G6 V6-3.9L (2009)
5. Remove the exhaust manifold heat shield.
6. Remove the right (rear) catalytic converter nuts (1).
7. Remove 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).
8. Remove the rear stabilizer shaft. Refer to Stabilizer Shaft Replacement (See: Steering and Suspension/Suspension/Stabilizer Bar/Service and
Repair/Rear Suspension).
9. Remove the connector position assurance (CPA) retainer (1).
10. Disconnect the HO2S electrical connector (2).