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Old Fri, Oct-14-2011, 12:45:26 AM   #11
Tchleung
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Default Re: Belt Rubbing Against Supercharger Bracket

That's a basic Dayco belt, I woudl find out the proper length belt first from AA, then order it from them or if they tell you the size, order a Gates or Gates Fleet Runner belt from Napa.
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Old Tue, Oct-18-2011, 01:15:56 AM   #12
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Default Re: Belt Rubbing Against Supercharger Bracket

Pretty sure I found the issue. I got the fan and belt off tonight so I could inspect the pulleys and when I turned the idler pulley next to the supercharger, it was making a lot of noise. Pretty sure that is the culprit. Got to call AA in the morning.
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Old Sun, Oct-23-2011, 03:34:50 PM   #13
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Default Re: Belt Rubbing Against Supercharger Bracket

thats what my guess was mike...id recommend replacing the tensioner while your in there too and obviously the belt...
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Old Mon, Nov-14-2011, 12:16:37 AM   #14
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Default Re: Belt Rubbing Against Supercharger Bracket

Update: I replaced both idler pulleys and I was going to replace the belt, but Active Autowerke told me the wrong size. I put the old belt back on for the time being, but I cleaned up the area where the belt was rubbing. I drove it a couple more times and noticed it was still rubbing against the bracket. So I have ordered a new tensioner and I believe I have the correct size belt now.

But I have a couple of questions. Last night I was driving it (stupid, I know) and the belt shredded and I had to have it towed home. Today I was cleaning the mess up, (those rubber chunks are a PITA to remove), and I noticed that my new idler pulleys are not spinning freely. When I spin it by hand it moves but it immediately stops after I take my hand off. Does that mean they are damaged? Also, is the pulley on the supercharger supposed to spin freely? It moves but it just has resistance when I spin it.
Man, I hope it's not the supercharger.
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Old Fri, Nov-18-2011, 04:42:45 PM   #15
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Default Re: Belt Rubbing Against Supercharger Bracket

I have been talking with AA this week, and the Dayco belt I had before I think was too big. They told me I need the NAPA belt 080842 which is about an inch shorter than the Dayco belt that was on there.

So now I have the new tensioner and the new belt on, and the only issue I have now is the alignment of the belt. When I install it, I put the belt flush with the lip on the supercharger pulley, but when I start the car, the belt seems to move one grove over to the outside. I just wondered if this was normal or not?

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Old Fri, Nov-18-2011, 10:19:57 PM   #16
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Default Re: Belt Rubbing Against Supercharger Bracket

Found out how to align it with the bracket on the back. It seems to be lined up right now.
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Old Fri, May-30-2014, 04:12:10 AM   #17
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Default Re: Belt Rubbing Against Supercharger Bracket

Quote:
Originally Posted by MikeS123 View Post
Found out how to align it with the bracket on the back. It seems to be lined up right now.
What bracket on the back? I'm having the EXACT same problem with my AA kit, thanks any help will be greatly appreciated
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Old Sat, May-31-2014, 03:24:45 AM   #18
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Default Re: Belt Rubbing Against Supercharger Bracket

Your not supposed to turn the blower by hand, i gave active a call and told them what kit and pulley size I had and it was spot on and solved the low boost,squeaking, and rubbing on bracket problem,as the new belts tension pulls the blower forward making the belt out of the way of bracket.
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Old Tue, Jun-10-2014, 02:55:19 AM   #19
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Default Re: Belt Rubbing Against Supercharger Bracket

fixed my problem, shop made a mistake last time by putting a ac delco belt on it stretched making it loose under load,

Authorized AA shop installed a thick dayco belt so far so good!
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Old Mon, Dec-04-2017, 12:55:54 AM   #20
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Discussing Belt Rubbing Against Supercharger Bracket in the Forced Induction (F/I) Forum - Discuss the ever growing F/I options here! at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)