2024 Supra possible diff leak

[concept]

at about 800 miles....bringing it in, tomorrow.

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[MisterSkiz]

Everyone seems to have this problem (including me) - I think they are overfilled from the factory.

Scroll in that thread for my pics.

https://www.supramkv.com/threads/updates-oil-consumption-rear-diff-leak.9289/page-2#post-159097

 

[FuzzyRev]

Normal. Ask any of us.

 

[concept]

Everyone seems to have this problem (including me) - I think they are overfilled from the factory.

Scroll in that thread for my pics.

https://www.supramkv.com/threads/updates-oil-consumption-rear-diff-leak.9289/page-2#post-159097

Thanks. I ran a search but could not find any postings that were fairly recent. That made me think that this is no longer common.

 

[concept]

So it is "normally" not a leak, but rather a sweating of oil so to speak?

By the way, I cannot find anything in the maintenance schedule that specifies when the diff fluid needs to be changed.

 

[MisterSkiz]

So it is "normally" not a leak, but rather a sweating of oil so to speak?

I think they overfill it and it leaks out the breather tube at the top. It will stop leaking when the level balances out....pretty janky, but eh...

 

[concept]

I think they overfill it and it leaks out the breather tube at the top. It will stop leaking when the level balances out....pretty janky, but eh...

I asked the dealership's dedicated Supra service rep if he's had to check out many Supras with diff leakage, and he said that he cannot recall any. He says he has a Supra in the shop every few months, mostly for oil changes.

I hope you are correct, since the dealership most likely doesn't stock plugs or washers if they are typically not needed within a month.

 

[FuzzyRev]

So it is "normally" not a leak, but rather a sweating of oil so to speak?

Exactly. Both of mine did it at the beginning and then stopped.

 

[concept]

Exactly. Both of mine did it at the beginning and then stopped.

Did you take your car to the dealership for verification?

 

[MisterSkiz]

Did you take your car to the dealership for verification?

I know you were asking someone else, but I never took my Supra in for this.

You really really want to keep your Supra away from a Toyota dealership unless its for a recall. They are not experienced, and do not want to service this car.

 

[FuzzyRev]

Did you take your car to the dealership for verification?

The 'Supra Technician' at my dealership is a friend of mine, so I didn't need to. Some experienced BMW M guys I know have also said it's nothing to be concerned about.

 

[razorlab]

So it is "normally" not a leak, but rather a sweating of oil so to speak?

By the way, I cannot find anything in the maintenance schedule that specifies when the diff fluid needs to be changed.

It pukes out the breather opening at the top of the diff. It only does that when it's overfilled. Mine has never done it.

 

[concept]

I know you were asking someone else, but I never took my Supra in for this.

You really really want to keep your Supra away from a Toyota dealership unless its for a recall. They are not experienced, and do not want to service this car.

Thanks.
Hopefully it is just that, but I'd feel better if the dealership at least documents the leak.

 

[zrk]

We drag guys have a fix for this, actually.

We just pop out the freeze plug on the top of the diff, tap the hole with, and run some steel braided AN line up into the bumper with a filter on it. Can stay "over" filled, and no more leaks.

 

[concept]

We drag guys have a fix for this, actually.

We just pop out the freeze plug on the top of the diff, tap the hole with, and run some steel braided AN line up into the bumper with a filter on it. Can stay "over" filled, and no more leaks.

...but not while the car is under warranty?

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