Date:         Sat, 7 Apr 2007 23:30:22 -0500
Reply-To:     John Rodgers <inua@CHARTER.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         John Rodgers <inua@CHARTER.NET>
Subject:      Re: Alternator Bearings?
In-Reply-To:  <4618647A.2040007@charter.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Oops!

Sorry, I was talking water pump and thinking hydraulic pump. That won't
work!

John

John Rodgers wrote:
> Remove the water pump belt. You stand at the rear of the van, engine
> hatch open, and have someone else starte the engine and let it run
> briefly. It won't hurt anything for a few seconds. but it will be long
> enough to isolate water pump noise from alternator noise. Easiest way I
> know.
>
> Usually water pump is a squeal, the alternator bearings is a whine.
>
> But not always. Just most of the time.
>
> Good luck,
>
> Regards,
>
> John Rodgers
> 88 GL Driver
>
> Kim Springer wrote:
>> Hello List,
>>
>> I have a "whirring" noise that developed a few months back.  Changes
>> with the RPM of the engine.
>>
>> If I was back in the aircooled days, it would definitely be the
>> generator bearings.  It has that classic sound.
>>
>> So I pull the best and started it briefly...noise gone.  But when I
>> spin the alternator, it doesn't sound that bad.
>>
>> Could it be a the waterpump?  What kind of a noise do those bushings
>> make?
>>
>> Kim Springer
>> '89 Tristar #7 2WD White
>>
>>
>>
>
>