Car Vibration
09-23-2007, 05:53 PM
#13
5th Gear Member
Join Date: Oct 2005
Location: Ohio USA
Posts: 4,616
RE: Car Vibration
ORIGINAL: irishdo30
Recently, i installed 4.10 gears in my 89 GT. Before this, my car would shake eradically, heard mostly from a shaky tranny and i could feel it in the seat but not in the steering wheel. This was at 90mph and didn't bother worrying about it because i rarely go 90. Now with the new gears, the vibration is just as bad at 60 now. Tires were replaced, balanced and i am lost to what else it could be. I was told the U-joints are still in good shape.
Recently, i installed 4.10 gears in my 89 GT. Before this, my car would shake eradically, heard mostly from a shaky tranny and i could feel it in the seat but not in the steering wheel. This was at 90mph and didn't bother worrying about it because i rarely go 90. Now with the new gears, the vibration is just as bad at 60 now. Tires were replaced, balanced and i am lost to what else it could be. I was told the U-joints are still in good shape.
1. Transmission Mount to frame bushings(2)
2. Transmission Mount to transmission(1)
3.Engine Mounts (2)
4.(U-Joint), with the mileage you have, replace it as Maintenace. Id get an aluminum driveshaft.
5. Rear wheel bearing play.
6. Harmonic Balancer.
7.Rear Differential Dampner
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