G6 V6-3.9L VIN 1 (2006)
Remove the HO2S using the J39194-B.
6. Remove the exhaust manifold heat shield bolts.
7. Remove the exhaust manifold heat shield.
8. Remove the upper exhaust manifold bolts.
9. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
10. Remove the left catalytic converter.
11. Remove the lower exhaust manifold bolts.
12. Remove the exhaust manifold.
13. Remove and discard the exhaust manifold gasket.
Installation Procedure