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Model S rear rattle/clunk

Hello fellow members,

I have a Model S 2015 AP1 with a rattle/clunk coming from the back. It especially appears on bumpy/uneven roads and block paving roads. The rattle/clunk is most present at the rear driver side and slightly at the rear passenger side. Furthermore, the rattle/clunk is present when the vehicle’s suspension is “normal” but the rattle/clunk increases when I change the suspension to “high”.

The following parts are replaced without any results, unfortunately.

- All rear control arms
- Rear swaybar
- Rear swaybar end links both sides
- Both rear parking brakes including the braking pads
- Braking pads of both rear calipers

- Applied proper grease according to service manual and shimmed any radial slack on brake pads to ensure they are 100% rattle free. Also brake pad anti rattle clips are in good shape.
- Checked the air suspension strut on both sides if they are attached properly to the chassis.

Does someone recognizes the rattle/clunk or has any idea to solve this?

Please see the clip, in particular the parts:
- 0:22-0:26
- 0:42-1:20
- 1:43-1:49
- 1:59-2:04
- 2:13-2:27


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