Removing and Installing/Replacing Rear Exhaust Manifold

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





Necessary preliminary tasks:
- Remove front underbody protection Removing and Installing / Replacing Front Assembly Underside Protection

- Remove rear underbody protection [1][2]51 47 491 Removing and Installing/Replacing Rear Underbody Protection

- Remove steering gear cover [1][2]51 71 ... Removing and Installing/Replacing Top Right Steering Gear Cover at top right

- Remove complete exhaust system 18 00 020 Removing and Installing Complete Exhaust System





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 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.