Date: Fri, 10 Apr 2009 18:52:42 -0700
Reply-To: neil N <musomuso@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: neil N <musomuso@GMAIL.COM>
Subject: Re: "Whump whump" noise from front RH side.
In-Reply-To: <49DFECF0.6070309@charter.net>
Content-Type: text/plain; charset=ISO-8859-1
Thanks John.
I recall Frank C writing about a Yoko tire disintegrating on him.
This was some years ago IIRC and may have been a different model, but
the thought crossed my mind (and promptly got displaced by, uh, I
donno. Beer? ;)
I appreciate the heads up/reminder.
Neil.
On Fri, Apr 10, 2009 at 6:05 PM, John Rodgers <inua@charter.net> wrote:
> New tire or not - a tread beginning to loosen up will also cause a
> whump-whump-whump. Just happened on a lady friends Oldsmobile.
>
> John Rodgers
> 88 GL Driver
>
> neil N wrote:
>>
>> Hi all.
>>
>> Apologies in advance for such a long post.
>>
>> Problem:
>>
>> Turning left in circles, parking lot speed, driver window open,
>> passenger closed, I hear a subtle but audible and consistent "whump
>> whump whump..." from RH front. No noise turning circles in other
>> direction or driving at highway/city speeds.
>>
>> Didn't notice sound before I replaced a bunch of front end parts
>> (basically everything but upper control arm bushings and steering rack
>> and steering relay box)
>>
>> Prior to my work, new Yoko Y370's installed on "new" used 14" steel
>> wheels. A subtle vibration felt 50-60 MPH. Wheels rebalanced 2x. At
>> that time, was told (and saw) that at least one of the wheels fairly
>> out of round. One of my old wheels was swapped for the most out of
>> round wheel. But, new used rim still on RH front wheel. Vibration
>> remained at that time, but seems to be gone with the new parts I
>> installed. i.e. vibration could have been there before and/or was
>> exacperated due to worn front end parts.
>>
>> Could this sound indicate an out of round wheel? If not, what else
>> should I look for?
>>
>> Wheel bearings installed/adjusted on the bench and vehicle, but will
>> check bearing adjustments again though I doubt that is the issue.
>> Aside from slight drift to right at highway speeds, (I had to swap in
>> a used tie rod, fix radius arm hole, etc.) vehicle drives fine with no
>> other sounds or issues.
>>
>> Thanks much for any sage advice,
>>
>> Neil.
>>
>> --
>> Neil Nicholson '81 VanaJetta 2.0 "Jaco"
>>
>> http://tubaneil.googlepages.com/
>>
>>
>> http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines
>>
>>
>>
>
>
>
--
Neil Nicholson '81 VanaJetta 2.0 "Jaco"
http://tubaneil.googlepages.com/
http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines
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