Diff locks color tubing decoded

[Max Hoepli]

Just what is the blue tank seen by the front left passenger door behind the
hinges?


Max


----- Original Message ----- 
From: "Alex Kowalski" <hypereutectic1 at gmail.com>
To: <laraa at sympatico.ca>; <quattro at audifans.com>; <sparkplugvw at hotmail.com>
Sent: 08, March 2006 13:07
Subject: Re: Diff locks color tubing decoded


> The color coding for the 5 tube switch on the '84-88 5Ks are the same
except
> Orange = Red
>
> White: vacuum from engine
> Blue: rear unlock
> Yellow: rear lock
> Red: front unlock
> Green: front lock
>
> I assume from looking at the diagram that the "lock" tubes will cause the
> respective diaphragm actuators to EXTEND outward and the "unlock" tubes
> cause them to RETRACT.  Sorry I didn't make that clear yesterday.
> Louis-Alain, I've also attached the diagram to you, and another showing
> the connections between all parts of the system on the 5K.
>
> Also, the diagram on page 34.22 of the manual shows a "fuse" mounted
between
> the switch and the "branch piece."  What kind of "fuse" could this be?
I've
> never heard of a "vacuum fuse" before....!
>
> I'm dubious about the copyright legality of scanning entire pages from the
> Bentley into the Wiki, but if you want to do the 4K entry I'd be happy to
> add some info. for the 5K along with the tubing lengths.  Later today I
> could also do a quick diagram.
>
> Cheers,
> Alex
>
> Louis-Alain wrote:
>
> >I played with a rotary switch from a 4000Q and I think I found the
> >function of all the color tubes:
> <snip>
> >If someone can confirm, then it could be added to the wiki KB as a data
> >point.
> >Louis-Alain
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