Removing and Installing/Replacing Front Exhaust Manifold

18 40 050 - Removing and installing/replacing front exhaust manifold (N52, N52K)





Necessary preliminary tasks:
- Remove rear exhaust manifold Removing and Installing/Replacing 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 18 40 Exhaust Manifold.
Add final details to vehicle.
Check exhaust system for leaks.