Manual transmission leaking

[mauijim]

I noticed some small drops of oil underneath my 2012 jk today. So after investigation I see that it looks like my manual transmission has a little leak but not exactly what it’s coming from. I’m thinking it’s the gasket cause it’s right there where the back part bolts up. Anyone else ever had this. I have 90K miles on it. It’s weird cause I just got regeared 2 weeks ago but can’t see why that would have anything to do with it. I did drive about 100 miles before I put my superchips on and change the gear ratio. Any thoughts on this would be great


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[jesse3638]

Are you sure it's from the trans? By chance did you so an oil change (motor) recently?

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[mauijim]

Do it’s been a few months since an oil change and it’s definitely transmission lube


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[mauijim]

That’s no not do....lol


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[mauijim]

Anyone use a stop leak in a manual transmission?


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[jsukey]

Are you absolutely sure it's gear oil and not engine oil or brake fluid?

 

[Mcollins443]

I would clean it off really well and run it and see where it’s coming from. I would not put stop leak in it.


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[mauijim]

Are you absolutely sure it's gear oil and not engine oil or brake fluid?

Ya it’s the transmission... I was 1/2 quart low in the 2 weeks since it started leaking. I took a mirror and can’t really see much. But looks like it’s coming from the gasket.


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[mauijim]

I would clean it off really well and run it and see where it’s coming from. I would not put stop leak in it.


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Ya I did clean it up and then ran around about 5 miles and then checked it but it’s all over and can’t see exactly where it’s coming from. I guess I’ll just have to go to the shop.


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[jsukey]

Like Mcollins443 said...I wouldn't put Stop Leak in it. Fix it right, that way you no longer have to worry about it.

 

[Mcollins443]

It’s hard to tell from the pictures but is it coming from where the transfer case mounts to the transmission


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[notnalc68]

Get a can of Gunk degreaser and spray it down. Maybe even twice. Then you can identify where it’s coming from.

Edit: I see you did that. Rear main seal?

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[mauijim]

It’s hard to tell from the pictures but is it coming from where the transfer case mounts to the transmission


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Yes and seems like it’s coming from the top somewhere


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[mauijim]

Get a can of Gunk degreaser and spray it down. Maybe even twice. Then you can identify where it’s coming from.

Edit: I see you did that. Rear main seal?

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Rear seal from the transmission correct? I was thinking about that and it must be leaking through the gasket then.


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[OverlanderJK]

That’s more than some drops. Clean it and then drive it a bit to see if you can find the exact leak.


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[mauijim]

That’s more than some drops. Clean it and then drive it a bit to see if you can find the exact leak.


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[mauijim]

Lol... I hit reply by mistake. ya I’ll clean it up again and try to look again. Maybe I’ll just drive a really short distance and then check.


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[notnalc68]

Lol... I hit reply by mistake. ya I’ll clean it up again and try to look again. Maybe I’ll just drive a really short distance and then check.


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That’s what I’d do. Short trips, and check.


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