Tesla SDU temperature sensor loose

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modellfan
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Tesla SDU temperature sensor loose

Post by modellfan »

Hello all,
I was just measuring my motor as Damien did for the large Drive unit and recording a video to have all the documentation how to do it on the small drive unit.
However, when I opened the inverter housing to my surprise, I found a little bit of oil at the bottom. I tink this is not how it’s supposed to be? I’m a little bit wondering as the water has its own cooling port .Image
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modellfan
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Re: SDU Oil in inverter ?

Post by modellfan »

After watching some SDU disassembly videos I am pretty sure , that this is not normal. It was just a few spoons of oil and only on the motor side of the inverter housing. The Inverter itself is fully dry. As my temperature sensor seems to be loose, that might be the reason.

Did I get a SDU with defect from factory ? Didn't look like it was opened before.
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modellfan
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Re: Tesla SDU temperature sensor loose

Post by modellfan »

A little bit further in my investigation:
[media] [/media]

I would say , I 3d print a ring eliminating the play . And I test it after some minutes of running, if it’s not leaking anymore.

Any opinions on this ?
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