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Noisy blower = KR?
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slowsol
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PostPosted: Mon May 23, 2011 9:06 pm    Post subject:  Noisy blower = KR? Reply with quote

Im having a lil trouble with the ss and KR. My tuner has me at 5* timing at WOT just to get rid of the KR. I did notice the blower is making some noise, like a rattle. I replaced the coupler with a new green one from ZZP and new OE blower oil. Im wondering if this noise is causing some false KR.

Mods are - 3.4, 104 plugs, ZZP wires, 3" catless DP, 180* stat, Tune via HPTuners.

Ideas?
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nightryder
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PostPosted: Mon May 23, 2011 10:44 pm    Post subject:   Reply with quote

The noisy blower could cause false knock. Did you fix it and it's still rattling or did you fix it and it's still showing KR?

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slowsol
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PostPosted: Mon May 23, 2011 10:56 pm    Post subject:   Reply with quote

nightryder wrote:
The noisy blower could cause false knock. Did you fix it and it's still rattling or did you fix it and it's still showing KR?


Sorry. I replaced the coupler and it's still rattling.

Where is the knock sensor located btw?
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nightryder
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PostPosted: Mon May 23, 2011 11:32 pm    Post subject:   Reply with quote

[quote="slowsol"]
nightryder wrote:
Sorry. I replaced the coupler and it's still rattling.


How loud is the noise? Can you get a video?

Quote:
Where is the knock sensor located btw?


There are two of them. Both are located on the block, one below cylinder three and the other below cylinder four.

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chibiblacksheep
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PostPosted: Tue May 24, 2011 7:09 am    Post subject:  Re: Noisy blower = KR? Reply with quote

slowsol wrote:
Mods are - 3.4, 104 plugs, ZZP wires, 3" catless DP, 180* stat, Tune via HPTuners.

Ideas?


That's hardly any mods to be down to a 3.4 pulley. Some engines require full-on headers just to run that knock free. You don't even have the Powerlog, or a CAI it looks like. Might as well throw some 1.9 rockers in that mod list also.

I would just go back to the stock pulley, MAYBE the 3.6 pulley for now.

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slowsol
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PostPosted: Tue May 24, 2011 9:17 am    Post subject:  Re: Noisy blower = KR? Reply with quote

chibiblacksheep wrote:
slowsol wrote:
Mods are - 3.4, 104 plugs, ZZP wires, 3" catless DP, 180* stat, Tune via HPTuners.

Ideas?


That's hardly any mods to be down to a 3.4 pulley. Some engines require full-on headers just to run that knock free. You don't even have the Powerlog, or a CAI it looks like. Might as well throw some 1.9 rockers in that mod list also.

I would just go back to the stock pulley, MAYBE the 3.6 pulley for now.


Sorry it was late when I typed this. I do have all above mods plus a Wizaired intake. I have a PLOG on the way with a new coated crossover pipe. I got in on ZZP's pre order
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slowsol
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PostPosted: Sat May 28, 2011 10:42 am    Post subject:   Reply with quote

Took the car to the dealer to get checked out (I have an extended warranty). Turns out the blower is bad and needs replaced. Yikes. The warranty is covering it but an adjuster need to check it Tuesday before they replace it.
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chibiblacksheep
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PostPosted: Sat May 28, 2011 11:27 am    Post subject:   Reply with quote

slowsol wrote:
Took the car to the dealer to get checked out (I have an extended warranty). Turns out the blower is bad and needs replaced. Yikes. The warranty is covering it but an adjuster need to check it Tuesday before they replace it.


If you have a modded engine, and a warranty you might get hosed.

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slowsol
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PostPosted: Sat May 28, 2011 1:44 pm    Post subject:   Reply with quote

I thought of that. I talked with my service ticket advisor and he said I will be ok but he suggested reinstalling the factory airbox for 'stock looking' apperance.
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Pitch Black SS
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PostPosted: Sat May 28, 2011 4:10 pm    Post subject:   Reply with quote

and the stock pulley

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IffyG
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PostPosted: Sat May 28, 2011 4:43 pm    Post subject:   Reply with quote

I'm gonna agree with Pitch, getting the stock pulley back on there is going to be more important than the stock air box.

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slowsol
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PostPosted: Sat May 28, 2011 5:00 pm    Post subject:   Reply with quote

May be a great idea. I have the puller still. You guys think the warranty adjuster would know it's a smaller pulley?
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PostPosted: Sat May 28, 2011 5:07 pm    Post subject:   Reply with quote

slowsol wrote:
May be a great idea. I have the puller still. You guys think the warranty adjuster would know it's a smaller pulley?


I would change it. Just to be safe.

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PostPosted: Sat May 28, 2011 5:21 pm    Post subject:   Reply with quote

Most (if not all) aftermarket pulleys have some prominent branding on them as well as the size listed. I don't see how the adjuster would mistake that as a stock item if the sole purpose is to check out the blower...

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slowsol
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PostPosted: Mon May 30, 2011 10:08 pm    Post subject:   Reply with quote

Reinstalled factory pulley, airbox, and tune today. Dont want to take any chances.

It's funny. Even on stock pulley and tune I'm still getting knock at part throttle both in and out of boost.
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