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vacuum hose problem

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Old Dec 19, 2012 | 11:01 PM
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vacuum hose problem

bought a 1997 ford f-150 4x4 with 4.6 v/8. the vacuum lines (pink and blue) for my 4x4 s. switches, broke at the connector. i connected them with a hose. there was also a third line running along with them. it looks to be some type of rubber hose running back toward the transfer case. is it a vent line. i,am lost. need help.
 
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Old Dec 21, 2012 | 08:55 AM
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Not sure what you're
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Can you post a pic?
 
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Old Dec 21, 2012 | 05:05 PM
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the front axle has two vacuum hoses running to it to engage the 4 x 4. The hoses run to the passenger wheel well, then up to the drivers side fire wall and connect to two solenoids at that point. There must be a third hose at this point that has vacuum all the time, and the solenoids direct vacuum to the two "in-out" hoses to the axle. Is this the third hose, at the firewall solenoid ?
 
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