G6 V6-3.9L (2009)
5. If reinstalling the old HO2S, coat the threads with anti-seize compound GM P/N 12377953 or equivalent.
6. Install the HO2S (2) using the J 39194-B .
Tighten the sensor to 42 Nm (31 lb ft).
7. Connect the lower right HO2S electrical connector (2).
8. Install the CPA retainer (1).
9. Ensure that the HO2S connector clip (3) is attached to the stud on the engine.
10. Install the rear stabilizer shaft. Refer to Stabilizer Shaft Replacement (See: Steering and Suspension/Suspension/Stabilizer Bar/Service and
Repair/Rear Suspension).
11. 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).
12. Perform the engine mount position adjustment procedure. Refer to Engine Mount Position Adjustment (See: Engine/Drive Belts, Mounts,
Brackets and Accessories/Engine Mount/Adjustments).
13. Start the engine, and check for exhaust leaks.