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  1. phenophlebo

    Coolant running too hot

    You are correct. Someone else provided this table and I'm sure it's not at the sweet spot. I told him that I wasn't particularly set up to count teeth and pinions and that the metal plate with the ratio is missing. It's very evident that someone has altered it and that it's not at 4.10 but...
  2. phenophlebo

    Coolant running too hot

    Jeez. What a mess but I'm glad you're doing well now. Someone suggested the temp sensor and we were gonna look into that too. Thanks and keep on climbing!
  3. phenophlebo

    Coolant running too hot

    I said 3.21 and I meant 4.10
  4. phenophlebo

    Coolant running too hot

    Thanks for the info! I was pricing the AEV and it's not terrible but something for less that's just as effective works for me. I agree with you and was wondering if all of the necessary equipment was installed correctly. I was also thinking bout downsizing to 35"s.
  5. phenophlebo

    Coolant running too hot

    I did figure out (did a little research) about gear ratio and that tag is missing and I'm particularly set up to count teeth and pinions. I read also that Unlimited Rubicons come standard with 3.21, It's pretty obvious someone did some work on it and I'm 90% certain this is the case. He was...
  6. phenophlebo

    Coolant running too hot

    Good Morning Danarch. You bring up a good point and I was watching YouTube and a couple of videos mentioned that I nee an AEV module that will adjust the shift points to accommodate for the 37" tire size. Like you I don't know if this will impact the temps and I'm wondering if 37s are just too...
  7. phenophlebo

    Coolant running too hot

    Hey NineLives. They did in fact use a genuine oem Mopar thermostat. Same for the radiator and the water pump. So after all that was it the thermostat that was causing your overheating and did you end up finding a fix?
  8. phenophlebo

    Coolant running too hot

    Hello Anybodyhome: I thank you for your response and you bring up some great questions that I just don't have the answers for. My brother-in-law (in all truth an auto body guy for 30+ years and knows his way around a car) burped it today because someone else mentioned that just because the...
  9. phenophlebo

    Coolant running too hot

    Just bought a 2018 JK Unlimited Rubicon w/65,000 miles. Appeared to be in great shape and has (almost) brand new 37" tires and what I believe is a 4" lift kit. Overheated on day two after about 50 miles. Back to the dealership and they had it for 7 days. They replaced the thermostat, the...