18 12 045 Replacing center silencer (B48)
WARNING: This page is about a different variant/trim than selected.
WARNING:
Risk of burning!
Only perform this repair work after engine has cooled down.
Danger of injury!
Call on the assistance of a second person to remove the center silencer.
Only perform this repair work after engine has cooled down.
Danger of injury!
Call on the assistance of a second person to remove the center silencer.
Necessary preliminary tasks:
- Use a suitable jack to support and secure the center silencer against falling.
Removal:
NOTE:
If the separation point is not marked by a punch mark in the pipe, determine the separation point by means of the pipe length on the new center silencer.
Carry over separation point to faulty center silencer and mark.
Secure center silencer against falling off.
Carry over separation point to faulty center silencer and mark.
Secure center silencer against falling off.
Cut through exhaust pipes at marked point with a suitable tool.
Remove screws (arrows).
Remove connection carrier (1).
Release clamp (1).
Replace clamp (1).
Parts: Clamp.
Lower and remove center silencer with assistance of a second person.
Installation:
Install new center silencer.
Tighten clamp (1).
Tightening torque 18 20 1AZ .
Adjust new center silencer and connect by clamp to rear silencer.
Center clamp and tighten down.
Tightening torque 18 20 3AZ .
Install connection carrier (1).
Tighten screws (arrows).
Tightening torque 18 30 4AZ .
Required follow-up work:
- Check exhaust system for leak tightness.