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Tesla Large Drive Unit. Quick way to check the motor for Coolant Leaks!

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The Tesla Large Drive Units are infamous about their achilles heel, the failing Glycol seal on the rotor shaft. Cousing Isolation Leaks errors and eventually the complete destruction of the motor/inverter itself.
Here is a quick way to check the motor for any signs of a failed water seal inside the Tesla Sport or Base LDU.
At www.autofranzen.nl we service, replace and trade used Tesla Drive Units located in The Netherlands.

Опубликовано:

27 авг 2024

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Комментарии : 20

@revoltsystems 2 месяца назад

We have a bypass kit that will fix the issue before it gets to the rotor and inverter.

@TeslaRepair 4 месяца назад

Thanks for Video. Looking forward for next Video.

@NicholasLittlejohn 3 месяца назад

Yes, just check the speed sensor

@JanwarKali 4 месяца назад

Laki ng volts nyan at wats...obos agad ang batery...kung hindi plakihin hindi makakaikot ng malakas yan

@konic40 3 месяца назад

would be cool if you could get a motor like that from SummitRacing

@DailyDoseOfJoy 3 месяца назад

r2 - it got refurbished twice

@franzenstefan 2 месяца назад

Thanks for noticing

@crpunks 4 месяца назад

Wouldn’t it be possible to just drill a small hole in the buttom with a plastic tube to let the coolant drip out? Or even make 2 holes and force air through one of them to dry things out, without even taking the unit off the car?

@franzenstefan 2 месяца назад

Before you start getting faults the whole thing will be corroded. Catch it early and you could get away with only vacuum drying the whole unit.

@daves2433 6 месяцев назад

This is 11 years old and didn't fail? Thought there was a recall on them due to high failure rate. Glad to see what this looks like inside... just waiting to fail.

@franzenstefan 6 месяцев назад

Condensation everywhere so the seal failed allright. However the car was still operative without any loss of isolation.

@moestrei 5 месяцев назад

On top of the label, you see RMN which stands for remanufactured. Apparently those are the worst and they will fail after about 100.000km. There is a 3 lipped seal from China which some shops use also they install a drain for both motor and inverter.

@moestrei 5 месяцев назад

Those are not cheap 2nd hand.....did you get your money back?

@franzenstefan 4 месяца назад

Thanks for the info!@@moestrei

@franzenstefan 4 месяца назад

No will keep them for spares to repair other ones@@moestrei