Blue Devil for leaking transmission fix?

Aidynl

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Original poster
Joined
May 19, 2021
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41
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Kelowna
Has anyone used blue devil to fix a leaking seal on a transmission just wondering if it works and if it is safe to do thanks.
2003 Rubicon nv3550 trans.
 
If it’s a small leak it will likely work and keep it leak free for a short amount of time. It won’t hold long term though. That’s how all these leak fix additives are.
 
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which seal?

Is there more than one? :unsure:
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