Bad Vibration

75XB

Registered User
My 90 w/AOD has a bad vibration. I put new tires and balanced everything, a friend of mine thinks it a bad halfshaft? The vibration comes in about 40 mph and gets worse with speed / much worse under decelleration? Really annoying, so bad it shakes the rear view mirror and the sun roof. Any advice is appreciated.
Thanks,
Anthony Gantt
 
Had the driveshaft check, they said it was ok. Said it was bad tire, replaced those and still have problem.
 
Was this happening before you did the tires? Have you had any work done on the drivetrain lately, like motor mounts, rear end work, trany work? If not, how are your motor mounts? Did you check the CVs on the axles while you were inspecting? Or did this just start out of the blue? Your answers will help narrow it down.
 
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