Removing and Installing/Replacing Rear Exhaust Manifold
18 40 060 Removing and installing/replacing rear exhaust manifold (N52T)Necessary preliminary work:
^ Remove complete exhaust system.
^ Remove reinforcement plate.
^ Remove rear underbody protection.
Note:
The oxygen sensors are in danger of being damaged when the exhaust manifolds are removed and installed.
Remove control sensor from cylinders 4 to 6.
Remove monitoring sensor from cylinders 4 to 6.
Unscrew nuts.
Remove exhaust manifold (1).
Installation note:
Clean sealing surfaces and replace seals.
Replace nuts.
Tightening torque 18 40 1AZ.
Assemble engine.
Check exhaust system for leak tightness.