18 10 031 Replacing rear silencer (N52K)
WARNING: This page is about a different variant/trim than selected.
WARNING:
Scalding hazard!
Only perform these tasks on an engine that has cooled down.
Only perform these tasks on an engine that has cooled down.
Necessary preliminary tasks
- Remove REINFORCEMENT PLATE from rear axle
- Remove left TENSION STRUT on rear axle
Support rear silencer with special tool 31 2 220.
NOTE:
If the cutting line is not marked by a punch mark in the pipe, determine the cutting line by means of the pipe length on the new rear silencer.
Carry over cutting line to faulty rear silencer and mark.
Cut through exhaust pipes at marked point with a suitable tool.
Carry over cutting line to faulty rear silencer and mark.
Cut through exhaust pipes at marked point with a suitable tool.
Unfasten nut.
Tightening torque 18 31 3AZ .
Slacken nut (1).
Tightening torque 18 31 4AZ .
Lower and remove rear silencer with assistance of a second person.
Installation:
Connect front silencer to rear silencer by means of clamp and align.
Centre clamp and tighten down.
Tightening torque 18 31 5AZ .
NOTE:
Check exhaust system for leaks.
Check rubber mount for damage.
If necessary, replace damaged rubber mounts.
Check rubber mount for damage.
If necessary, replace damaged rubber mounts.