4000 A/C Observations and questions

[Huw Powell]

> 4) Where is the Ambient temp switch which is on Tracks 204/5 of the Bentley?
> I could not find anything like this kind of device inside the car or under
> the hood?

with any luck you will find it attached to the fresh air inlet at the
passenger end of the plenum.

> 5) Where is the A/C Idle Stab. Valve on track 209 of the Bentley? 

Probably the same one as the ecu uses - in my vague understanding of
this (remember, i rip out AC first chance I get!), when you turn the AC
on it uses one of the three ISV pins (on the 3 pin units...) to
compensate for the extra load on the engine at idle.  I think...

-- 
Huw Powell

http://www.humanspeakers.com/audi/

http://www.humanthoughts.org/