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Date:         Tue, 10 Jul 2007 17:49:37 -0400
Reply-To:     Wesley Pegden <wes@CS.UCHICAGO.EDU>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Wesley Pegden <wes@CS.UCHICAGO.EDU>
Subject:      Re: where is my squealing coming from?
Comments: To: Larry Alofs <lalofs@rcn.com>
In-Reply-To:  <4693F5FE.1030203@rcn.com>
Content-Type: text/plain; charset=ISO-8859-1

Thanks for the tips Larry and others.

Because the noise doesn't change when I change/tighten the belt, and because of the creaking sound I get when I turn the WP pulley by hand, I'm going with the water pump for now. I plan on doing it this by weekend and will report back...

-Wes

Larry Alofs wrote: > A mechanics stethoscope is sometimes useful in these cases, tho the > character of the noise will be different than when heard thru the air. > Else try a simple wooden stick or long screw driver. Put one end > against the suspected part and the other against your ear just in > front of the opening so that your ear is pushed closed. Of course > care is needed when maneuvering the implement near moving belts and > pulleys. > If the noise is simply from a squeaking belt, it should at least > change when you tighten or loosen it. > > Larry A. > > > Wesley Pegden wrote: >> Just an update: >> Removing the belt stops the noise. I guess this means it's the water >> pump, the alternator, or the belt. I put on a new belt just in case, >> still didn't fix it. It's not terribly loud, but definitely quite >> noticeable. >> >> To be clear, when I wrote "I got out a hose to isolate the noise", I >> meant I used a hose with one end to my ear and the other in the >> compartment to try to track down the noise. I just did this again. >> It's not giving me much. >> >> With the belt off, I turned the water pump pulley by hand, and got a >> slight creak. Slight enough that I usually wouldn't have worried about >> it. Is this a good indication that it's the pump? When I point my >> "noise" hose at the pump, I don't really hear the squeal much. Is there >> a good way to rule out the pump? >> >> Thanks again, >> Wes >> '83 1.9l >> >> Wesley Pegden wrote: >> >>> The squealing is audible at idle, but really picks up when you hit the >>> engine. Directly tied to rpms. I got out a hose to isolate the noise. >>> Could have sworn it was coming from around the alternator. Tried >>> tightening the belt (it is a few weeks old so I didn't replace) and >>> swapping the alternator with an extra I had on hand. No change. Any ideas? >>> >>> Thanks as always... >>> Wes >>> '83 1.9l >>> >>> >>> >> >> >


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