18 12 046 Replacing front silencer (N20)
WARNING: This page is about a different variant/trim than selected.
Special tools required:
- 31 2 220
WARNING:
Risk of burning!
Only perform this repair work after the exhaust system has cooled down.
Only perform this repair work after the exhaust system has cooled down.
Support front silencer with special tool 31 2 220 and a suitable universal lifter, and secure against falling down.
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 front silencer.
Carry over separation point to faulty front silencer and mark.
Secure front silencer against falling out.
Cut through exhaust pipes at marked point with a suitable tool.
Carry over separation point to faulty front silencer and mark.
Secure front silencer against falling out.
Cut through exhaust pipes at marked point with a suitable tool.
Release clamp (1).
Tightening torque 18 31 1AZ .
Release screws (1).
Tightening torque 18 31 6AZ .
Installation note:
Connect front silencer to rear silencer by means of clamps and align.
Center clamps and tighten down.
Tightening torque 18 31 4AZ .
NOTE:
Check exhaust system for leaks.
Check rubber mounts, replace damaged rubber mounts.
Check rubber mounts, replace damaged rubber mounts.