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Death Wine----this time not the front!!

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Old Feb 12, 2009, 10:03 AM
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when you say you replaced your front diff, just the diff or did you change the ring and pinon in the TC?

the ring and pinion is what causes the whine, not the diff
Old Feb 12, 2009, 10:04 AM
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Old Feb 13, 2009, 04:56 AM
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i changed the whole assembly..
exactly whats in the picture below..



now i located a rear diff. which i am hoping will solve the problem..because i honestly cannot think of anything else..i inspected the shaft and all its joints..
anyhow..i will update this thread sometime next week as to what happened.
Old Feb 13, 2009, 06:25 AM
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i used non-OEM diff fluid in my rear diff and got a horribly whine and clank, swapped it out for OEM fluid and all noise was gone.
Old Feb 13, 2009, 08:45 AM
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Originally Posted by dxbevo9
i changed the whole assembly..
exactly whats in the picture below..



now i located a rear diff. which i am hoping will solve the problem..because i honestly cannot think of anything else..i inspected the shaft and all its joints..
anyhow..i will update this thread sometime next week as to what happened.
So you swapped the whole unit out w/ a BRAND NEW piece or another USED piece from someone ???
Old Feb 13, 2009, 08:47 AM
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Could also be the input shaft bearing on the trans. When does it whine.
Old Feb 13, 2009, 09:03 AM
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I had he death whine sometime ago..indeed from inside the car its difficult to localize it. it only happened on deceleration too.

Later we found it was 2 bearings in the rear diff (AYC version), which I replaced (got it from mitsubishi for less than 70$) and that solved my problem. I also changed fluids to OEM Diaqueen. At the time i was running Amsoil in the whole drivetrain but I can't say for certain whether that was the problem.

Since then I've put down tons of hard launched (6-7k), donuts, and some track driving and I haven't had any problems.
Old Feb 13, 2009, 11:02 AM
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Originally Posted by Ranvir
I had he death whine sometime ago..indeed from inside the car its difficult to localize it. it only happened on deceleration too.

Later we found it was 2 bearings in the rear diff (AYC version), which I replaced (got it from mitsubishi for less than 70$) and that solved my problem. I also changed fluids to OEM Diaqueen. At the time i was running Amsoil in the whole drivetrain but I can't say for certain whether that was the problem.

Since then I've put down tons of hard launched (6-7k), donuts, and some track driving and I haven't had any problems.
You wouldn't happen to have a sound clip of the decel noise would you?
Old Feb 13, 2009, 03:43 PM
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yes i swapped in the whole unit of my friends car..which i know for sure it doesnt whine..

i get the whine in every gear and tghe fast i go the louder it gets.

anyways..just ordered my rear diff from Mike@AWD for an amazing deal..
Old Feb 13, 2009, 04:43 PM
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Originally Posted by dxbevo9
yes i swapped in the whole unit of my friends car..which i know for sure it doesnt whine..

i get the whine in every gear and tghe fast i go the louder it gets.

anyways..just ordered my rear diff from Mike@AWD for an amazing deal..
Good to hear.

Hey just for the sake of it do you happen to have a sound clip of the whine it makes so that i can ref. it in the future.

If not no big deal.....thanks
Old Feb 13, 2009, 04:55 PM
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Do you have the AMS Mostashe bar delete? I just got an Evo that I know had a transfer case whine but I installed the AMS kit and it sounds like it is coming from the rear diff.

I hope I don't have to change that as well.
Old Feb 15, 2009, 12:01 AM
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Originally Posted by PATRICK B.
Good to hear.

Hey just for the sake of it do you happen to have a sound clip of the whine it makes so that i can ref. it in the future.

If not no big deal.....thanks
sorry i do not have a clip of the sound..but i can tell you..it sounds like a biatch sitting behind you and whinning!

nope do not have the mostache bar delete.
Old Feb 15, 2009, 10:35 AM
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PATRICK B., nah sorry I didn't take a sound clip.

But i guess my best description would be the sorta whine you get from a dog box.....you know those in-car videos of race cars with dog boxes, as they accelerate you get a whine which increases?
Well the only difference is this one happens only on decel and it 'decreases'.

Maybe someone else can chime in to refine my description.
Old Feb 15, 2009, 02:12 PM
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Should be the bearing inside the rear diff got slightly damage. sound similar to a damage wheel bearing.
Old Feb 15, 2009, 09:40 PM
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well..for everyone else...mine whines on Decel and accelaration...and starts the whine from about 15 mph and is very loud at 65 and extremely unbearable at 75mph... my new diff should be on the way here now..cant wait to get it and solve the issue...**hopefully**


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