Exhaust System: Service and Repair

18 00 020 Removing and installing complete exhaust system (N16, N18)







WARNING:
Danger of burning and other injuries.
This repair work may only be carried out on an exhaust system which has cooled down.
Removal of the exhaust system must be carried out with the assistance of a second person.







Support exhaust system (1) with a suitable jack (2).
Secure exhaust system against falling off.







Unfasten clamp.
Tightening torque 18 31 5AZ.







Unscrew nuts (1).
Tightening torque 18 31 7AZ.







Release screws (1).
Tightening torque 18 31 9AZ.
Remove reinforcement plate (2) and reinforcement strut (3).

NOTE: Loosen nuts (4) only if replacing exhaust system.

Tightening torque 18 31 8AZ.







Vehicles with four-wheel drive only:
Release screws (1).
Tightening torque 33 31 4AZ.
Remove stiffening strut(2).







Release screws (1).
Tightening torque 18 31 10AZ.
Remove reinforcement plate (2).







Unscrew nuts (1).
Tightening torque 18 31 11AZ.

N18 only:
Release nuts (1) on rear silencer on left and right.
Tightening torque 18 31 11AZ.
Lower and remove exhaust system with assistance of a second person.







NOTE: Check rubber mount for damage. Replaced damaged rubber mounts.