Exhaust Pipe: Service and Repair

18 12 090 Replace front intake pipe (N55)





Special tools required:
^ 31 2 220





Warning!
Risk of burning!
Only perform these tasks after exhaust system has cooled down.

Support front silencer with special tool 31 2 220 and a suitable universal lifter.








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 front intake pipe.

Carry over cutting line to defective front intake pipe and mark.

Secure front intake pipe against falling off.

Cut through exhaust pipes at marked point with a suitable tool.





Release clamp (1).

Tightening torque 18 31 1AZ.

Installation Note:





Install front intake pipe to fit and connect with clamps.

Center clamps and tighten down.

Tightening torque 18 31 8AZ.





Note:
Check exhaust system for leaks.