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Vacuum Disconnect

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Old Oct 17, 2009 | 09:52 PM
  #1  
geeknik's Avatar
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From: Tacoma
Year: 1989
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Engine: 4.0
Default Vacuum Disconnect

Ive seen a few things here about getting away from the vacuum disconnect on the front axle. But what is the best/easiest way? I have a DANA 30 for my front diff. Does anyone have a decent walkthrough on what to do to convert to a cable instead of the vacuum and will leaving the vacuum setup in the transfer case hurt it?
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Old Oct 18, 2009 | 12:04 AM
  #2  
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Year: 1990
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Do not get pos lock if u think of wheeling i just changed out to long shaft before wheeling changed back to the 2 pos after wards
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Old Oct 18, 2009 | 12:18 AM
  #3  
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ok, Im new. I understand don't get a posi, but what do you mean on yours you went back to 2 posi?
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Old Oct 18, 2009 | 10:11 AM
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I have thought about posi - lok also. If you go to the search part of the forum and type in vacuum lok or Posi - Lok there is a bunch of info.
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Old Oct 18, 2009 | 03:26 PM
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what i did was.....
took off all vac lines to the actuator of the 4wd engage
took of the cover
(diff fluid comes out)
removed the little rings holding the shaft and vacuum to the housing
took washers and placed them in so that the actuator stays permanetly to the left
put rings back in put housing back on
put a lil diff fluid in..
now...
it doesnt have to rely on vaccums to engage front axles
THIS DOES NOT HURT ANYTHING as the vac engage is a useless idea
all i do is pull it into 4lo and it is good. no vac lines. does not affect dialy driving
took half an hour
free
garunteed
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Old Oct 18, 2009 | 05:40 PM
  #6  
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Year: 2001
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So this mod locks the 2 sides of the front axle together?
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Old Oct 18, 2009 | 09:28 PM
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Originally Posted by RICZR2
So this mod locks the 2 sides of the front axle together?
yes but it does not hurt dialy driving, affect break-ability
all you do is switch transfer case to your choice.. good to go
you will find many have thrown vac line setups to the wind and done this mod

you tube has a vid
look up something like vacuum line disconnect
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Old Oct 18, 2009 | 11:03 PM
  #8  
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Ok kewl. Thanx
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Old Nov 10, 2009 | 07:09 PM
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From: Britt, MN
Year: 1998
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Default Bringin up an older thread...

Can you swap axle shafts from on non vaccum disco into a vaccum disco and get rid of the problem? Im the new owner of a jeep with one. have not had it apart yet.
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Old Nov 10, 2009 | 07:35 PM
  #10  
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From: Oak Harbor, WA.
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Engine: 4.0 liter RENIX I-6, DIY Cold Air Intake, 2.5 FM Exhaust, 3 Core Radiator
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Yes you can do that. and while you are at it get the 1 piece axles out of a 94 or newer and you will get the bigger steering knuckle U-joints.
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Old Nov 10, 2009 | 10:07 PM
  #11  
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From: Britt, MN
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Originally Posted by BuckB91XJ
Yes you can do that. and while you are at it get the 1 piece axles out of a 94 or newer and you will get the bigger steering knuckle U-joints.
sweet. thats what i thought. thanks buddy.
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