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4x4 vacuum hookup

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Old 10-30-2012, 08:25 PM
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is this the same for a 87 Pioneer
Old 10-30-2012, 11:32 PM
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I had just hooked up my vac lines tomorrow afternoon when the sun is up I will take pictures.
Old 11-01-2012, 06:52 PM
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Sorry i havent taken pictures the weather has been bad up here in alaska
Old 02-08-2013, 08:35 PM
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I ran into this problem when my dad remove my engine. I don't know if it from my 4x4 or just a regular vacuum o where it belongs
Attached Thumbnails 4x4 vacuum hookup-forumrunner_20130208_223318.jpg   4x4 vacuum hookup-forumrunner_20130208_223353.jpg  
Old 02-08-2013, 09:38 PM
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Here's how you fix the vacuum issues with the CAD once and for all.

https://www.cherokeeforum.com/f51/fr...ss-91-a-38629/
Old 02-09-2013, 12:35 AM
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do this ^^^

but this may help vvv


Old 02-09-2013, 12:57 AM
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On my '84, I just slid the collar over and used a stainless steel hoseclamp to keep it in place.

Figure that in 90/91? They removed the axle disconnect anyways.

I still see my busted fork in the garage once in a while.
Old 03-01-2013, 06:24 PM
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Originally Posted by hankthetank
do this ^^^

but this may help vvv



AT LAST !!!! The diagram I've been looking for since I bought the beast!

Thank you, thank you, THANK YOU!!!

Now, if someone can tell me where the red line hooks up to the manifold vacuum. Mine is just laying there next to the distributor, and I have no idea where I should connect it.

Can anybody give me a hand?
Old 03-01-2013, 08:08 PM
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Ha! I found it! It goes to a "Y" on the big line off the intake manifold that goes to the vacuum ball!
Attached Thumbnails 4x4 vacuum hookup-102_0346.jpg  
Old 03-01-2013, 08:29 PM
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That's why there's a plug on my Y.

Last edited by cruiser54; 03-03-2013 at 06:32 AM.
Old 03-01-2013, 10:10 PM
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Hey Hank, (and everybody). I put that disco diagram with the others in my signature. Much thanks!
Old 03-02-2013, 06:23 AM
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Originally Posted by DFlintstone
Hey Hank, (and everybody). I put that disco diagram with the others in my signature. Much thanks!
I stole it, too!!
Old 03-02-2013, 11:23 AM
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no prob. i found it a few years ago when i bought the xj. the cad was not engaging and i knew nothing about jeeps. i was googling the **** out of everything i could think of and found that.

Old 03-02-2013, 12:10 PM
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I just realized that my red hose is connected to the vacuum line, it's the transmission I need to hook it to!!
Old 03-02-2013, 12:28 PM
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Originally Posted by jdjonesdr
it's the transmission I need to hook it to!!
I believe the switch is on the transfer case.
Command Track went to 95?


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