car shudder

TeeWhyS13

Spectator
car seems to be running fine, i havent had any real problems, but when i get to ~47-55 mph the whole car shudders. its no in the steering wheel, theres nothing loose in the front wheel assembly at all, no ball joint or tie rod or loose bolts or anything. wheels are balanced. brakes are not out of round. it happens, when i accelerate, cruise, or decelerate. engine/tranny mounts are tight. resurfaced balanced flywheel. the only thing i can figure is my transmission, the input shaft bearing has been whiling for a while, although no fluid leaks out. any ideas?
 
no it cant be bushings, its not like it shakes the wheel, i cant describe it, nothing performance wise is affected, it doesnt pull, lose power, brake, make funny noises, it just starts vibrating pretty aggressively
 
they are balanced, and the ONLY reason i know its not that is that sometimes, very rarely, when its vibrating it will suddenly stop and ride normal. no speed/course/brake/gas/steering change at all, it just stops
 
well my car is like this. it just randomly vibrates, at what ever speed, accel, decel WHEN EVER IT FEELS LIKE IT. well i looked around and found some play. i havent had a chance to check exact. since the rain, but i have a lot of play/movemnt from either the steering rack of very badly worn out inner tierods. i will be checking for sure tommorw.

so maybe u should check that out too
 
thanks, i checked that pretty thoroughly, but ill definitely check again, however the vibrate ONLY happens at this speed, almost every single time, but it does stop, so i know its not a balance issue of any sort
 
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