Super charger whining and clicking - Technical Forum - Technical Section - SuperCoupe Club of Western Canada - Message Board - Yuku

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Super charger whining and clicking

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Mikal	Super charger whining and clicking	Lead	[-]
Posts: 32 (04/01/2008 12:48 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	Tags : None Yet another question for you all! My Supercharger is whining loudly at higher RPM. I've read that it could be the gears, but I'm not sure what that means? I didn't think there were gears in the SC. Also, one of the wheels connected to what I believe is the serpintine belt clicks on and off seemingly at random. I tried turning it myself and it moves easily. If you are standing at the front of the car looking at the engine it's the furthest right wheel you can see. it's quite beefy. Lastly, when at high RPM there's a rattling. It only happens when the SC kicks in and it sounds like bearings rattling.... What do you think? What could be the cause of the whine and the clicking? Any idea's? Thanks!
Grimsdale		#1	[-]
Posts: 1699 (04/01/2008 04:45 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	If it sounds like there's gravel kicking around in there, take off the blower top. If the edges of the rotors look damaged/scratched up, its likely your rear bearings are shot. That's exactly what happened to me. The bearings are cheap thankfully. "Victoria" The headgasket demon bit me in the ass...
Andrew 88		#2	[-]
Posts: 79 (04/01/2008 04:57 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	Mikal, The supercharger on our cars make a whining sound normally at higher rpm's, although if yours is overly loud you may have a problem. How much boost are you making? I haven't heard of the gears wearing out in our superchargers, but if you think the bearings are shot you can tell by listening to your blower at idle, if it sounds like there are marbles rolling around inside, your bearings need replacing. I think the pulley your talking about is the power steering pulley, I don't exactly know what you mean by clicking on and off perhaps you could give us a few more details. I do know that the power steering pump in both my t-birds makes a annoying sound when I turn the wheel, maybe your talking about that symptom of fords. hope this helps Andrew
Mikal		#3	[-]
Posts: 33 (04/01/2008 08:23 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	I'm getting around 8lbs of boost, and the car is generally running well. The super charger makes the whining sound that is louder than it used to be; even a 2 months ago it was much quieter. As for the marbles thing, that is what I hear although it's not at idle, it happens as I accellerate just before the SC starts to kick in. As for the pulley... I should have said, if you are standing facing the engine, it is on the far LEFT wheel, sorry.... Maybe that will make more sense... But the wheel is spinning then it makes a click noise and stops turning. It will not turn for a few seconds, then click again and start spinning. It doesn't seem to affect the car, but it worries me. Thanks for the help guys... Mike
91scWOP		#4	[-]
Posts: 711 (04/01/2008 08:25 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	The Clicking that turns comes and goes rapidly is more then likely comming for the AC Compressor, it will click on and off, mine use to do that too... You could take the belt off the supercharger and grab the pully and see how much play you got in there.... JOE 90 Candy Blue SC Events Co-ordinator

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