Preheated oxygen sensor 2, OBD II; after catalytic converter (592Ra)
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Preheated oxygen sensor 2, OBD II; after catalytic converter (592Ra)
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1.
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Detach the oxygen sensor connector from the holder and unplug it.
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2.
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Cut the oxygen sensor cable fastening.
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4.
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Make a note of how the cable is run and remove it.
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Important
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The cables must not be twisted. Twisted cables exposed to vibration can break.
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The oxygen sensor is sensitive to impact and jolting and must be handled with care.
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5.
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Undo the oxygen sensor with a 22 mm dog-leg spanner or similar tool.
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1.
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Apply Molykote 1000 (part no. 30 20 971) or equivalent to the oxygen sensor threads. Fit the oxygen sensor and tighten it with a 22 mm dog-leg spanner.
Tightening torque 50 Nm (37 lbf ft)
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2.
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Carefully reposition the oxygen sensor cable.
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Important
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The cables must not be twisted. Twisted cables exposed to vibration can break.
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The oxygen sensor is sensitive to impact and jolting and must be handled with care.
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Important
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Chemicals such as contact spray and grease must not come into contact with the oxygen sensor connectors.
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4.
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Fasten the oxygen sensor cable.
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5.
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Plug in the oxygen sensor connector and attach it to the holder.
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