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  1. YJ Wrangler Technical Forum
    I know the 4.0s are noisy engines, but I've got some pretty significant valve chatter. It's a loud rhythmic tapping and sounds louder than my old XJ with the same engine. I also failed smog for NOx levels being too high, which means that it's burning too hot and lean, so the timing is almost...
  2. YJ Wrangler Technical Forum
    Got a loud knock....wayyyyyy beyond tapping. pulled the valve cover cuz it sounded like a loose or broke *** rocker arm....all good under there. any suggestions? runs good...softens up a bit when i decelerate but it just started two hours ago and will not go away.
  3. XJ Cherokee Technical Forum
    Okay everyone... I've searched high and low on my issue and have not found the answer yet, so maybe someone can point me in the right direction, or help me solve my problem??? A few weeks ago my Jeep started making a squeaking noise... not real bad but a mild "squeak, squeak, squeak, squeak...
  4. TJ Wrangler Technical Forum
    I've got the 231 currently, and am wanting to spend as little money as possible on it, because I'll be upgrading into a 241 next year. Don't wanna piss away good money I am trying to avoid the SYE, so what else can i do to help....hack in tap. School me please. Info, installation, cost...
  5. TJ Wrangler Technical Forum
    hi, i know through searching that this issue has been covered a lot however i have not seen any real fixes to this problem. generally the threads just start arguing about oil weight or additives or simply ignoring the problem until the engine explodes. has anyone seen a write up as to how to...
  6. TJ Wrangler Technical Forum
    Anyone used one? Upsides/Downsides? Looking for some input. I've heard some people say it weakens the output shaft; I'm just looking for personal experiences before I determine whether or not to go with a full on SYE. :cheers2:
  7. KJ Liberty Forum
    2003 Jeep Liberty Limited Edition V6 3.7 Video: https://www.transferbigfiles.com/7b397496-ced8-4367-bf75-1f316475a4e1?rid=kOvNbcEilTVfxl2VpxVu%2bg%3d%3d It's hard to hear, but when I start the jeep, there is a clicking noise that happens (more so when I press on the gas). I thought it might...
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