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Old 05-10-2006, 12:56 AM   #1
sloveniaboy
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Whine from tansmission area

well, since the supercharger has been added there have been tiny bugs to work out here and there but overall it's going good and I'm nearly on my last problem...

lately I was hearing a whine from the car while driving that would follow the engine note, so the higher the revs the higher pitch the whine would be....but, with the clutch pedal depressed, the whine quiets down a whole lot, you can barely hear it but it's there, and when the clutch pedal is NOT depressed at idle and the motor is holding a high rev with the whine being high pitch if you then depress the clutch pedal the whine quiets down and also 'slows down' or the pitch gets lower...this whine is coming from underneath the vehicle at the tranny

so today I changed the tranny fluid and we still have the noise....this noise has been coming on gradually and lately is fairly loud, almost sounds like a twin screw supercharger when driving down the road, you can almost say that it has a slight resemblance to the noise you get when you go in reverse, but not as severe

so basically my question is what the hell is going on? lol, anybody have any clues???? Could this be my crappy Getrag tranny finally dying on me? Or is it a clutch issue which I hope it is....
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Old 05-10-2006, 01:01 AM   #2
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lemme hear it next time we meet.
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Old 05-10-2006, 01:10 AM   #3
SpoolinS6
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i think its the throw out bearing !
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Old 05-10-2006, 01:20 AM   #4
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Quote:
Originally Posted by M_powered
i think its the throw out bearing !
the throw out bearing only operates when the clutch pedal is depressed, I get this whine noise when the clutch pdeal is not depressed and I'm driving.....

but if you have an explanation on how it could be the throw out bearing, please reply...thanks
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Old 05-10-2006, 01:21 AM   #5
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ok new clutch bearings are stiff when u spin them considering when they get old they loosen up causing them to make noise even if the pedal is depressed or not !
edit making less noise when pedal is presed!
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Old 05-10-2006, 01:29 AM   #6
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I would inspect:

a) guibo
b) differential
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Old 05-10-2006, 01:37 AM   #7
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Quote:
Originally Posted by Justin e36
I would inspect:

a) guibo
b) differential
guibo - new
diff - from qwk325 with new diff fluid, when i put this diff in it made no noise and performed great, this tranny noise is recent and is coming from the tranny
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Old 05-10-2006, 01:42 AM   #8
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my input stand i say throw out bearing !
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Old 05-10-2006, 01:43 AM   #9
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Quote:
Originally Posted by M_powered
my input stand i say throw out bearing !
lol.....hopefully it is man, I don't wanna replace my $$tranny$$, even though its a shitty getrag, but I hope more people can throw some advice into this thread...thanks man
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Old 05-10-2006, 01:45 AM   #10
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it could be the throwout, the problem with throw out diagnosis is that it can go any which way, it would be expensive to go into the bell housing to replace a TO bearing to find it wasnt it. some say that they get a whirring noise with the clutch out, some say with it in.. its an expensive guess if it turns out to be more , i mean in terms of time and money.
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Old 05-10-2006, 07:38 AM   #11
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Quote:
Originally Posted by Justin e36
I would inspect:

a) guibo
b) differential
Diff would whine if clutch was engaged or not, even if in neutral.
And would change it's whine tone as you give it throttle or deaccelerat.
Another vote for throw out bearing.
Could just put 80 90 for a little while and see if whine changes tone or goes away.
If it does then it's probably a good time to start shopping for a new one.
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Old 05-10-2006, 09:42 AM   #12
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Quote:
Originally Posted by Furious
it could be the throwout, the problem with throw out diagnosis is that it can go any which way, it would be expensive to go into the bell housing to replace a TO bearing to find it wasnt it. some say that they get a whirring noise with the clutch out, some say with it in.. its an expensive guess if it turns out to be more , i mean in terms of time and money.
I agree with Furious, it could be the throwout but it's an expensive guess to just go and replace it.

You mentioned that you can hear the noise when you're idling in neutral. If you rev up the engine, does the noise increase? Then, does it go away if you depress the clutch pedal?
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Old 05-10-2006, 01:02 PM   #13
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Quote:
Originally Posted by Hasselhoff
I agree with Furious, it could be the throwout but it's an expensive guess to just go and replace it.

You mentioned that you can hear the noise when you're idling in neutral. If you rev up the engine, does the noise increase? Then, does it go away if you depress the clutch pedal?

taken from what I wrote in my first post

lately I was hearing a whine from the car while driving that would follow the engine note, so the higher the revs the higher pitch the whine would be....but, with the clutch pedal depressed, the whine quiets down a whole lot, you can barely hear it but it's there, and when the clutch pedal is NOT depressed at idle and the motor is holding a high rev with the whine being high pitch if you then depress the clutch pedal the whine quiets down and also 'slows down' or the pitch gets lower...this whine is coming from underneath the vehicle at the tranny
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Old 05-10-2006, 02:37 PM   #14
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I think its the gears inside the actual tranny.... i have the same noise coming from mine, but the tranny still runs great and hasn't given me any problems!
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Old 05-10-2006, 02:53 PM   #15
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Quote:
Originally Posted by sloveniaboy
taken from what I wrote in my first post

lately I was hearing a whine from the car while driving that would follow the engine note, so the higher the revs the higher pitch the whine would be....but, with the clutch pedal depressed, the whine quiets down a whole lot, you can barely hear it but it's there, and when the clutch pedal is NOT depressed at idle and the motor is holding a high rev with the whine being high pitch if you then depress the clutch pedal the whine quiets down and also 'slows down' or the pitch gets lower...this whine is coming from underneath the vehicle at the tranny
Damnit - didn't see that. Def sounds like release bearing, but could be gears like Soldo said.

Either way, it looks like the trans is gonna have to come out to investigate further.
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