M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

Name this part....

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Old Aug 17, 2016 | 09:12 AM
  #1  
gaineserau's Avatar
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From: Woodstock, GA
2009 ML320 Bluetec
Name this part....




Hey all,

This is on the front right of my OM642 Bluetec. Just in front and to the right (looking under hood toward rear of car) of the oil cap. It has a black hose attached to the top side. At any rate, there is a very slow leak from this after the car sits for a while and it drops down on my belt and makes a mess. I presume it has a metal gasket under the cover of it....

Anyone know what it's called or have a part number or diagram? I've spent hours searching....

Thx!
J

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Old Aug 17, 2016 | 12:16 PM
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2012 S350 Bluetec 4MATIC; 2011 ML350; 2005 C230k;
This is vacuum pump.

You can just replace gasket.

Last edited by artim808; Aug 17, 2016 at 12:19 PM.
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Old Aug 17, 2016 | 12:27 PM
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From: Woodstock, GA
2009 ML320 Bluetec
Many, many thanks . New Gasket ordered!
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