[V8] Gearbox/cruisecontrol/air recirc problem

[Buchholz, Steven]

... there is no connection of any kind between the cruise control vacuum
plumbing and that for the HVAC system.  The former uses a separate pump and
the latter makes do with accumulated manifold vacuum.  I don't know anything
about V8 automatic transmissions, but I don't believe that any vacuum is
used there at all.  

On the fuel tank thing ... are you sure that it isn't above atmospheric
pressure that is being released?  I have seen that on a number of Audis I
own ... 

Steve B
San Jose, Kaleefohnia (USA)
> 
> OK - I think I can translate this :-)
> 
> Quoting Peter Littlewood <littlepete at freeuk.co.uk>:
> 
> > Hello 
> > Have had a problem for a while with the cruise control not 
> working, this
> > packed up the same time as the air con recirculator button 
> (which now
> > doesn't seem to do anything) 
> > I seem to remember someone else having similar problems a while back
> > (possibly relating to the auto transmision) if this jogs 
> any memorys I'd
> > be grateful for any feed back.
> 
> We didn't get the re-circ button, but I would guess that the 
> same spring that 
> breaks on the re-circ door here would bite you too. If the 
> A/C system uses the 
> same vacuum pump as the cruise control, that might be a common thread.
> 
> 
> > My transmision did throw a selection wobbly about 20k ago 
> but seems to
> > have sorted itself out.
> 
> I have no clue what a selection wobbly is, but I am glad it 
> is better now
> 
> > One last question, is it normal for a vacuum to form in the 
> fuel tank
> > when running low on petrol? Often get a wooshing sound when 
> I undo the
> > cap.
> 
> You might have a look at the tank purge system. I never 
> notice noise on mine 
> when I remove the cap, but it is pretty common on most cars.