alt belt and pulley

Geraint Lloyd geraintlloyd_qc at
Fri Dec 26 15:40:51 PST 2008

I have seen one piece and multi piece on various VAG cars. Ultimately  
you have the bits that you have so rig it so that the V belt is tight  
but so that the flat bit at the bottom of the V is not in contact with  
the center of the pully. All of the load should be taken by the flanks  
of the V. How deep into the pulley it is doesn't really matter as long  
as the outside of the belt is a couple of thou below the edge of the 2  
pulley halves.

Hope that helps

Blwyddyn Newydd Dda y chi


Sent from some obscure location by I-Phone

On 26-Dec-08, at 18:03, Danny <pyro_10314 at> wrote:

> whats up all. just picked up an alternator. I have 2 questions. One  
> being the way that the belt rests in the pulley. Does the belt just  
> lie on top of the pulley or does it actually sit in it. And is the  
> pulley one piece or is it made up of numerous pieces. The pulley  
> that was on my old alternator, it had been switched out before, was  
> actually 4 pieces. And of course upon disassembling it, i didnt stop  
> to look at how the parts were configured. Im tryin to figure out if  
> the p.o. rigged it together or if this is how the pulleys are. 2  
> belts down and about to pull my alt out again to redo the pulley  
> assembly so that the space is a bit wider, so the belt fits into the  
> pulley.  tia
>                    danny
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