Re: 3 more UrQ questions!

[Huw Powell <audi@mediaone.net>]

> 1) Above the oil pressure sending unit on the block there is another
> sending unit. There is no wire on it.. What does it do? Wheres the wire?

coolant temp??? the "other" oil pressure sender?

> 
> 3) The thermo-pneumatic valve has two outlets.. One side goes to my
> intake, what about the other side? (they are colored)

if it's the little one screwed into the block... probably the warm up
regulator, but through a rats' nest of hoses and check valves.

> 
> BONUS ROUND
> 
> 4) The vacuum plumbing under the fan motor for the injectors... how does
> it route? Where does it go?

sounds like the same answer as above.

there is a .gif of this plumbing on a n/a CIS car on my site url below,
might help a bit.

if that thermo vac switch is the one I think it is, it is for cold
engine WOT enrichment.

-- 
Huw Powell

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

82 Audi Coupe; 84 4kq; 85 Coupe GT; 73 F250

http://people.ne.mediaone.net/audi/thoughts.htm