[DML] Re: alternator noise
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[DML] Re: alternator noise

Hi Josh

Assuming you have a direct replacement alternator from one of the D 
vendors then i would suggest that your alternator belt is slipping 
causing the squeeling noise, is this a new one of the correct size?, 
i know Special T have a shorter belt for his own manufactured alts. 
This also accounts for the burning rubber smell as the main pulley 
rubs on /past the belt when it slips. You may now find that your belt 
is 'glazed' ,either way your belt belt needs tightening up.But not so 
tight that you cant press down on it, using moderate pressure with 
your thumb midway on the belt between the water pump and alternator 
pulleys you should get some downward deflection i personally would 
suggest of no more 15mm, if you cant press it down at all then your 
belt is far too tight. This would cause alternator bearings to wear. 
Remove the belt and inspect its teeth for 'shinyness' and make sure 
all pullys are clean and oil and grease free. this will also cause it 
to slip.



--- In dmcnews@xxxxxxxxxxxxxxx, "dmcjosh85" <dmcjosh85@xxxx> wrote:
> this morning I finished installing and plugging in my alternator. 
> starting the car all went as planed except for the strange noise of 
> what would best be described as a whistling and squeling noise. now 
> I rub the engine for a few seconds the squeling noise will go away 
> leaving me with just the whistling sound. on top of that I was 
> burning rubber when I investigated the rear of the car, This leads 
> to believe that obviously the alternator belt is one of the three 
> choices...
> 1) mis-aligned (I did use 3 washers to help with the lower 
> to the new alternator with the rail-guide)
> 2) the belt is too tight
> 3) the belt is too loose.
> Anyone whos delt with this or have any reccomendations I would be 
> greatful. 
> Thanks DML!
> ~ Josh Tidwell
> VIN: 04463

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