Supercharger noise??? experts chime in please
#1
Supercharger noise??? experts chime in please
Well, something happened, what it is I don't exactly know. The supercharger is making a knocking noise that increases with rpms and it is silent when the pulley belt is disconnected. Anybody know what it could be before i send it off to ct-engineering?
I'm running the 3 lb pulley, and everything else seems to be fine.
I'm running the 3 lb pulley, and everything else seems to be fine.
#2
Suzuka Master
iTrader: (1)
If there are no leaks (around the snout), I'd check to see if the S/C oil is adequate. Maybe a lower oil level woud cause additional noise. ![Dunno](https://acurazine.com/forums/images/smilies/dunno.gif)
Can you be a little more specific as to where the knocking noise is? Like is it coming from the gear area of the S/C unit?. Or from the shaft? etc.
![Dunno](https://acurazine.com/forums/images/smilies/dunno.gif)
Can you be a little more specific as to where the knocking noise is? Like is it coming from the gear area of the S/C unit?. Or from the shaft? etc.
#3
Senior Moderator
![Agree](https://acurazine.com/forums/images/smilies/agree.gif)
#5
Senior Moderator
is it boosting properly?
#6
Originally Posted by fsttyms1
is it boosting properly?
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#8
Blown is Best
You need to isolate the source and origin of the noise. Do you have an auto stethoscope? Since there is so much engine noise, it's difficult to hear where the noise is coming from. With the probe, you can hear if you have a bad shaft bearing or if the noise is coming from the rotor housing, etc.
http://www.harborfreight.com/cpi/cta...emnumber=41966
http://www.harborfreight.com/cpi/cta...emnumber=41966
![](http://www.harborfreight.com/cpi/photos/41900-41999/41966.gif)
#9
Originally Posted by Accord_V6_400m
It could be a leak in your EGR valve it would make a loud popping sound thats intermitent.
For now, I doubt its something serious.
Try pressing down on the EGR valve in an effort to seal it better and see if the sound goes away.
For now, I doubt its something serious.
Try pressing down on the EGR valve in an effort to seal it better and see if the sound goes away.
Oh well, thats what I get for buying it used anyway I guess.
#11
4drs just wanna have fun!
iTrader: (1)
Originally Posted by rondog
sounds more like a knocking or clicking noise. Either way, I made an appointmtnet with my shop, gonna try to diagnose and if needed, uninstall the unit. Then go and get a new one or have this one repaired.
Oh well, thats what I get for buying it used anyway I guess.
Oh well, thats what I get for buying it used anyway I guess.
Your not running a short ram intake on your SC are you? I don't want to think that the SC rotors heated up and expanded a bit to start scrapping at the housing. Usually the clearances are paper thin.
You can also call Magnusson or Eaton and ask them
![Smile](https://acurazine.com/forums/images/smilies/smile.gif)
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