REMOVING AND INSTALLING/REPLACING FRONT EXHAUST MANIFOLD (N52K)
Necessary preliminary tasks:
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).

Fig. 15: Locating Nuts
Installation:
Clean sealing faces and replace seals.
Replace nuts.
Tightening torque, 18 40 1AZ.

Fig. 16: Locating Seal Beads
REMOVING AND INSTALLING/REPLACING REAR EXHAUST MANIFOLD (N52K)
Necessary preliminary tasks:
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 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.
Exhaust System, Complete
Mufflers
In the vicinity of the steering wheel
Instructions For Opening And Replacing Parts In Refrigerant Circuit