Aura L4-2.4L Hybrid (2009)
4. Remove the HO2S (1), if necessary use the J 39194 .
Installation Procedure
Note: A special anti-seize compound is used on the heated oxygen sensor threads. The compound consists of a liquid graphite and glass beads. The
graphite will burn away, but the glass beads will remain, making the sensor easier to remove. New or service replacement sensors will have the
compound applied to the threads. If a sensor is removed and is to be reinstalled, the threads must have an anti-seize compound applied prior to
installation.
1. If necessary, coat the threads of the HO2S with anti-seize compound GM P/N 12377953 or equivalent.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
2. Install the HO2S (1), if necessary use the J 39194-C .
Tighten the sensor to 42 Nm (31 lb ft).