Blower started sounding weird, something like some rocks rolling around it in. My pain in the ass buddy "enforced" i make a thread about it instead of him telling me the issue (he is a mechanic) So any help or details on this issue would be greatly appreciated...Thanks

 

Not trying to be a smart ass or anything, but pull the blower off and look to see if your plugs are still intact or if maybe a piece chipped off and somehow made it's way up in the blower

 

i think i read something about this before and i think it was a issue with some type of bushing/bearing damn i cant remember exactly someone on here knows though.

 

Its possible to have bearing failure in these units. Also, pull that blower off and check out the silencer plugs. Make sure those aren't loose and rattling around in place or contacting the blades!


Edit: Damn you guys are fast!

 

thank you conformation i think its the bearing

 

Isn't this sound the one of a bad coupler?

Mine sounded like marbles in a coffee can and it was the coupler. How many miles you have on it?

 

or conformation on my bushing type of idea i coudnt think of the word then.. damn i think its the coupler or bearing look into these

 

lil over 37k...

plugs???

what exactly is the coupler?

 

It connects the blower shaft to the blower veins. It's common to go out. Cheap fix if thats the problem

 

your needle bearing inside the supercharger housing are shot and your blower is probably fuked. I know from experience.

 

whats it look like? never dwelt with it before..

 

umm hang on let me get a pic

http://www.superchargersonline.com/p...=ET-COUPLER-NS

 

wait, just found some good info.

http://www.couplerfix.com/gpage.html1.html

So sounds like it is my coupler from the details of this page...where do i buy one?

according to that link, replacing the coupler will not fix the grinding or rock noise...So i may be looking into having to rebuild the charger? i dont know of signs to look for....

 

If you can and have the time, I suggest taking the s/c out and apart and thoroughly inspecting the entire set up. Look for dings, chips, cracks, burrs or anything else out of the ordinary on the rotors themselves and then on the inside of the supercharger. From the noise ur describing it does sound like a bad coupler which is an easy fix. You can get a new one at ZZP here--> https://www.zzperformance.com/cobalt...=155&catid=142
I would still inspect the entire s/c and all it's components before doing this tho, that way you don't spend money on a part if it isn't needed or waste ur time installing it.

 

I've had the rocks in a can sound since I got the car in August 2007. It doesn't harm anything unless it starts acting up.

 

yea. thanks. just sucks and is weird cause it didnt start doing this till after i got the blower back from getting ported and my polish/ceramic job....Guess i might have should inspected it throughouly when i got it back instead of just slapping it back on.

ive read your post multiple times...still trying to figure out if it helps me or not.. lol cause obviously if something started to act up, itd be an issue. haha

 

Who did your work? If it didn't start doing it til AFTER you had it ported and plugged, then its most likely quicksteel or w/e it is they used to plug the holes smackin the rotors on the inside. And that's not weird btw, that gives you the timeframe in which something has gone wrong and makes it easier to diagnose said problem. Did this start like as soon as you re-installed the s/c?

 

well...i have less than 500 miles on my car since we re-installed my blower after the porting/plugging. and the stuff he used to do it was something steel, its lke 10 times harder than jb weld. so I HIGHLY am doubting its the stuff he used to port it. After im doing more and more research of the coupler. it seems to be the issue. Atleast its a cheap and easy fix. Besides having to take everything off thats in the way and taking the freakin blower off again....damnit.

and Euthanasia did the work on the blower. Did an oustanding job. I have no doubts what he did has effect on whats happening now. If i would havce known about this possible issue, then i would have just sent a new coupler with him and had him slap it on when doing everything just to have a new one. Cause evidently from research this happens eventually to every m62/m90 blower.

 

Their is a dude on here that posted this weekend that his plugs fell out of his. I would just pull it apart and check everything.

 

I've heard nothing but good stuff about Euthenasia so at least you sent it to the right guy. BUT...mistakes do happen and not everyone is perfect and sometimes even weird accidents happen. I would still take the blower off and inspect it if i were you. Cuz if the coupler isn't the issue, there's no point in replacing it and wasting all that effort.

 

Does the "marbles in the blower" sound only happen at idle, or does it happen all the time? If you only hear it at idle it is more than likely the coupler. If you hear it all the time and it gets louder as RPMs increase then it maybe the needle bearing or the silencer plugs maybe contacting the rotors.

 

Only at idle.

 

If it is only happening at idle then there is a 99% chance that it is just the coupler.

 

I have a upgraded coupler I can send out to you if you want. I would have installed the better coupler but I was fresh out of stock at the time I was working on your sc. It does sound like it is the coupler. As far as anything to do with the porting or the silencer plugs hitting the rotor's is out of the question we check all the clearances on the sc before it gets shipped back to the customer. But if it is any of the bearing's starting to go out let me know ASAP as we work very close with Magnuson Supercharger's and can have them replace any bearing's in your sc.

 

ok whats up with the coupler? price, info? pm me