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Mystery capped off vacuum hose found..

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Old 07-18-2011, 11:24 AM
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Default Mystery capped off vacuum hose found..

Anyone any idea what this is for and where its meant to be connected?

[Capped hose with large bolt to the right of image]
Old 07-18-2011, 01:56 PM
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I love a mystery. Although I recognize approximately where this is, the photo is just a wee bit close to identify surrounding parts.
Being a 98 Euro S8, I don't know what engine this is ....32 or 40V? ...3 letter code?
Does the car have cruise control? ...or maybe used to?
Old 07-18-2011, 02:42 PM
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It looks like the trans vent cap. It should have a check ball in it. If you shake it and it rattles then it is your trans vent hose.
Old 07-18-2011, 03:25 PM
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Its a 32v AHC engine. The hose comes from way down under the car going back towards the middle, where the Tranny is, so Tozo may be onto something.

Not that some of the hoses in the image are coolant hoses for the LPG fuel system on this car. The car has cruise control, which stopped working about 3wks after I picked up the car (though this may have been caused by a torn hose on top of the TB, just fixed didnt test yet).


Originally Posted by silverd2
I love a mystery. Although I recognize approximately where this is, the photo is just a wee bit close to identify surrounding parts.
Being a 98 Euro S8, I don't know what engine this is ....32 or 40V? ...3 letter code?
Does the car have cruise control? ...or maybe used to?
Old 07-19-2011, 10:04 AM
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It is trans vent hose.
Old 07-19-2011, 01:37 PM
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Should I be concerned its blocked off?
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