[scott howard]

you need to bypass the vacuum system on the frt diff.
i have run mine this way for a very long time.
here is the link for the bypass.
it is free and will take you about 30 mins of your time.
give me a call if you need to know more about it.

http://www.wranglerforum.com/f8/4x4-problem-16977.html#post374350