9-3 Arc/Aero (9440) L4-2.0L Turbo (2.0 T) (2004)
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1. Fit the oil pressure switch with new steel and wipe away any spilled oil.
Tightening torque 18 Nm (13 ft lbs).
2. Plug in the connector.
3. Remove the receptacle.
4. Connect an exhaust extractor and start the engine to check its function.
5. Switch OFF the engine.
6. Replace the upper engine cover (1).
