Exhaust System: Service and Repair

18 00 020 - Removing and installing complete exhaust system (N54)





Special tools required:
- 31 2 220





Warning!
Scalding hazard!

These tasks should only be carried out on an exhaust system that has cooled down.

Important!
Removal of the exhaust system must be carried out with the assistance of a second person.





Necessary preliminary tasks:
Remove tension strut

Support exhaust system with jack and special tool 31 2 220 and secure against falling out.





Unscrew nuts.

Installation Note:
Replace self-locking nuts.

Replace seal.

Tightening torque 18 00 1AZ [1][2]18 30 Exhaust Pipe with Catalytic Converter / Complete System.





Release bolt and remove bracket (1).

Tightening torque 18 20 1AZ 18 20 Exhaust System Suspension.





Unfasten nut.

Tightening torque, 18 00 4AZ [1][2]18 30 Exhaust Pipe with Catalytic Converter / Complete System





Release screws.





Unscrew nuts.

Tightening torque, 18 00 2AZ [1][2]18 30 Exhaust Pipe with Catalytic Converter / Complete System





Unfasten nut.

Picture shows right bracket, procedure for left side is identical.





Disconnect pressure hose. Unscrew nuts.

Tightening torque, 18 00 6AZ [1][2]18 30 Exhaust Pipe with Catalytic Converter / Complete System





Installation Note:
Check exhaust system for leaks.