9-3 Coupe (9400) L4-2.0L Turbo (B204) (1999)
The leads must not be twisted. The oxygen sensor is sensitive to knocks and blows and must be handled with care.
3
Remove the lower cable clamp and oxygen sensor.
Raise the car.
4
Loosen the joint between the front exhaust pipe and the middle pipe.
5
Unscrew the front exhaust pipe from the turbocharger.
6
Detach the exhaust pipe from the rubber mounting on the engine subframe and lower the exhaust pipe.
To fit
1
Clean the joints.
2
Position the front exhaust pipe and secure it to the turbocharger. Before fitting, lubricate the three studs on the turbocharger with Molycote 1000,
part No. 30 20 971.
Tightening torque: 25 Nm (18.5 lbf ft)
3
Attach the exhaust pipe to the engine subframe with the rubber mountings from the catalytic converter. If necessary, use new rubber bushes.
4
Screw together the joint at the intermediate pipe, using a new clamp.
Tightening torque: 20 Nm (15 lbf ft)
IMPORTANT
To avoid leakage, use new clamps when tightening the joints.
5
Lower the car to the floor.