Rear end vibration/shuddering during light acceleration in stop and go traffic - Ford Mustang Forum
 
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post #1 of 7 (permalink) Old 07-24-2012 Thread Starter
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Rear end vibration/shuddering during light acceleration in stop and go traffic

I have 22Kmiles on my 2011 GT and recently I've noticed shuddering/vibration on the rear end when lightly accelerating from a full stop in stop and go traffic. It happens when feathering the gas pedal and lightly easing on the clutch pedal to get the car moving. I suspected it was the AdvanceTrack malfunctioning so I turned it completely off (step on brake pedal and press and hold traction control button for 5 seconds) but it did not help. Now I suspect its a clutch issue. Anyone else noticed this behavior?

Thanks

2011 Mustang 5.0, 6spd manual, Sterling Gray Metallic, 401A spec,
Charcoal Black leather seats with cashmere stripe, Shaker 1000, Rear view camera, HID, Security package, Reflective Tints , Borla S-Type AB, GT500 Rear Diffuser. California Special Lower Valance with Boss 302 front splitter, Black GT500 replica wheels staggered set-up
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post #2 of 7 (permalink) Old 07-24-2012
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Could be clutch or clutch packs in the LSD....


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post #3 of 7 (permalink) Old 07-25-2012
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Mine has been doing that with 200 miles on it, and even after having my transmission replaced right now at 18,500 miles, it still does it. Dealer says it's normal...
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post #4 of 7 (permalink) Old 07-25-2012 Thread Starter
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Quote:
Originally Posted by Deki View Post
Mine has been doing that with 200 miles on it, and even after having my transmission replaced right now at 18,500 miles, it still does it. Dealer says it's normal...

I love my mustang but if the dealer gives me that "this is normal" BS I might go ape! Seriously, I've driven only manual transmission for many many years and I drove my 2000 Honda SI in stop and go traffic every day for 10 yrs and put on 250,000 miles on it and never had an issue with the clutch or any form of shuddering or vibration during light acceleration. But, I'll give my dealership the benefit of doubt and see how it goes when I bring it in to be checked. I hope FORD does not let me down.

2011 Mustang 5.0, 6spd manual, Sterling Gray Metallic, 401A spec,
Charcoal Black leather seats with cashmere stripe, Shaker 1000, Rear view camera, HID, Security package, Reflective Tints , Borla S-Type AB, GT500 Rear Diffuser. California Special Lower Valance with Boss 302 front splitter, Black GT500 replica wheels staggered set-up
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post #5 of 7 (permalink) Old 07-26-2012
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Quote:
Originally Posted by iRIS50 View Post
I have 22Kmiles on my 2011 GT and recently I've noticed shuddering/vibration on the rear end when lightly accelerating from a full stop in stop and go traffic. It happens when feathering the gas pedal and lightly easing on the clutch pedal to get the car moving. I suspected it was the AdvanceTrack malfunctioning so I turned it completely off (step on brake pedal and press and hold traction control button for 5 seconds) but it did not help. Now I suspect its a clutch issue. Anyone else noticed this behavior?
Thanks
Quote:
Originally Posted by Deki View Post
Mine has been doing that with 200 miles on it, and even after having my transmission replaced right now at 18,500 miles, it still does it. Dealer says it's normal...
Deki, I think you should get a second opinion from a different Ford dealer. Let me know if there are any new findings.

Deysha

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post #6 of 7 (permalink) Old 07-26-2012
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A shuttering vibration back and forth or side to side? Rough vibration or more of a buzzing vibration? I'm with adspru on this one.
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post #7 of 7 (permalink) Old 07-26-2012 Thread Starter
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Quote:
Originally Posted by nsadams87xx View Post
A shuttering vibration back and forth or side to side? Rough vibration or more of a buzzing vibration? I'm with adspru on this one.

Its actually both....some times it feels like back and forth and sometimes it feels like from side to side. I'm 100% sure that the symptom is there and not some phantom vibration or a pigment of my paranoid existence because it was noticed also by 2 different passengers in several different occasions.

I'm due for an oil change so I'll bring this up with my service advisor.
Good luck to me!

2011 Mustang 5.0, 6spd manual, Sterling Gray Metallic, 401A spec,
Charcoal Black leather seats with cashmere stripe, Shaker 1000, Rear view camera, HID, Security package, Reflective Tints , Borla S-Type AB, GT500 Rear Diffuser. California Special Lower Valance with Boss 302 front splitter, Black GT500 replica wheels staggered set-up
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