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?
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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