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Old 01-02-2008, 10:13 PM   #1
Vibration during acceleration  
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Ok folks, got another issue....:'(

I'm getting a very odd vibration comming from my drivers side wheel area only during acceleration. Decceleration, coasting, and hard breaking dont vibrate. I literaly got an alignment done this morning, but I dont think it's related; I heard a clunk before it started happening.

Some things i've thought of: CV joint, ball joint, and engine mount.

Any suggestions?

-Alex
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Old 01-03-2008, 08:01 AM   #2
Re: Vibration during acceleration  
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Whatever it is it doesn't sound good. :'(
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Old 01-03-2008, 09:39 AM   #3
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Do you feel it in the steering wheel or from the car itself? Did they rotate your tires?
CV joint is in consant motion so your should feel that all the time. You usually can hear the cv when you take turns at slow speeds to. Try listening for a clunky, lumpy sound (tech talk I know). Like a squre trying to roll.
Good engine mount indicator is if your at a stop light and the whole car is shaking from the engine.
Ball joint- well you should be able to see that.

Truthfully first thing I would do is see if the lugs are tight on your wheel. Second look for a lost wheel weight. Third bring it back and tell them what's up- leave out the thud part.
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Old 01-03-2008, 11:12 AM   #4
Re: Vibration during acceleration  
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Lugs was the first thing I checked; tightened them and took it for another trip and still no dice.

I dont feel it in the wheel as much as the whole car shakes...everyone I have talked to (and the PT manual) says that it's probablly the inner CV joint going bad. I'm not sure if they messed it up during the alignment or if i broke it going over some rough snow/ice/lumps in the road when I heard the clunk (we got 2' of snow the other day...)....

I'll let you know what it ends up being; I'm going to try to wiggle the axle when I get home and can take a look at it.
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Old 01-05-2008, 01:21 AM   #5
Re: Vibration during acceleration  
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I'm betting CV joint.:'(
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Old 01-09-2008, 11:19 PM   #6
Re: Vibration during acceleration  
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Had the same problem..it was my motor mounts! Upper and lower..i got a group buy off the SRT-4 forum site and bought em for 100 bucks + free shipping+same color as the car! I could be wrong but im sure its your motor mounts
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Old 01-14-2008, 01:56 PM   #7
Re: Vibration during acceleration  
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Quote:
Originally Posted by low_pt View Post
Lugs was the first thing I checked; tightened them and took it for another trip and still no dice.

I dont feel it in the wheel as much as the whole car shakes...everyone I have talked to (and the PT manual) says that it's probablly the inner CV joint going bad. I'm not sure if they messed it up during the alignment or if i broke it going over some rough snow/ice/lumps in the road when I heard the clunk (we got 2' of snow the other day...)....

I'll let you know what it ends up being; I'm going to try to wiggle the axle when I get home and can take a look at it.
A friend's Caravan had the identical symptoms. It was the CV joint. We changed the halfshaft and all was well. Apparently, under acceleration, the joint would lock in a somewhat "unaligned" position and would result in the vibration/shake. Coasting or decelerating would remove the load from the joint and allow it to properly move as the shaft rotated. It was so bad, that you could actually see the car jumping slightly under acceleration, and we had to slowly accelerate and ease up on the throttle to get the car home on a long trip (when the symptoms started).

Doug
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Old 01-26-2008, 07:30 PM   #8
Re: Vibration during acceleration  
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Turned out to be the CV joint. I'm pretty happy now though; got new bushings, wheel bearings, tierod ends, balljoints, axles, and a fresh alignment. It's never driven this well!
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