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Performance Modifications for the NG900 / Old 9-3 This forum contains PERFORMANCE related Q&A's for the NG900 and 9-3. This may also include suspension.

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Old 03-22-2013, 05:16 AM   #1
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Gearbox experts ????!!!!#### :-0

O.K,
When I'm driving Normally everything seems sweet.

Just for reference: Recent LSD install and Full gearbox re-bearing.

When I get in the high revs then back off, I seem to get a "feedback" noise. It's hard to explain but it just seems like my gearbox bearings need to be pre loaded again after my LSD install.

If get get back on the throttle, the noise goes away

What do ya' think?

I know, it's a tuffy
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Old 03-22-2013, 06:31 AM   #2
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My new used trans does this too. It makes the noise on decel for about 2 seconds or so and goes away and it goes away immediately when you get back on the throttle. Might check fluid level. Because I know mine is leaking due to the damn slave that spec sent me with my clutch not having the input shaft seal and I didn't realize till it was too late. I don't think it did it when the trans fluid was topped off but I'm not 100% sure.
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Old 03-22-2013, 07:03 AM   #3
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Like a little chatter sound? I get that.
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Old 03-22-2013, 08:05 AM   #4
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My 99 viggen does it on decel as well chatter noise could be throw out bearing "release bearing"
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Old 03-22-2013, 03:27 PM   #5
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Originally Posted by Tweek's Turbos View Post
Like a little chatter sound? I get that.
Yeah, sorta like that. I'll try to get a video going.
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