Novak Conversions Jeep Wrangler TJ radiator

A quick question…

Matt H

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Original poster
Joined
Sep 1, 2025
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29
Location
Florida or Belize
Hi all,
I’m headed to the airport in three hours and don’t have time to research this so hoping somebody can please just give me a quick answer. There is a hose hanging down under the engine that comes from the top left of the front differential. Is this just a breather hose that needs to be cable tied up or should it be attached somewhere? Emissions?
Thank you
 
Hi all,
I’m headed to the airport in three hours and don’t have time to research this so hoping somebody can please just give me a quick answer. There is a hose hanging down under the engine that comes from the top left of the front differential. Is this just a breather hose that needs to be cable tied up or should it be attached somewhere? Emissions?
Thank you

It is most likely the breather hose for the front diff. It was attached to a clip next to your radiator from the factory.

Edit: You can just tie it up out of the way for now.
 
It is most likely the breather hose for the front diff. It was attached to a clip next to your radiator from the factory.

Edit: You can just tie it up out of the way for now.

Thanks, that’s what I did but wanted to be sure it didn’t need to be connected anywhere. I saw the clip on the hose but couldn’t see where it had been attached to. I appreciate the reply!
 
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Novak Conversions Jeep Wrangler TJ radiator