RL V6-3.7L (2009)
Oxygen Sensor: Service and Repair
Secondary HO2S Replacement
Secondary HO2S Replacement
Special Tools Required
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O2 sensor socket wrench, Snap-on YA8875 or SWR2, or equivalent, commercially available
Front Bank (Bank 2)
1. Disconnect the front secondary HO2S 4P connector (A), then remove the front secondary HO2S (B) with an O2 sensor socket wrench.
2. Install the parts in the reverse order of removal.
Rear Bank (Bank 1)
1. Disconnect the rear secondary HO2S 4P connector (A), then remove the rear secondary HO2S (B) with an O2 sensor socket wrench.
2. Install the parts in the reverse order of removal.
