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Capped Hose in engine compartment

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Old 04-26-2018, 02:57 AM
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Year: 1994
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Engine: 4.0L
Default Capped Hose in engine compartment

There's a capped rubber hose, secured to firewall on left side of engine on my 1994 Jeep Cherokee with a 4.0 L, and runs down to the right side of manual transmission. Don't know where it goes but there's a clamp on the end by the transmission. I have looked and felt all over the trans and motor but can't find any open outlet where it should go to. Any ideas? Thanks, in advance.

Last edited by DeBo@64; 04-26-2018 at 03:01 AM.
Old 04-26-2018, 08:49 AM
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Never had XJ with a manual myself, but should those have a transmission vent tube?

Old 04-26-2018, 09:52 AM
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Sounds like the vent for the front axle. Check for a vent hole on the rear of the pumpkin at the top. If this is the axle vent tube, I would suggest swapping axle oil now that it has been contaminated and likely low.
Old 04-26-2018, 10:45 AM
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i believe there is a vent for any transmission, maybe the old owner had extended it?
Old 04-26-2018, 10:52 AM
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It's definitely the axle vent tube. Mine runs exactly where you describe (also manual tranny).
Old 04-26-2018, 01:18 PM
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Maybe the transfer case vent tube. If it goes down next to the transmission that could be it.

In either case though, axle or transfer case, that's normal.


-T.
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