Re: [tech] noise diagnosis

["RoccoPhil" <roccophil@mindspring.com>]

Never heard of 'gurgling' before, but it's all relative.  My guess is that
it's a CV at the least.  You should probably just get a reman axle and be
done with it, then you can diagnose the wheel bearing.  Alternatively, find
somewhere that you can make a wide sweeping left turn at about 35 mph and
see if that bearing whines.

-PK


> Okay my '86 8V has been making front end noises since I bought it, and
> though I suspect the wheel bearings and outer CVs need fixing, I'd like to
> see what others think.
>
> The first noise is an annoying "gurgling" noise that happens around 30-50
> mph, typically when I'm coasting or slowing down gradually. It comes from
> the right front wheel area. I can't tell if it gets worse on a turn since
> I don't generally make tight turns at that speed... It almost sounds like
> something is resonating, but I don't think that's it. The noise is loud
> enough to hear, but hard to pinpoint.
>
> The second noise happens when I turn, right or left. It's a
> "tick-tick-tick" noise, coming from the outside wheel of the turn. I'm
> pretty sure this is the outside CV (I'm thinking of just replacing the
> whole drive shaft, including the inner and outer CVs, and be done with
> it).
>
> How can one tell if the wheel hub needs replacing? I've had that first
> noise for as long as I've owned the car (over a year) and it could have
> been happening for a long time, for all I know. It doesn't sound like the
> noise a failed wheel bearing would make, based on what I've read, so I'm
> hoping the hub is in okay condition. I suppose I could just replace the
> hubs and be sure; they aren't too expensive.
>
> Thanks!
>
> Oliver Seiler -- Software Developer, Pivotal Software,
http://www.pivotal.com
>             Scirocco MkII Diary - http://osroc.weblogs.com
>
>
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