13 90 506 Replacing left tank venting valve (S63)

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Necessary preliminary tasks:

Check stored fault message.
Switch off ignition.
Remove left CHARGE AIR COOLER .

Unlock connector (1) and remove.

Unlock hose (2) and detach.

Pull off tank vent valve (3) from holder.

Fig 1: Pulling Off Tank Vent Valve From Holder

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Unlock hose (1) on intake plenum and detach.

Feed out and remove tank vent valve.

Fig 2: Identifying Intake Plenum Hose

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NOTE: Read out the fault memory of the DME control unit.
Delete fault memory.