jeepdude89 Posted September 30, 2010 Share Posted September 30, 2010 What is supposed to go at the back of my valve cover were that bolt is put into? I think a vacuum line is supposed to go there. 89 2.5 5spd Link to comment Share on other sites More sharing options...
1974CJ5 Posted September 30, 2010 Share Posted September 30, 2010 that is where an elbow used to be for the ccv system some one block it off (probably because they were getting oil in the breather box. I believe the rear one on my truck went to the breather box originally with a plastic tubing assembly. I don't remember 100% which ccv hose went where. I think the rear one goes to the breather and the front one goes to the throttle body. I'm sure some of the MJ guru's on here could tell you exactly. I was just looking at that vacuum diagram the other day in a haynes manual, but sorry to say can't remember. Link to comment Share on other sites More sharing options...
fiatslug87 Posted September 30, 2010 Share Posted September 30, 2010 Link to comment Share on other sites More sharing options...
jeepdude89 Posted September 30, 2010 Author Share Posted September 30, 2010 Thank You! That diagram will help me out a bunch! Link to comment Share on other sites More sharing options...
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