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davidohious
Samba Member
Joined: September 15, 2012
Posts: 95
Location: north lawrence, ohio
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 Posted: Tue Oct 20, 2015 4:25 pm Post subject: 1990 cabriolet vaccum hoses? |
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| on my cabriolet i had an object attached to the underside of the hood which was black and like a bunch of hollow ball attached together with some hoses running into it. was is this thing for and does it need to stay? i had the hood repainted and the guy took it off when he took the hood off to paint it and didn't put it back on and the hoses are laying free and he doesn't remember how they went back and didn't think it was a necessary item (a vw guy he is not). What should i do? thanks |
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ps2375
Samba Member
Joined: April 24, 2014
Posts: 2471
Location: Meridian,ID
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| Posted: Tue Oct 20, 2015 6:26 pm Post subject: |
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| It is a vacuum reservoir, mainly used to actuate the flaps in the HVAC system. A Bently manual should have the hose configuration diagram in it. |
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kamzcab86
Samba Moderator
Joined: July 26, 2008
Posts: 7924
Location: Arizona
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| Posted: Wed Oct 21, 2015 12:34 pm Post subject: |
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| ps2375 wrote: |
| A Bentley manual should have the hose configuration diagram in it. |
It does, and it's incorrect... the in-dash section anyway.
OP should really bookmark this site: http://www.cabby-info.com/ . 
If you wish the HVAC system to work correctly, you need to reinstall the reservoir and hoses.
http://www.cabby-info.com/engine.htm#Vacuum
http://www.cabby-info.com/hvac.htm
Next question: Where/how does the reservoir mount?
Answer:
To give a cleaner look and to get the tubing out of the way, route the tubing through the hood as ^modeled by my '86.
You don't need to mount the reservoir to the hood, but that's where the factory put it.
_________________
~Kamz 
1986 Cabriolet: www.Cabby-Info.com
 1990 Vanagon Westfalia: Old Blue's Blog
2016 Golf GTI S
"Real knowledge is to know the extent of one's ignorance." - 孔子 |
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