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Vibration from hell on De-celleration


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Two days ago i was driving along and when i let off of the gas, there was a TERRIBLE vibration coming from the back of the car..... or it feels like the back of the car.... on acceleration it feels... almost normal...

 

brand new caliper, brand new pad, and the wheel free spins and doesnt move when i put my hands at the 12 and 6 positions and rock back and forth, and when i put my hands at the 3 and 9 positions and rock back and forth.

 

is that a wheel bearing? what the crap?? its ALMOST undrivable at this point... it vibrates something fierce..... but i could get it somewhere if need be.....

 

whats going on?

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Double check the torque on all the bolts that were removed to install the new calipers. Drop the back half of the driveshaft and see what happens. Could be a driveshaft problem. Just about every time I work on a car and a new problem then developes, I have learned to recheck my work.

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Yep - typical of bad DOJ's. Driveshaft u-joints can do it too though. But if you have an inner joint with a torn boot it's probably that one. I've seen them go without torn boots as well.

 

Since it's comming from the back drop the rear portion of the driveline as sugested above. If it still does it then it's rear axle related, and if not then it could be driveshaft or center carrier related.

 

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  • 3 months later...

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