Removing and Installing/Replacing Front Exhaust Manifold

18 40 050 Removing and installing/replacing front exhaust manifold (N51)





Necessary preliminary tasks:
^ Remove rear exhaust manifold





Note:
The oxygen sensors are in danger of being damaged when the exhaust manifolds are removed and installed.

Remove control sensor from cylinders 1 to 3.

Remove monitor sensor from cylinders 1 to 3.

Unscrew nuts.

Remove exhaust manifold (1).





Installation:
Clean sealing faces and replace seals.

Replace nuts.

Tightening torque 18 40 1AZ.





Reassemble the vehicle.

Check exhaust system for leaks.