Help identify a switch/regulator

[Huw Powell]

There's a schematic of the CIS vacuum system here:

http://audi.humanspeakers.com/vacuum-system.htm

Huw

On 5/2/2014 5:40 PM, Marco Weibel wrote:
> John and Tony,
>
> Thats the part !
>
> Finally i had some time to trace the lines...
>
> In my case that thermo-switch gets vacuum from the amplifier and sends it to a vacuum actuator which is bolted to the front of the intake manifold (intake tube for cyl.1) the actuator can open the intake manifold to... hold on ... you've got to be k ... to a broken off 1/2 inch dia metal pipe !
> Pointing somewhere towards the airfilter box. I never took any closer attention to that corner of the engine bay. The car runs fine for that matter.
>
> Am i possibly missing some pollution control items ?
> The space between the exhaust manifold and the airfilter box is pretty empty. I know there was the compressor for the AC once.
> What else ?
>
>
>
>
> On 2014-05-02, at 3:01 PM, John Larson <viejoloco at comcast.net> wrote:
>
>> On 5/2/2014 7:03 AM, Marco Weibel wrote:
>>> Yesterday I was replacing a brake line from the master on the 84 CGT. As the fitting was rotten and rounded i used vice-grips with success...
>>
>> ....................... snip ...............................................
>>> This morning I invested an hour on the www to find out what that part is without luck.
>>>
>>> It is screwed in the block at the hight of cyl #5 and has two vacuum-line spigots protruding in a 'V' shape.
>>>
>>> What is this part called and what is its function ?
>>>
>>>
>>>
>>> Marco Weibel
>>>
>>>
>>> Hi, Marco.  What color is the plastic part?  It's a vacuum temperature switch.  Over the years I've been doing this work, I've had about zero luck fixing them.  I have a few laying around, maybe I can help you.
>>
>> John
>>>
>>>
>>>
>>>
>>> Sent from my iPhone
>>
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