Removing and Installing/Replacing Rear Left Charge-Air Duct (N54)

11 61 368 - Removing and installing/replacing rear left charge-air duct (N54)





Necessary preliminary tasks:
- Switch off ignition
- Remove intake filter housing Service and Repair





Important!
Charge-air hoses with clamp fastenings must be installed dry and free from grease!
If charge-air hoses with clamp fastenings are not installed dry and free from grease, this may result in turbocharger failure!





Loosen hose clamp.
Tightening torque 13 71 6AZ 13 71 or 72 Air Intake Silencer.

Installation:
Install charge-air hoses dry and free from grease.

Detach charge-air hose (1) from charge-air duct (2).





Release quick-connect couplings (1) by turning lock through 90°.
Detach recirculated-air hoses (2) and lay to one side.





Installation:
Bring lock (1) back 90° into installation position.
Pay attention to markings.
Recirculated-air hoses must snap audibly into place.





Unlock plug (1) and remove.





Important!
Coat sealing rings of quick-connect couplings with antiseize agent.
Pressure pipes cannot be fitted without antiseize agent!





Release screw.
Tightening torque 13 71 4AZ 13 71 or 72 Air Intake Silencer.
Unlock quick-connect coupling (1).
Detach charge-air duct (2) from throttle valve assembly and remove.

Installation:
Coat sealing ring of quick-connect coupling with antiseize agent.
Charge-air duct (2) must snap audibly into place.





Assemble engine.
Read out fault memory of DME control unit