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I have a vacuum line that is secured to the oil dipstick which is disconnected. Since the Bentley manuals do not have a vacuum hose routing diagram, does anyone know where this hose connects to?
 

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Did you get an answer?

I have the exact same question. A dangling hose that I don't know where to connect to. The hose is attached to a bracket that is anchored on to the dipstick.
 

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Yes. It's a breather tube of some sort, not connected to anything. I remember that it has something perhaps to do with the transfer case for the all wheel drive system. Same tube doesn't exist in 2 wheel drive cars with same engine.
 
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