Sealing off vaccum lines with warn locking hubs - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 07-19-2014, 04:26 PM Thread Starter Rookie
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Sealing off vaccum lines with warn locking hubs

Is there anything that can be damaged by not sealing off the vaccum lines when changing to warn locking hubs?
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post #2 of 4 Old 07-19-2014, 04:43 PM
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Your vacuum pump will run whenever you put it in 4wd and your vents will switch to defrost.

Easy to plug it. I'm not sure why you wouldn't. I plugged min up under the hood with one 1/4" bolt in the hose off the solenoid.

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post #3 of 4 Old 07-19-2014, 05:05 PM
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remove possible issues

plug the knuckle port ( keeps crap out if the line ever failed)

plug the PVH solenoid Vacuum input ( eliminates possible vacuum leaks if any line or the solenoid fails )

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post #4 of 4 Old 07-19-2014, 07:21 PM
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i got rubber caps at napa and just used some silicon to hold them on. been wiring great for 4 years.
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