17 11 031 Replacing Fan Cowl (S54)

Release screws (1).

Remove underbody protection.

Fig 1: Locating Underbody Protection Screws

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Release expansion rivets (1).

Remove intake hood (2) and intake pipe (3) in direction of arrow.

Fig 2: View Of Expansion Rivets

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Detach plug (1) from control unit for xenon light.

Remove cover (2).

Fig 3: Locating Plug From Control Unit For Xenon Light

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Release screws (1, 2, 3).

Remove control unit for left xenon light.

Remove intake filter housing.

Fig 4: Identifying Retaining Screws For Control Unit

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Lever out expansion rivets and lift out air ducts on left and right.

Lay left air duct, which is secured in place by coolant hose, to one side.

Fig 5: Removing Expansion Rivets

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Installation: 

Join lug (1) on left and right air duct in corresponding slot (2) in fan cowl.

Fig 6: Installing Lug In Corresponding Slot In Fan Cowl

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Remove fan clutch with fan impeller from water pump. Refer to 11 52 020 REMOVING AND INSTALLING/REPLACING FAN CLUTCH (S52 / S54 / M52 / M52TU / M54 / M56) .

Release screw (1).

Fig 7: Identifying Retaining Screw

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Release screw (1).

Detach fan cowl mounting at bottom left and right.

Fig 8: Locating Fan Cowl Mounting Screw

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Unlock plug (1) for AUC sensor and disconnect.

Unlock plug connection (2) for electric fan and disconnect.

Fig 9: View Of Plug For AUC Sensor

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Gently press fan cowl in middle at top towards rear and unhook guide lug.

Lift out fan cowl and fan impeller together.

Fig 10: Removing Fan Cowl And Impeller

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