[200q20v] Re: [V8] just out of curiosity (UFO question)...

Bernie Benz b.m.benz at prodigy.net
Fri Feb 2 12:11:16 EST 2001

I still think you're supposed to drive it in flush every time you change

> From: Brett Dikeman <brett at pdikeman.ne.mediaone.net>
> Date: Fri, 2 Feb 2001 09:17:39 -0500
> To: Phil Rose <pjrose at frontiernet.net>, 200q20vataudifans
> <200q20v at audifans.com>
> Cc: v8 at audifans.com
> Subject: [200q20v] Re: [V8] just out of curiosity (UFO question)...
> At 10:19 AM -0500 2/1/01, Phil Rose wrote:
>> So--the conclusion is that this "thing"** is a "vibration damper",
>> i.e., a counterweight used/needed to alter the resonant frequency of
>> the caliper. Well, then that seems to tell us that Audi knew there
>> was a special "problem" with the UFO design pretty much right out of
>> the box, so-to-speak.
> Uh...this little widget thing accompanies many calipers I've seen,
> Audi and otherwise.
> Also, it wouldn't compensate for pedal pulsing.  Pedal pulsing is a
> "big" thing; look at the size of that little widget and tell me
> that's supposed to counteract that.  Nope.  It's also way too low a
> frequency; the length of the shaft is short, stiffness of the rod is
> quite high, and the mass at the end is very small. Ding the widget
> with a hammer some time.  I guarantee you'll get a "boing", and not a
> wooob....wooob....wooob noise akin to pedal pulsation.  It probably
> counteracts the high frequency ring/squeal you sometimes get when
> coming to a stop(very soft, because maybe the widget is doing its
> stuff?)
> Take it off some time and find out, who knows.  I didn't see any
> warnings in the Bently about "do not remove wenig widgetsache*
> sticking out of caliper!"(of course, you run the risk of disabling
> your left brake light and your glovebox while it's off.)
> Wow, this is amazing.  I can actually post to the v8q list
> withou....oh wait, it's not the v8q list...
> Brett
> *"little widget thing", translated to german, according to babelfish
> -- 
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