Suspension Springs, struts, coilovers, sway-bars, camber plates, and all other modifications to suspension components for Cooper (R50), Cabrio (R52), and Cooper S (R53) MINIs.

Suspension Help: CO's installed now wobble/vibration under hard acceleration

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Old Mar 21, 2012 | 12:10 PM
  #1  
xstartxtodayx's Avatar
xstartxtodayx
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From: North Fork of Long Island
Help: CO's installed now wobble/vibration under hard acceleration

As the title states, I installed coilovers this past weekend (Megans) and now have a wobble/vibration when accelerating hard, not so much under slow easy acceleration. I checked all the bolts and everything seems tight. I did install Megan rear control arms as well to fix the wacky camber after lowering (I did this the day after the CO's).

I've driven close to 400 miles so far and it honestly drives and feels fine as long as I'm not accelerating hard (getting on the parkway is where I feel it the most). I'm scheduled for an alignment this Friday morning at a shop that used to have a 2 car Mini race team, I'm hoping the alignment might fix the issue but if not I'm hoping they might know where else to look.

Does anyone here have any ideas for me? I've read some threads around and the suggestions ranged from control arms to axles. The control arm bushings seem fine (I had Mini check them 3 weeks ago when I was in for a scheduled brake service, I mentioned I was installing CO's and asked them to check the bushings which they said were fine).

The car is an 06 S and has about 43k on it with only had 1 owner before me, everything seems well maintained but you never know. I'm not that low as compared to others so I'm not sure how it could be the axles (23.75" front ground to fender, 24" rear) or maybe it could be, I'm pretty clueless to be honest.

Any help/ideas/suggestions are appreciated.
 
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Old Nov 10, 2013 | 06:17 PM
  #2  
Heathbar's Avatar
Heathbar
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From: Spring Hill, TN
wobble vibration

Did you ever get a fix on this. I just installed CO and same thing is happening.
 
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Old Nov 10, 2013 | 09:07 PM
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kyoo's Avatar
kyoo
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alignment?
 
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Old Nov 11, 2013 | 04:14 AM
  #4  
-=gRaY rAvEn=-'s Avatar
-=gRaY rAvEn=-
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From: Cape of Cod
How about just raising it up to stock height and see if vibration goes away ? If not then axle angle may not
be the issue.
 
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Old Nov 11, 2013 | 04:36 AM
  #5  
v10climber's Avatar
v10climber
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My first guess would be the axles. Raise it up to stock height and see if the issue goes away.
 
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Old Dec 7, 2013 | 10:31 PM
  #6  
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stover91
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From: NJ
axle angle, have same issue with mine (just installed vmaxx today), but its usually exagerated with worn or broken engine mounts, i would be money the driver side or lower mount are worn out, it allows the engine to "flex" under hard acceleration and puts the axle at a bad angle causing the "wobble" you feel
 
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