So, after a fruitless search, I present this...
My '01 with Tip has started emitting a single, distinct clunk or thump from under the general area of the passenger seat on acceleration or deceleration.
Recent work:
- All four struts.
- Front lower control arms.
- Front downlinks.
- Front ball joints.
- Front brake discs.
- Coils, plugs, and tubes.
- Alignment.
I did all the work, and my first thought was a loose control arm. But the car was aligned by the shop my indy uses, so I assume if there was something loose in the suspension they would have found it.
I found a post in a 996 forum that suggested motor mounts, but that doesn't seem like it would generate a noise under the passenger seat. I'm not noticing any other issues related to this, but it's clearly not supposed to happen.
Any input appreciated.
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