Sunroof Rattle

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You can get different grades of TPU filament that are flexible like rubber, I wonder what firmness would be needed for parts like that.

It's quite firm/hard, so that may work.

I applied the Kryrox and it seems very quiet so far, though I won't know until it stops raining for a bit (it's usually worst a day or so after raining).

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Applied the Krytox yesterday and so far no noises

It's pretty magic stuff.. a few drops go a long way and I've only used a few ml to do all the sunroof and hatch rubbers. Will probably do the door rubbers too.

Rubber went from dry and grey to smooth/soft and black - like new. I just applied a (very) sparingly-thin bead to the top of the rubbers and then smoothed it out using a q-tip.

The 30ml bottle was only ~$50 from Germany and should last for years - also quoted ~$150 locally from VW. Highly recommended.