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Bad Vibration at take off

M

miglia-spyder

NAXJA Forum User
Location
sparta, Michigan
Its coming from the front, and it feels like its under my feet. Its only when i take off from a start, until about 15 mph. It wont happen if i start off slow though. Its not the u-joints or wheel bearings, I changed one wheel bearing and the other was fine, the u-joints are still tight.


right now i have the stock upper control arms on it, and RC X-Flex's on the bottom, do you think the upper control arms could cause this?
 
any vibration through the steering wheel?

i would check for worn motor and trans mounts along with worn or loose exhaust hangers.

it could be the upper arm if the bushing is really worn or or the bushing bolt is loose.
 
Front End Vibrations can be One or a Combination of the following. There are more Reasons than listed here, however, it's a Start. Hope this helps.

Worn Wheel Bearings
Worn King Pin Bearings
Worn out Steering Damper
Worn Tie Rod Ends
Incorrect Toe In
Misaligned Drive Shaft(s)
Worn Drive Shaft(s)
Damaged Drive Shaft(s)
Worn Transfer Case Mounts
Misaligned Transmission/Transfer Case
Recent changes in Suspension (ex. Lift)
Wheel Offset (ET) less than 40mm
Larger Tires
Tires Out of Balance
Uneven Tire Wear
Warped Rotors
Worn Pinion Bearings
Worn Transfer Case Bearings
Differential or Transfer Case Flange(s) Out of Round
 
miglia-spyder said:
No it doesnt vibrate an idle...

It only does it when im taking off until about 15 mph.

What is a vibration damper?
Click to expand...

Its on the crankshaft and wouldnt cause what your describing!
 
On mine, I'm sure the vibe is the worn out rear springs letting the pinion angle change too much......345k on the original springs...they is kinda bad
 
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