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Re: Engine Noise

To: examiner@nexusprime.org
Subject: Re: Engine Noise
From: aj253@rgfn.epcc.Edu (Tony Robinson)
Date: Thu, 9 May 96 19:43:06 MDT
Cc: triumphs@autox.team.net

>
>HELP!! I've got a big problem with my '76 Spit. 
>
>All of a sudden, I started hearing a rumbling noise from under the 
>bonnet. Very noticeable at low rpm when a load is initially applied.
>At first I thought I had something loose up front. After I got it to the 
>house, further investigation showed nothing loose, but noise (almost 
>like marbles rattling in a can) was still there. 
>
>At first I thougt 'Damn, main bearings, crank, timing chain, etc', but 
>then I thougt maybe water pump. Had no leaks but decided to remove the 
>fan belt and see if the noise went away. And it DID! So I ordered a new 
>pump and two weeks later, today, I put it in. Guess what??? NO FIX!!! 
>Still had the noise.
>
>So, I'm back to thinking main bearing as I figured it only makes the 
>noise with the pressure of the fan belt on it. Sound like an idea???
>
>Any thoughts on the subject would be very welcome. Thanks in advance.
>
>Cheers and Happy Motoring
>
>bob
>
>

Bob, 
Could it be alternator bearings snce the noise goes away when belt is 
removed?
Regards,
Tony
"GT6s"
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