18 32 060 Removing and installing/replace catalytic converter for cylinders 4-6 (N54, N54T)
WARNING: This page is about a different variant/trim than selected.
WARNING:
Risk of burning!
This repair work may only be carried out on an exhaust system which has cooled down.
This repair work may only be carried out on an exhaust system which has cooled down.
Necessary preliminary tasks:
- Remove CATALYTIC CONVERTER for cylinders 1-3.
NOTE:
The oxygen sensors are in danger of being damaged when the catalytic converters are removed and installed.
Remove CONTROL SENSOR , cylinders 4 to 6.
Remove MONITORING SENSOR from cylinders 4 to 6.
Remove CONTROL SENSOR , cylinders 4 to 6.
Remove MONITORING SENSOR from cylinders 4 to 6.
Unfasten clamp. The clamp must be replaced every time it is removed.
Tightening torque 18 31 3AZ .
In so doing, secure catalytic converter (1) against falling out.
Feed out catalytic converter (1) and remove.
Installation note:
Clean sealing surface. Replace clamp and seal.
Align the catalytic converter with the connecting flange of the exhaust system and tighten.
Check exhaust system for leaks.
Reassemble the vehicle.