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Date:         Sun, 26 Nov 2006 11:05:16 -0500
Reply-To:     mordo <helmut.blong@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         mordo <helmut.blong@GMAIL.COM>
Subject:      Re: Unidentifiable sound
Comments: To: ROBERT DONALDS <donalds1@verizon.net>
In-Reply-To:  <05d601c71171$8a200780$6501a8c0@yoursz6x6sefxo>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Hmmm. It didn't seem to be emanating from the rear but it did seem to modulate when shifting weight in turns.

I will soon go drive it unladen. Perhaps this will shed some light.

There is another noise that I haven't described because proper descriptors escape me. It does emanate from the right rear, I think. This noise occurs while traveling at highway speeds and you then come of the pedal to brake or just to coast down. It sounds like a dull, hollow metallic knocking of sorts. Maybe a "TOCK-TOCK" but I fear that doesn't really capture it. This noise was reproducible before the previously described noise started. It only happened in the conditions of I just mentioned.

I'm feeling like it is likely wheel bearings, front or rear (or both) as we discuss it further. I'm just a bit surprised that the unfamiliar noise would come on so suddenly. I've had bearing whine on other vehicles and it took days or weeks of steadily progressing to the very noisy state that I describe. This was a night/day thing - previous afternoon, no whine (unladen). Next day, very noticable (laden).

I'll report back after a test drive.

On 11/26/06, ROBERT DONALDS <donalds1@verizon.net> wrote: > > I have not seen mentioned the rear wheel bearings they can be noisy as > well > starting at 30 MPH and the sound changes as the weight of the van shifts > from side to side > > Bob Donalds > > > > ----- Original Message ----- > From: "mordo" <helmut.blong@GMAIL.COM> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Sunday, November 26, 2006 7:58 AM > Subject: Fwd: Unidentifiable sound > > > > > > >> Have you tried jacking each front corner up so you can check the front > >> wheels for loosness? > > > > I haven't done that yet. I just returned home last night. I'll do a > > variety > > of tests this afternoon. Firstly, Ill see how id sounds at the same > > speeds, > > unloaded.t's hard for me to imagine that the load I carried could make > > sucha > > difference particularly since it was the same load ont he trip down. > > > >> vanagons have a somewhat peculiar/advanced steering system ... the > >> front wheels LEAN into the turn as your turn the steering wheel. bmws > >> also do this. > > > > > > I noticed this fact earlier in the week. I was surprised at how much the > > wheel tipped out. I don't think the tires are worn significantly. ALso, > > the > > fact that the day before, it road fine and sounded fine. at speeds up to > > 55mph. > > > > > > > >> Don't neglect the possibility that it is the road, and not your > >> vehicle. Especially when you are traveling in an area that you aren't > >> a native of. > >> > > > > Hmm. Seems unikely as I traveled on a broad variety of pavements. > > > > The baffling part is that the sound was an immediately different > condition > > than the day before's condition. Usually, tire wear and bearing wear are > > thigs that get pogressively worse. Weird. > > > > Thanks for the comments. > > > > > > -- > > mordo > > 1990 Carat > > > > >

-- mordo 1990 Carat


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