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Thread: vibration in 3rd gear
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07-17-2006, 01:57 PM #1
vibration in 3rd gear
I have a 99 trans am 6 speed tranny and when i am in 3rd gear only. I can fell vibration (chadder) through the shifter i can also hear this and it only happens in 3rd gear. Any suggestions would be appricatied
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07-18-2006, 12:49 PM #2
well i took it to some transmission shops and the tranny is fine its the rear end. So i took it differential shop and they say its the ring and pin, plus joints they also said i should change my gears to 3.73
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07-19-2006, 06:13 PM #3
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Pewter- all bore 370 Trans Am
as long as they can set them up right, go for it.
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07-20-2006, 11:57 AM #4
would any one recommend getting the TA girddle cover also. Would this be a good investment
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07-20-2006, 01:05 PM #5
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Pewter- all bore 370 Trans Am
yes...in a sense...its an investment and puts preload on the the rear, but leave the next weakest point vulnerable. Id still go ahead and do it though.
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07-26-2006, 07:33 PM #6
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Torch Red- 2K3 SVT Cobra 10th Av.
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07-26-2006, 10:25 PM #7
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07-26-2006, 11:23 PM #8
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09 EclipseGT 75 Chevy 4x4- 2001 Trans-Am 13 F-XT
I wouldn't waste money on the stock 10bolt. If you do anything to the rear just replace it with a 12bolt or 9". Did you have the drive shaft checked? Maybe that could do it.
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08-07-2006, 10:31 AM #9
well i got the new gears they put in AAM 3.73 the car seems to have a but more pep to it. There is no more whinning in the rear end any more but the vibration in 3rd gear did not go away. Any one think it might be the shifter
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08-07-2006, 08:34 PM #10
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09 EclipseGT 75 Chevy 4x4- 2001 Trans-Am 13 F-XT
I'd have the drive shaft's balance checked. It could be harmonics at certain drive shaft rpm. Try the same speed in 4th and see if it happens.
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08-07-2006, 09:49 PM #11
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Black on Black- 2001 Trans Am ws6
I have an a4 and it also vibrates in 3rd and I have no idea what it is. if anyone knows why this would happen with an auto please tell me
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08-08-2006, 11:16 AM #12
yeah there is no vibration in any other gear just 3rd and it starts around 40 mph if i am in 3rd it will vibrate i will shift in to fourth or any other gear and it is gone. the car does not shake or any thing just the shifter. I have no idea but maybe it could be the drive shaft i should get it checked out next
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08-09-2006, 08:59 AM #13
if you have a stahl converter make sure it is in the grove correctly compleatly snapped into place 2.25 spline out of the converter is what it need to be any thing longer will create vibration
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08-09-2006, 09:42 AM #14
if you have a stahl converter make sure it is in the grove correctly compleatly snapped into place 2.25 spline out of the converter is what it need to be any thing longer will create vibration
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