S40 L4-1.9L Turbo VIN 29 B4204T3 (2001)
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Apply rust removing agent
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Remove heated oxygen sensor (HO2S)
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Remove the sealing ring.
Installing heated oxygen sensor (HO2S)
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Install a new seal ring. Apply copper paste (P/N 1161035-9) to the entire thread length.
Tighten heated oxygen sensor (HO2S) to 55 Nm
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Place cable upwards
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Lower the car for the rear (lower) sensor.
Installing heated oxygen sensor (HO2S) cable and connector
