9-3 Arc/Aero (9440) L4-2.0L Turbo (2.0 T) (2004)
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1. Lubricate the threads sparingly with 30 20 971 Screw-thread paste and fit the oxygen sensor.
Tightening torque 40 Nm (30 ft lbs).
2. Plug in the oxygen sensor connector and secure it.
3. Fit the turbocharger heat shield (note the clip underneath the heat shield).
