13 90 500 Replacing tank venting valve (N20)

Necessary preliminary tasks: 

• Check stored fault message.
• Switch off ignition.

Unlock tank ventilation line (1) at T-piece, pull off and unclip from the clamp (2).

Fig 1: Identifying Tank Ventilation Line And Clamp

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Unlock connector (1) and remove.

Unlock tank ventilation line (2) and disconnect.

Unlock tank ventilation line (3) on throttle body and disconnect.

Detach tank vent valve (4) from bracket and remove.

Fig 2: Removing Tank Vent Valve

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