vacuum lines

I had the hood open today, adding a secondary return spring to my throttle (it's a 2005 4.0L and only had the onboard/inline spring) as a short term experiment. I was poking around, looking at the vacuum lines just to understand where everything connects. I've never really paid attention to...

New to the site. I have a 98 tj with the 4.0 and 5 speed manual and when I was replacing my fenders, my vacuum reservoir broke all of the vacuum lines like it was nothing. My brother can make me new vacuum lines but I just need measurements for upgraded lines and T’s. Thank you

Hi Everyone - my son and I are rebuilding a 98 TJ and have run into a small problem with the vacuum lines under the dash. The red vacuum line is cut in half and I need to replace it. Does anyone have an idea on the size of the line. I found some on Amazon that are listed as 3/6/8/12 MM sizes...

2004 Rubicon with 4.0. Have owned it about two weeks. Started throwing this code after I put 700 miles on it. Replaced after market gas cap with Mopar locking OEM gas cap. Had Oreilys reset the code and threw it again after 100 miles. Have read on the internet that topping the tank off after the...