A3 Quattro V6-3.2L (CBRA) (2009)
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Disconnect electrical harness connector - 1 - for Heated Oxygen Sensor (HO2S) 2 (G108) or - 2 - for Heated Oxygen Sensor (HO2S) (G39).
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Free up electrical wires to oxygen sensors.
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Remove Heated Oxygen Sensor (HO2S) 2 (G108) - 1 - or Heated Oxygen Sensor (HO2S) ( G39) - 2 -.
Installing
Installation is in reverse order of removal, noting the following:
‹› New oxygen sensors are coated with assembly paste; the paste must not get into slots of oxygen sensor body.
