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Vacuum lines

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Old Mar 10, 2015 | 02:58 PM
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Vacuum lines

Request assistance in identifying where a vacuum line is supposed to attach. The line in question is right above the drivers upper control arm, it is black plastic and goes from the frame up along side the engine but the end appears broken off. Any help would be appreciated. A photo would be awesome but I realize that is asking a lot.
 
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Old Mar 10, 2015 | 05:06 PM
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Vehicle?....................
 
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Old Mar 10, 2015 | 09:17 PM
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Vacuum lines

Yeah, that might help, 04 Expedition 5.4, 4wd.
 
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Old Mar 11, 2015 | 03:08 AM
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Probably the vacuum line for the front wheel hub for the 4x4. There's two lines going down to it, one that supplies vacuum, and one vent line which just ends in the engine bay without connecting to anything. They go down to the wheel hub via a rubber vacuum connector, together with the wire for ABS. It's not hard to spot if you turn the wheel full lock to the right if you're going to check the left one (drivers side)
 
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Old Mar 11, 2015 | 09:53 AM
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If there is a duplicate one on the passenger side then that's the vacuum line for the front hub. If not then it might be the vent tube for the front differential.
 
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