Bad drivetrain vibration. HELP!

jlds91389

New Member
Feb 1, 2009
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Hello stangnet its been a while but i have a problem. My car has made its self a terrible vibration. I can feel in all threw the car kind of feels like bad u joints. Changed the u joints and its still there. My weight is still on the driveshaft and I did mark it when i removed it. I looked under the car yesterday and seen that my rear axle seemed to be leaking around the pinion seal:shrug: could the nut have loosend up causing this? Also could it be the bushing in the tail shaft? converter maybe?. sorry for all the questions i just need some help here,also its not tires as all 4 are brand new and balenced. The vibration does increase with speed. Thanks for any help:nice: