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Clunk/Rattle When Accelerating from Stop

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Old May 24, 2024 | 09:19 AM
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neverstop90's Avatar
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Default Clunk/Rattle When Accelerating from Stop

Car:
2005 M6 Z51 ~104,000

As the title says I get a clunk/rattle noise when accelerating from a stop. Noise seems to be coming from the front passenger side. The best way to describe the sound is "lug nut rolling around in a plastic container"; I say that because it sounds so similar to that I had to make sure there wasn't a lug nut in the glove box. I assume all of the bushings are original, car was a Florida for the majority of it's life.

I'm looking for suggestions on what to look for when I get it on stands to investigate.
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Old May 25, 2024 | 05:27 PM
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Originally Posted by neverstop90
Car:
2005 M6 Z51 ~104,000

As the title says I get a clunk/rattle noise when accelerating from a stop. Noise seems to be coming from the front passenger side. The best way to describe the sound is "lug nut rolling around in a plastic container"; I say that because it sounds so similar to that I had to make sure there wasn't a lug nut in the glove box. I assume all of the bushings are original, car was a Florida for the majority of it's life.

I'm looking for suggestions on what to look for when I get it on stands to investigate.
The first thing that comes to mind with a clunk on takeoff or turning is sway bar links. They go bad and come loose far too often.
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Old May 25, 2024 | 10:28 PM
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they can also shift to one side and hit the lower control arm. Id inspect the bars, end links, shock nuts/bolts, upper and lower control arm bolts, caliper bolts, and the bearing torx bolts.
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