G6 V6-3.5L (2009)
10. Disconnect the rear HO2S electrical connector (2).
11. Install the rear HO2S CPA retainer (1).
12. Install the muffler assembly. Refer to Exhaust Muffler Replacement (LE5 With MH8) (See: Muffler/Service and Repair)Exhaust Muffler
Replacement (2.4L, 3.5L, and 3.9L) (See: Muffler/Service and Repair)Exhaust Muffler Replacement (LY7, LZ9) (See: Muffler/Service and
Repair).
13. Install the left catalytic converter nuts (1) at the exhaust manifold.
Tighten the nuts to 31 Nm (23 lb ft).
14. Start the engine, and check for exhaust leaks.