Vibrating

miss2slocoupe

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Ive noticed if im on the gas pedal on the highway or just driving i have lots of vibrating from the rear of my car? WTF is this!?!
 

95riosnake

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Could be a pinion angle problem, I had that issue when I lowered mine more than the Pro-Kit drop I had at first. It could also be a ring gear/pinion depth issue or one of the bearings could be worn out.

When mine had the pinion angle problem, it seemed to only vibrate when I was under throttle. Adjustable UCA's cured the problem for the most part.
 

RichV

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Is it something that started after some bolt on mod?

U joints would be my guess. Take off the driveshaft, take it in somewhere that can replace the u joints and check balance. Or just get a new aluminum shaft.
 

95riosnake

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Is it something that started after some bolt on mod?

U joints would be my guess. Take off the driveshaft, take it in somewhere that can replace the u joints and check balance. Or just get a new aluminum shaft.

+1 I forgot about U-joints, plus U-joints are fairly cheap and simple to change.
 

justinschmidt1

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trollface.jpg
 

justinschmidt1

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Check and make sure the drive shaft isnt loose at the back, if they didnt use loctite it will come loose.

Grab the driveshaft and see if it has any play in it, could be bad u joints like others said.
 
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miss2slocoupe

miss2slocoupe

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If it is the driveshaft then why would it only vibrate under load? i would think it would do it all the time while driving it.
 

justinschmidt1

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Lol idk pressure? Who knows just check the damn thing. It takes 10 seconds to.jack the car up and shake the shaft


The u joints could just be showing weakness under load
 

quickstang_1994

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if it started with the trans then ck everything in that line motor to rearend, personally i would start at the rearend and move to the front and hope its something simple
 

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