13 71 160 Removing and installing/replacing front air duct (N54)

Necessary preliminary tasks 

• Remove FAN COWL
• Draining COOLANT

Unlock and remove coolant hose (1).

Release quick-connect coupling (2) by turning lock and detach.

Release hose clamp and detach air duct (3).

Tightening torque 13 71 5AZ .

Fig 1: Locating Hose Clamp And Air Duct

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Installation 

Turn lock (1) back until arrow markings are flush.

Push air hose onto air duct.

Air hose must audibly snap into place.

Fig 2: Turn Lock (1) Back Until Arrow Markings Are Flush

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Release bolts and detach coolant hose (1).

Tightening torque 11 53 6AZ .

Installation: 

Check sealing ring.

Replace damaged sealing ring.

Fig 3: Locating Bolts And Coolant Hose

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Unfasten screws (2).

Tightening torque 13 71 6AZ .

Unclip A/C line (1) from holder.

Unlock and detach coolant hose (2) from coolant thermostat and release from holder (4).

Release coolant hose (3) from holder (4) and lay downwards to one side.

Fig 4: Identifying Coolant Hose From Holder

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Fig 5: Detaching Air Duct From Turbocharger

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Detach air duct (1) in direction of arrow.

Installation 

Check sealing ring (1) for damage.

Replace damaged sealing ring.

Make sure sealing ring (1) is correctly seated in air duct (2).

Fig 6: Identifying Sealing Ring And Air Duct

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