S40 L4-1.9L Turbo VIN 29 B4204T3 (2001)
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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
NOTE: Adjust wiring connections so that it does not come into contact with the exhaust system.
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Route cable and tighten at 3 places
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Connect connector and tighten cable to bracket
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Reinstall relay cover.
Replace the Front Heated Oxygen Sensor (HO2S)
Replace The Front Heated Oxygen Sensor (HO2S)
Removing the wiring for the heated oxygen sensor (HO2S)