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  1. J

    2016 JKU Transmission Temp

    I just did a transmission fluid and filter change and now when I read the dash it says if I'm on the highway going 70 mph it hits 172-174 easily and stays there, at stop lights I have seen it go up to 176 or 179. I realize that these are not crazy temps by any means but it is weird how they are...
  2. J

    2016 JKU Transmission Temp

    Hi all, I need some guidance. I hardly ever check my transmission temps, but I have never really seen it go past 172. This morning on my commute I noticed go as high as 190 while I was idling at a red light. After that It didn’t drop below 180. Is this normal? Should I be worried? What does...
  3. J

    Driveline Vibrations

    UPDATE: ITS FIXED!! I am so freaking happy! Okay so i adjusted the lower CAs to bring the pinion down a bit. My DS is at 9 degrees and my pinion is now at 7. I took it for a drive and the vibes were a lot better 55-60 but the vibes were still pretty annoying above 70. When i got back i...
  4. J

    Driveline Vibrations

    Thanks guys. Going to spend this weekend trying to get to the bottom of this. The one thing i have not been able to do is adjust the pinion angle. My upper control arms are as short as they go. My pinion is about 1 degree higher than the driveshaft. I keep seeing from multiple sources that it...
  5. J

    Driveline Vibrations

    So I'm guessing my last options here are to look into the T-case and pinion flanges? Bad gear setup? It didn't vibrate when I ran it with just the front shaft, but then again the rear diff was not under load.
  6. J

    Driveline Vibrations

    I believe my pinion angle is .5 degrees higher than my driveshaft. I've been told it should be at zero and I've also been told it should be 1-2 degrees lower 🙃
  7. J

    Driveline Vibrations

    Now that you mention all this, I did leave out an important detail. After i got my gears installed, i went through the break in process, did the initial heat/cool cycles like i was supposed to. Then after the first 200 miles of driving it easy, i got it up to hwy speeds which is when i initially...
  8. J

    Driveline Vibrations

    Got my driveshaft back. All 3 u-joints were replaced with spicers. They even replaced the slip yoke. Perfectly balanced, i was there with the tech watching him balance it. They wanted to show me that it was perfect, they sped it up to 3,600 rpms and it had zero vibes. I was getting vibes at...
  9. J

    Driveline Vibrations

    Thank you, I’ll definitely try this after i get my driveshaft back. I didn’t even consider this or had heard anyone mentioned this. I did check the torque on the yoke and pinion flange with my torque wrench, but never thought of trying this. I should get my driveshaft back tomorrow, gonna adjust...
  10. J

    Driveline Vibrations

    This is exactly what my driveshaft shop said, looks like Tom Woods still uses the Chinese u-joints. I'm going with Spicer and adjusting the pinion a tad. Hopefully I get my driveshaft back today. Hoping for the best here.
  11. J

    Driveline Vibrations

    Yeah the 4.56s definitely exposed my driveshafts. I never really got it passed 80 mph with factory gears, so now when I go 80mph it's like i'm going 100mph LOL. Thanks so much for the feedback, I'll definitely adjust the pinion to match the DS. Would you suggest i adjust the upper or lower CAs?
  12. J

    Driveline Vibrations

    Hi everyone, I am going to try and keep this as short and simple as possible with hopes someone on here can point me in the right direction. I have 2016 JKU 75th anni, 35 inch toyos, (34.25 actual) 3.5 rubicon express lift with adjustable control arms. I recently bought a pair of custom made...
  13. J

    Hello from Los Angeles, Ca

    Hi all, glad to be a part of this group. Jeepin' since 2016, I mostly overland every other month and take road trips up and down the California Coast with the goal of discovering trails and camping spots. 2016 JKU 75th Anni 3.5 Rubicon Express lift with Fox Shocks Mammoth upper/lower front/rear...
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