Removing and Installing/Replacing Rear Exhaust Manifold

18 40 060 - Removing and installing/replacing rear exhaust manifold (N52K)





Necessary preliminary tasks:
- Remove right tension strut 51 71 371 Removing and Installing/Replacing Tension Strut on Left or Right Spring Strut Dome

- Remove front underbody protection 51 47 490 Removing and Installing/Replacing Front Underbody Protection

- Remove rear underbody protection 51 47 491 Removing and Installing/Replacing Rear Underbody Protection

- Remove complete exhaust system Service and Repair





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

Remove control sensor 11 78 513 Replacing Both Oxygen Control Sensors from cylinders 4 to 6.

Remove monitor sensor 11 78 545 Removing and Installing/Replacing Monitor Sensor from cylinders 4 to 6.





Unscrew nuts.
Remove exhaust manifold (1).

Installation:
Clean sealing faces and replace seals.
Replace nuts.
Tightening torque 18 40 1AZ 18 40 Exhaust Manifold.





Assemble engine.
Check exhaust system for leaks.