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Mystery Tube

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Old 05-22-2024, 04:10 PM
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Default Mystery Tube

Changed my air filter on my 2012 Grand Cherokee Overland today and heard/felt something snap. When I looked, I saw this tube that is zip tied to the tube that connects to the air intake box. It has a small plug in the end (labelled patent numbe 3-021-029) but I can't tell if it is supposed to be recnnected to something, or is it just a vent tube. Picture below. Any help would be greatly appreciated.
Old 05-22-2024, 04:34 PM
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Vent...
Old 05-22-2024, 06:00 PM
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Yep, vent. If 4wd it may be for the front diff.
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