LaCrosse V6-3.8L (2009)
Caution: Refer to Heated Oxygen Sensor Resistance Learn Reset Caution (See: Service Precautions/Heated Oxygen Sensor Resistance Learn
Reset Caution).
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
Note: A special anti-seize compound is used on the oxygen sensors (1) threads. New service sensors should already have the compound applied to
the threads. Coat the threads of a reused sensor with anti-seize compound GM P/N 12377953 or equivalent.
1. Install the HO2S (2) to the right exhaust manifold.
Use the J 39194 to tighten the HO2S to 42 Nm (31 lb ft).
2. Install the HO2S electrical connector (1) to the fuel injector sight shield bracket.
3. Connect the HO2S electrical connector (1).
4. Install the HO2S retaining clip.
5. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (See: Fuel Delivery and Air Induction/Fuel Injector/Service
and Repair/Removal and Replacement/Fuel Injector Sight Shield Replacement).
