13 71 170 Air Duct, Rear

13 71 170 Removing And Installing Rear Air Duct (N54)







IMPORTANT:
Levering at the top of the air duct results in risk of damage.
Bayonet fitting on air duct may break.







Necessary preliminary tasks:
- Remove air duct to the front.
- Remove catalytic converter for cylinders 4-6
- Remove right charge-air duct.







Unlock hose (1) and detach.

IMPORTANT:
Release screw (2).
Do not remove air duct.
Risk of damage.
Bayonet fitting on air duct may break.







Remove vacuum unit (1) at exhaust turbocharger for cylinders 4-6.

IMPORTANT:
Unlock air duct (2) in clockwise direction.
First remove air duct (2) at exhaust turbocharger to the rear.
Thread out air duct and remove.







Installation note:
Make sure sealing ring (1) is correctly seated in exhaust turbocharger (2).







Check air duct for tightness.
Assemble engine.