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replaced supercharger bearing

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Old 05-17-2012 | 05:31 PM
srt666's Avatar
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From: summerville, SC
Default replaced supercharger bearing

I had a bad noise coming from the bearing so I bought a bearing from needswings and out it in and the noise has gotten worse. I've taken it apart and put it together 3 times and its not getting better.... Any opinions?
 
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Old 05-17-2012 | 06:34 PM
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Default Re: replaced supercharger bearing

Is it near the clutch? Could it be the clutch instead? Is it the exact same noise with the new part? Maybe a defective part?
 
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Old 05-17-2012 | 06:39 PM
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Default Re: replaced supercharger bearing

Originally Posted by The Beep
Is it near the clutch? Could it be the clutch instead? Is it the exact same noise with the new part? Maybe a defective part?
Bearings are rarely if ever bad when you get them, they are highly inspected before sale.

Mind you if it's made in China the previous statement may or may not be true.
 
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Old 05-18-2012 | 01:07 PM
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Default Re: replaced supercharger bearing

Your old bearing, if it was bad, would be kinda noisy and spin freer in your hand than the new one. The new one should be quiet, smooth and feel kinda tight when spinning in your hand.
 
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Old 05-18-2012 | 01:42 PM
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Default Re: replaced supercharger bearing

Also check to see that the bolt/washer is centered when installed...if it is a bit offcenter it may make some noise.

Mine definitely makes noise until the ECT hits 185, then it goes away. I'm going to replace the bearing as well (again), just to see what happens.
 
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Old 05-18-2012 | 02:05 PM
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Default Re: replaced supercharger bearing

I believe a lot of bearings are damaged from aggressive removal or installation of the pulley. If one bangs on the pulley to get it on the SC, the force can loosen the bearing housing. Pulleys should be installed / removed by hand (without tools) once the bolt is off.
 
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Old 05-18-2012 | 02:38 PM
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Talking Re: replaced supercharger bearing

I've taken it apart and put it together 3 times and its not getting better.... Any opinions?

It might be from something else, does it change with the clutch in or out?? Take a screwdriver and put the blade on the casing ( non moving part ) and listen at the handle with your ear pressed HARD so that you get conducted hearing -direct transmission of the sound(s).


Insanity: doing the same thing over and over again and expecting different results.
Albert Einstein
 
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Old 05-18-2012 | 03:09 PM
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Default Re: replaced supercharger bearing

check the idler pulley and all the others it may not be coming from the SC. jim
 
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Old 05-18-2012 | 03:28 PM
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Default Re: replaced supercharger bearing

Originally Posted by grip grip
I believe a lot of bearings are damaged from aggressive removal or installation of the pulley. If one bangs on the pulley to get it on the SC, the force can loosen the bearing housing. Pulleys should be installed / removed by hand (without tools) once the bolt is off.
Honestly, this is exactly what I think my problem is...going to get it changed again and make sure they do it right...
 
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Old 05-18-2012 | 09:53 PM
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Default Re: replaced supercharger bearing

Okay, checked with screwdriver and it almost sounds internal..I can hear the noise from the idler and the sc pulley... I did however have to tap the pulley back on... Might have messed up the bearing again.
 
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Old 05-19-2012 | 08:14 AM
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From: IN
Default Re: replaced supercharger bearing

leave the hammers in the tool box...rubber mallet maybe, no hammers. If you clean the surface properly, and maybe put the pulley in the freezer for awhile, it should slip right on. I haven't had to use the freezer trick yet, but have on other bearing installs on other equipment.
 
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Old 05-19-2012 | 08:18 AM
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Default Re: replaced supercharger bearing

Oh it was a rubber mallet! Couldn't bring myself to ever swing a hammer at my car
 
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Old 05-19-2012 | 08:37 AM
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Default Re: replaced supercharger bearing

Originally Posted by srt666
Oh it was a rubber mallet! Couldn't bring myself to ever swing a hammer at my car
Bless you my child......
 
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Old 05-19-2012 | 09:46 AM
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Default Re: replaced supercharger bearing

Originally Posted by oledoc2u
leave the hammers in the tool box...rubber mallet maybe, no hammers. If you clean the surface properly, and maybe put the pulley in the freezer for awhile, it should slip right on. I haven't had to use the freezer trick yet, but have on other bearing installs on other equipment.
Putting it in the freezer would make the bore smaller, not what you want as that would make it tighter.

Freezing a bearing makes it smaller so it goes into a bore not onto a shaft, but you knew that, just a slip of the tongue so to speak.
 

Last edited by onehundred80; 05-19-2012 at 09:49 AM.
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Old 05-20-2012 | 05:30 PM
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Default Re: replaced supercharger bearing

Originally Posted by oledoc2u
Bless you my child......
Freakin' hilarious, Doc!
 
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