Front exhaust system with three-way catalytic converter, V6
|
|
Front exhaust system with three-way catalytic converter, V6
|
|
Important
|
|
The oxygen sensor cable must not be of twisted type. Twisted cables exposed to vibration can break.
|
|
The oxygen sensor is sensitive to impacts and jolting and must be handled with care.
|
|
|
|
1.
|
Remove the front exhaust manifold's heat shield.
|
|
2.
|
Unbolt the front pipe from the turbo.
|
|
3.
|
Unplug the oxygen sensor's connector.
|
|
5.
|
Snip the cable tie securing the oxygen sensor cable. Note the way the cable is run and lower the cable.
|
|
6.
|
Separate the pipe joint between the front and rear exhaust systems.
|
Note
|
|
Removal of the front exhaust system will be easier if a cable tie, part No. 83 95 212, is fastened round the front pipe.
|
|
|
7.
|
Detach the front exhaust pipe from the rear exhaust manifold and lower away the front exhaust system.
|
|
8.
|
Remove the oxygen sensor.
|
|
Important
|
|
The oxygen sensor cable must not be of twisted type. Twisted cables exposed to vibration can break.
|
|
The oxygen sensor is sensitive to impacts and jolting and must be handled with care.
|
|
|
|
1.
|
Coat the oxygen sensor threads with Molycote 1000, part No. 30 20 971.
|
|
2.
|
Fit the oxygen sensor.
Tightening torque: 55 Nm (40.6 lbf ft).
|
|
3.
|
Fit the front exhaust pipe to the rear exhaust manifold.
Tightening torque: 40 Nm (29.5 lbf ft).
|
Note
|
|
Removal of the front exhaust system will be easier if a cable tie, part No. 83 95 212, is fastened round the front pipe.
|
|
|
4.
|
Fit the pipe joint between the front and rear exhaust systems.
Tightening torque: 22 Nm (16.2 lbf ft).
|
|
5.
|
Use a cable tie to secure the oxygen sensor cable. Carefully run the cable back to the oxygen sensor connector.
|
|
6.
|
Lower the car to the floor.
|
|
7.
|
Plug in the oxygen sensor connector.
|
|
8.
|
Bolt the front exhaust pipe to the turbo.
Tightening torque: 24 Nm (17.7 lbf ft).
|
|
9.
|
Fit the front exhaust manifold's heat shield.
Tightening torque: 24 Nm (17.7 lbf ft).
|
|
10.
|
Start the engine and check for leakage.
|
