whining coming from tranny?
11-09-09, 09:58 PM
#1
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whining coming from tranny?
i have a whining noise coming from the tranny that goes away when i push the clutch pedal in, i havnt had time to pull down the tranny yet i just want to get some ideas as to what is causing the noise and if is ok to drive for awhile before i throw in a new clutch, i had a buddy suggest that it is the throwout berring. There is a short throw shifter on the car too if that matters
11-09-09, 10:25 PM
#4
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I dont see how being hard on the engine will hurt anything behind it from the wore out throwout bearing. All thats making noise is that its wore out, its basically a sealed bearing that as wore out and is grinding/whing.
11-09-09, 10:36 PM
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No, sorry if it came off that way. You should be alright. It stops whing with the clutch in because it has pressure on the bearing, when its unsprung it wobbles a bit, hence you get your whining sound.
11-09-09, 10:42 PM
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oh ok cool thanks, haha do you have any clutch recomendations? im not building too much on thae car, just want a drifter/daily driver, not planning on turbo or anything like that for right now
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11-09-09, 11:01 PM
#11
From what I've always heard, a throw-out bearing will have the opposite symptoms; it will make noise with the clutch pushed in. A noise that goes away when the clutch is pushed in would be something else, I believe one of the bearings within the transmission itself.
https://www.rx7club.com/showthread.p...t=main+bearing
https://www.rx7club.com/showthread.p...t=main+bearing
A whirring noise with the clutch pedal out would be the transmission main bearing. Been there, done that. If it only made the sound with the clutch pedal depressed, it would be the throwout bearing. The problems getting into gear sound like a linkage or synchro problem. The weak NA transmissions can be a major pain. Rather than blowing money on a rebuild, I'd opt for a TII transmission instead. You'd need an S5 TII flywheel, TII clutch, TII slave cylinder, TII/auto starter and a custom driveshaft to mate with the NA rear end (www.mazdatrix.com), but it will cost a lot less than a rebuild. Besides costing you less, you'll have a much stronger transmission too.
11-10-09, 12:08 AM
#12
^ I totally agree with the above post. 
The throwout bearing only has a load on it when the clutch pedal is depressed, so it won't cause noise when the pedal is released. The noise described is unfortunately bound to be the trans main bearing. The car can be driven just fine, but the problem will only get worse. I had my NA trans rebuilt to fix the exact same problem a few years back.
The throwout bearing only has a load on it when the clutch pedal is depressed, so it won't cause noise when the pedal is released. The noise described is unfortunately bound to be the trans main bearing. The car can be driven just fine, but the problem will only get worse. I had my NA trans rebuilt to fix the exact same problem a few years back.
Last edited by RotaryRocket88; 11-10-09 at 12:13 AM.
11-10-09, 12:32 AM
#13
Welded Ass Hell
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pilot bearing makes noise when the clutch is not depressed. not a tranny ending situation, but as stated above it can be a little annoying.. just pump up the volume!
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