18 32 005 Removing and installing/replacing catalytic exhaust-gas converter (N14)
WARNING:
Burn risk!
Only perform these tasks after exhaust system has cooled down.
Only perform these tasks after exhaust system has cooled down.
Necessary preliminary tasks:
- Move front panel into ASSEMBLY POSITION .
NOTE:
The oxygen sensors are in danger of being damaged when the exhaust manifolds are removed and installed.
Remove CONTROL SENSOR
Remove MONITORING SENSOR
Release screw and remove holder (1).
Release screws and remove upper heat shield (1).
Tightening torque 11 65 7AZ
Release screws and remove lower heat shield (1).
Tightening torque 11 65 7AZ
Unscrew nuts.
Installation:
Replace nuts.
Tightening torque 18 31 3AZ
Unscrew nuts (1).
Tightening torque 18 31 4AZ
Loosen screws and nut.
Remove exhaust manifold (1).
Installation:
- Replace seal.
- Clean sealing surfaces.
- Apply a thin coat of copper paste to thread.
- Tightening torque 18 31 1AZ