question about changing hubs

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Sep 7, 2007 | 04:10 PM

forrester

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question about changing hubs

im about to make the switch from auto to manual hubs and i was wondering,
why Disconnect the vacuum line and plug it?what happens if you dont?
thanks.

Sep 7, 2007 | 05:41 PM

Green_Dually

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From: Connecticut

You will lose your vacuum and your A/C or heat will default to the defrost position.

Sep 7, 2007 | 05:44 PM

Lou Braun

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From: West Cornwall, CT

I would disconnect and plug the vacuum line to the front hubs just to prevent any vacuum leaks. Your auto hubs may be giving you problems because of leaks.

Vacuum is used to actuate the ventilation and AC doors so you need a leak-free system for them to work properly.

Lou Braun

Sep 7, 2007 | 06:39 PM

forrester

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thanks for the replies! i found a good hub conversion document searching this forum.
although it's for mile marker,im using warn.should be the same...

Sep 7, 2007 | 07:19 PM

redford

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From: Stephensville WI

Yes, installation will be the same for a Warn hub.

Sep 9, 2007 | 02:55 PM

forrester

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ok,so i just started doing this today.in my box came 2 rings with
2 small holes in them,i think they are the outboard retaining ring? do i
need to use these? i have a 2000 superduty.
also is it normal to have to spin the tire a little bit in reverse to unlock it while
it's of the ground?

Sep 9, 2007 | 03:09 PM

DCSpecial

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From: IL, USA

You need to plug the vacuum so that all your heat and a/c functions properly....otherwise it will only blow out of the defrost.

As for install:
http://community.webshots.com/album/85609276aVntVC

Yes, the wheels do need to spin a tad at times to engage or disengage the hubs.

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Sep 9, 2007 | 10:56 PM

aldridgec

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Joined: Mar 2002

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From: Wake Forest, NC

Quote:

Originally Posted by forrester

thanks for the quick reply.yes,i have seen those instructions,but there is no mention
of the 2 small rings that came along with the hubs.guess ill just leave them aside and see what happens...

If you are talking about the snap ring, about the diameter of the hub itself, that is what holds the hub body in. The manual hubs have a body, and a dial face. You put the body in the hub housing, and over the axle end. Install the snap ring to retain the body, and bolt the cover/**** on the outside.

sorry, missed the second post.

The small snap rings are replacment stub axle retainers for some applications I suppose. You shouldn't need them.

Probably is ok to have to spin the tire. Takes the load off the hub so it unlocks.

Last edited by aldridgec; Sep 9, 2007 at 10:58 PM.