WIS Document: 8231

| | Replacement of oxygen sensor | 1. | Disconnect the oxygen sensor's cables, undo the cable clamp and the clip and lift up the car. | Important | Do not twist the cables. The oxygen sensor is very sensitive to blows and impacts and must be handled with care. | | 2. | Remove the oxygen sensor. | 3. | Take out the new oxygen sensor and apply Molycote 1000 (30 20 971) on the threads to prevent seizure. | Important | It is important that the connection between the oxygen sensor and the nipple is impervious to gas. | | 4. | Fit the oxygen sensor. Tightening torque 55 Nm (41 lbf ft). | 5. | Lower the car, reconnect the cables and fit the hose clamp and the clip.