Removing and Installing/Replacing Left Exhaust Manifold

18 40 010 - Removing and installing/replacing left exhaust manifold (N63)






Warning!
Scalding hazard!
Only perform these tasks on an engine that has cooled down.






Necessary preliminary tasks:
- Remove left turbocharger 11 65 030 Removing and Installing/Replacing Exhaust Turbocharger, Left, Cylinders 5-8.
- Remove right turbocharger 11 65 025 Removing and Installing/Replacing Exhaust Turbocharger, Right, Cylinders 1-4.
- Remove alternator Service and Repair






Release screws (1).
Tightening torque 18 31 4AZ 18 31 Exhaust System






Release screws (1).
Tightening torque 18 31 4AZ 18 31 Exhaust System
Remove heat shield (2).






Release screws (1).
Tightening torque 18 31 4AZ 18 31 Exhaust System
Remove heat shield (2) at rear left.






Unscrew nuts.
Replace nuts.
Tightening torque 18 31 3AZ 18 31 Exhaust System
Remove exhaust manifold (1).

Installation Note:
Replace seal (2).






Installation Note:
Replace gaskets (1).
Seal beads faces the exhaust manifold.
Coat threads with copper paste.






Assemble engine.
Check exhaust system for leaks.