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Post by Jeep Creep on Feb 27, 2007 18:00:12 GMT -5
what is that. i dont have it but just curious
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Post by Buffalo Phil on Feb 28, 2007 9:34:23 GMT -5
The longer shaft of the front axle is in two peices. When 4wd is engaged, a vaccuum creates a pressure buildup inside the axle tube and aligns the shafts together. It becomes a one peice shaft underpressure, but while 4wd is not engaged and under normal driving conditions, both wheels may spin freely of each other and the front carrier will not spin.
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Post by Jeep Creep on Feb 28, 2007 10:05:48 GMT -5
why have i head that vacuum disco is not good?
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heapxj
 
Member #27
You Can Feel Good About Hood.
Posts: 1,082
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Post by heapxj on Feb 28, 2007 17:27:42 GMT -5
the vaccum diaphragm on the axle tube shifts a fork which slides a sleeve from one shaft over the other one creating a single shaft.
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Post by HeavyMetal on Feb 28, 2007 17:31:01 GMT -5
why have i head that vacuum disco is not good? because they have been known to fail its just one more thing that can break and essentially leave you without 4wd |
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Post by Buffalo Phil on Feb 28, 2007 21:35:59 GMT -5
if the bubble breaks you are SOL unless yopu get a midget under your hood blowing into the vaccuum line keeping the two shafts together.
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skitch21
Forum User
Member #23
The Wednesday D35.
Posts: 227
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Post by skitch21 on Mar 4, 2007 18:38:31 GMT -5
posi lock fixes the faultly motor...but even then its a little wierd sum times....
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Post by jeepgirl13 on Mar 7, 2007 19:15:31 GMT -5
I replaced mine with TJ shafts. Held up better. Now I have a 60.
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