[urq] RE : alternator whine - SOURCE determined!!

[Huw Powell]

> Ahh interesting thought - yeah the cover from both my urq and 200 alts
> does not fit this one - bolt holes don't line up.  The cover is missing
> in this case.

I noticed on a 5k I took apart once that the alternator had a bunch of 
ducting stuff to, I suppose, help it keep cool.  Probably because it was 
mounted close to the exhaust manifold?  Not so important on a cool side 
mounting.

> In ETKA, the tin-metal back cover (à la urQ and 200q20v) is called an
> "intake cover". So, does the air enter from the back to be pulled
> through the body towards the front and exhausted by the fan? If so, then
> maybe the source of the noise is in the absence/presence of said cover ?

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/