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KANSAS CITY STREET RACING
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Unread 2016-02-22, 04:43 PM   #1
MountainDew
 
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Default Subaru Guys (Drivetrain issues?)

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Unread 2016-02-22, 06:27 PM   #2
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I can't really get a good listen since I'm on mobile. However it seems like it would most likely be the throwout bearing since it goes away when the clutch is pushed in. Other than that, I'm pretty sure most aftermarket subie clutches rattle a bit. At least almost every one I've driven has.
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Unread 2016-02-22, 06:39 PM   #3
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Definitely an issue related to axle speed, AKA a diff bearing or something of that nature.

I'm not sure it's a CD bearing problem though.
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Unread 2016-02-22, 06:44 PM   #4
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Unread 2016-02-23, 02:29 AM   #5
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Might be a wheel bearing.

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Unread 2016-02-23, 02:32 AM   #6
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So, clutch in stops the noise or not?
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Unread 2016-02-23, 11:18 AM   #7
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I don't think it's a wheel bearing like DSMspick said - but try doing hard right and hard left sweeping turns at a constant speed when it's doing it and if the noise changes at all then it's a wheel bearing.

To me it sounds more front input bearing in the trans or the center diff / viscous coupler support bearings and the quickest would be to swap the trans assembly but really they're not bad to build if you wanted to just replace the offending bearings.

I had the unfortunate opportunity to tear into one after my brother's girlfriend had her car towed by a wheel lift truck and it burned up a lot of bearings in the trans due to the angle of the tow and lack of lubrication to some bearings at that angle and one set of wheels being locked to the tow truck in an AWD car... We couldn't prove a darn thing that I'm sure happened as they swore that it was flat-bedded and all their operators 'know better' but somehow it made a bunch of racket when she got it out and when I tore into it the bearings were burnt up and were so heat destroyed that it was apparent there was a lack of lubricaiton on 1/2 the tranny
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Unread 2016-03-02, 06:05 PM   #8
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Unread 2016-04-15, 07:14 PM   #9
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it wouldn't be center diff issue. you will
feel binding when turning if something is wrong
with it.
throughout brg is good possibility if sound goes
away when clutch is depressed.
check rear axles and make sure they haven't
popped out of rear diff too.
clutch chatter is common if the flywheel is reused
when replacing a subaru clutch
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Unread 2016-04-15, 07:18 PM   #10
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you can drive car on lift and listen to front diff
with stethoscope if you think there is an issue
there.
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Unread 2016-04-15, 07:25 PM   #11
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