13 71 170 Removing air duct (N55)

Necessary preliminary tasks:

Unlock connector (1) and remove.

Release screw (2).

Pull off engine vent line (3) from air duct.

Fig 1: Identifying Engine Vent Line Connector And Screw

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Release screw (1).

Tightening torque: 13 71 2AZ .

Slacken nut (2).

Tightening torque: 13 71 3AZ .

Pull off air duct (3) from exhaust turbocharger, feed out and remove.

Fig 2: Identifying Exhaust Turbocharger Air Duct Screw And Slacken Nut

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Assemble engine.