4 wheel drive vacum issue - JeepForum.com
 
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post #1 of 7 Old 09-07-2011, 05:41 PM Thread Starter
markym
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1984 CJ7 
 
Join Date: Apr 2008
Location: rhode island
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4 wheel drive vacum issue

Hi i just bought a 1990 wrangler the 4 wheel drive seems to work but the vacum lines going to the front axle are cut or dry rotted.. so my question is what do they do? thanks

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post #2 of 7 Old 09-07-2011, 05:59 PM
dancytron
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1990 YJ Wrangler 
 
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Search CAD or Posilok. There are dozens of threads. Also in FAQ
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post #3 of 7 Old 09-07-2011, 06:01 PM
dtn8tr
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1997 TJ Wrangler 
 
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How do you know that the 4WD is working? The vacuum lines engage and disengage the passenger side axle.

1997 TJ, 5" IRO front with 4.5" HD IRO WJ rear, 35x12.5x15 Mickey Thompson MTZ, JKS disconnects
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post #4 of 7 Old 09-07-2011, 06:06 PM Thread Starter
markym
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well i put in 4 wheel no light came on so i put in 4 wheel low and it was crawling low low gear so asumeed it was working.. do you think i can mend them with vacum lines and be good to go?
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post #5 of 7 Old 09-07-2011, 06:09 PM
dancytron
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Probably. You can use regular black lines from autoparts store.

http://www.jeepforum.com/forum/f12/4...uging-1261215/
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post #6 of 7 Old 09-07-2011, 06:17 PM Thread Starter
markym
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so at this point i only have a 3 wheel drive jeep untill i fix my lines??
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post #7 of 7 Old 09-07-2011, 06:57 PM
Hillbilly Jeep
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1990 YJ Wrangler 
 
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Location: Enterprise, wv
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i had my vaccume lines fall on my exaust and melted like a 4 inch section of all the lines together and what i did was buy black vaccume lines from advance.. cut the bad sections out and use the black lines in place of the melted ones.. used rubber cement and zip ties.. with no problems.. its a quick easy cheap fix
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