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bad driveshaft??

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Old 03-20-2009, 09:36 PM
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how do you know if you have a bad unbalanced driveshaft??? i get vibration at high speeds and when i start to go faster, started to happen after i install a poly trans mount. is this the sign of a bad driveshaft???
Old 03-21-2009, 11:38 AM
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Did it come with a spacer plate and did you use it.That can throw off the drive angle and place the u-joints in bind and they will cause vibration.I left it out and works fine.
Old 03-21-2009, 06:46 PM
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i didnt install my tranny, but it was shaking alot at idle and under acceleration so i replaced the mount with a new polyurethane one and it doesnt shake nemore but at higher speeds i feel a vibration which seems like the driveshaft.




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