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Whats this colored vacuum line for?

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Old Aug 12, 2011 | 10:59 AM
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90_cherokee's Avatar
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From: Sierra Vista AZ
Year: 1990
Model: Cherokee
Engine: 4.0
Default Whats this colored vacuum line for?

There's a cluster of colored vacuum lines under the hood of my Cherokee(90 XJ) I believe they go to my front diff. One of them is blue, and isn't hooked up...what does it go to?
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Old Aug 12, 2011 | 11:20 AM
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From: Front Royal, VA
Year: 1997
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Engine: 4.0
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I believe those are indeed for the vacuum axle disconnect. Someone who is mroe of an expert with those needs to step in and tell you where they go, I haven't really emssed with them in years.
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Old Aug 12, 2011 | 08:34 PM
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From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
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I think the blue one is to vent the vacuum and at one time may have had a little valve on the end of it.
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Old Aug 13, 2011 | 02:27 AM
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x2 vent
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