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wines on decel?

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Old Nov 25, 2006 | 07:41 PM
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Question wines on decel?

i just had a shop rebuild my entire 10 bolt. The only old parts are the axels. While i was in there i figured i would get my 3.23 swapped for some 3.73(a4). The gears have a bad wine or howl above 55 mph but only on slight acceleration(just giving it enough gas to maintain speed) as soon as i let off the gas it stops howling , what could cause this?
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Old Nov 25, 2006 | 08:57 PM
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mine is the same way. I just chalk it up to them being 4.56's, pro gears, and the fact that its a 6speed. Dunno about your case.
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Old Nov 25, 2006 | 09:45 PM
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anyone else with noisey 3.73 gears
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Old Nov 26, 2006 | 01:25 PM
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i just had same deal actually had 3.23's in my 00 ws6 a4 and started howling really bad so i tore it down expecting it to be the pinion bearing but it was the gears themselves 6 teeth on the pinion gear started cracking at the base. So i put all new bearings and seals and stepped it up to 3.73 gears and now have a very light howl. I patterned and shimmed the gears myself and they are where they need to be and torqued the pinion nut according to spec so I think ill just live with it unless it gets louder. Gears are from Richmond
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Old Nov 26, 2006 | 01:26 PM
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oh about the howl that is about how mine is light acceleration over 45 if i get on it or let off it goes away
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Old Nov 26, 2006 | 11:33 PM
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Originally Posted by iroc85blu
i just had same deal actually had 3.23's in my 00 ws6 a4 and started howling really bad so i tore it down expecting it to be the pinion bearing but it was the gears themselves 6 teeth on the pinion gear started cracking at the base. So i put all new bearings and seals and stepped it up to 3.73 gears and now have a very light howl. I patterned and shimmed the gears myself and they are where they need to be and torqued the pinion nut according to spec so I think ill just live with it unless it gets louder. Gears are from Richmond
I`ve heard alot of people complain about richmond gears being noisy.
Otherwise the gears are set up improperly.
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Old Nov 26, 2006 | 11:58 PM
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Originally Posted by camaromarc
I`ve heard alot of people complain about richmond gears being noisy.
Otherwise the gears are set up improperly.
i have heard many set of richmonds and they always have been on the noisey side
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Old Nov 28, 2006 | 09:26 PM
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thats what i was hoping that it was just the gears themselves
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Old Dec 4, 2006 | 08:17 PM
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i dont have richmonds and it howls from 55mph-80mph?
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Old Dec 4, 2006 | 09:38 PM
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I had richmond in my 5.0. If you REALLY listened for it you could hear a slight whine at certain speeds (around 40-65 or so). The pattern on the gears when installed was PERFECT.
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