ronbros3

I seem to have a vibration around 75-85 mph, seems to be in the back of car , any ideas of what it might be. i had the wheels rebalanced didnt help. thx Ron

chiorx7

loose driveshaft or need to balance it

SwiftTone

could be wheels are out of ballance, bubbles in tires

sintri

scary avatar pic swiftone, I have a vibration and a deep rumbling under 2,500 rpm in 5th gear, but not sure about 75-85 mph, the roads around here are too bumpy to tell what's from the road and what's from the car anyhow.

basqueinmyFC

get an alignment, when my car did a similar thing that was what i needed...dont know what else to tell ya :-/ sorry

Zak