensor connector.
5. Install the under cover.
