installed my new MM manual hubs - do i need to block the ESOF lines? - Ford Powerstroke Diesel Forum

 
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post #1 of 4 Old 05-24-2012, 11:02 AM Thread Starter
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installed my new MM manual hubs - do i need to block the ESOF lines?

Hey guys,

Like the title says I installed my new mile marker hubs and everything seems good in 2wd, 4x4 and 4x4 low. I haven't plugged the vacuum lines yet and am wondering if I even need too? what is the reason for doing that again?

Thanks for the help
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post #2 of 4 Old 05-30-2012, 10:53 AM
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You should block them so stuff doesn't get sucked up into your lines, but I've run without them being blocked before and I didn't have a problem with a vacuum leak preventing anything else from functioning.

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post #3 of 4 Old 06-10-2012, 12:37 PM
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Yes, you need to block them...It will make the Vac pump run 100% of the time. and at 135.00 a pop theyre not cheap. One day you go to use your Vents...you will only get defrost.

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post #4 of 4 Old 06-12-2012, 12:21 PM
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Cap the Line up at the bracket. Also plug the hole in the hub. lockouts are so much better =)

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