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  1. Jozef Zoldos

    Coolant system cleaners

    I ran it with the heaters on in the front and back until it was up to temp so that the thermostat would open. About 5 minutes on the highway would ususally do the trick. This would allow everything to circulate and mix well in all areas where the coolant runs. As far as the vacuum...
  2. Jozef Zoldos

    2020 Expy Overheating at Highway speeds.

    The part number for the new thermostat was HL3Z-8575-B. A youtube video that I found in the internet is https://youtu.be/S0Kabry6I3M?si=3lGwi_vKNYOg-Qa6. You have to remove the air intake to get access. Whole thing takes about 15-30 minutes.
  3. Jozef Zoldos

    2020 Expy Overheating at Highway speeds.

    The part number for the new thermostat was HL3Z-8575-B. A youtube video that I found in the internet is https://youtu.be/S0Kabry6I3M?si=3lGwi_vKNYOg-Qa6. You have to remove the air intake to get access. Whole thing takes about 15-30 minutes.
  4. Jozef Zoldos

    OBD 2 port intermittently working with Scan tool

    How did you fix the problem on your old Jeep?
  5. Jozef Zoldos

    OBD 2 port intermittently working with Scan tool

    The scan tool that I have does not have a battery. It is made by BlueDriver and I am sure it gets its power from the OBD port. After you plug the device in, it is supposed to get power from the vehicle and then you can use bluetooth to connect to a phone or other device, open up an app and...
  6. Jozef Zoldos

    OBD 2 port intermittently working with Scan tool

    Let me explain better. Normally, when you plug the scan tool in, a blue light comes on indicating there is power to the tool. Then you connect to bluetooth on your device and you can scan the engine or analyze certatin data parameters that are monitored. When I plug my scan tool in, sometimes...
  7. Jozef Zoldos

    Coolant system cleaners

    Good point. Only a moderate amount of cloudiness. No rust. Because I am retired and have a ton of time on my hands, I decided to do it anyway becasue I was servicing everything else on my truck including brakejob, brake flush, differential fluids (front and rear), transfer case, transmission...
  8. Jozef Zoldos

    OBD 2 port intermittently working with Scan tool

    Hello. Looking for some direction. I have a BlueDriver Scan tool that works in my OBD2 port only intermittently in my 2020 Expy. I have tried everything. Works about 50 percent of the time. No rhyme or reason as to what makes it work or not work. I tried the same scan tool in several...
  9. Jozef Zoldos

    Coolant system cleaners

    Are coolant system cleaners needed when flushing coolant system? Are they bad for the gaskets in and around the system? Is it better to do a flush with distilled water until clean, drain the system and then replace new antifreeze?
  10. Jozef Zoldos

    Fluid spec source

    Jason H. Thanks so much. LOL. I have been trying to find this source forever.
  11. Jozef Zoldos

    Fluid spec source

    This is probably a silly question to all but I have been having trouble sourcing a good and reliable reference for the fluid specs for my vehicle. For example, for my 2020 Expedition has 60K miles and I want to change the following: - front differential - transfer case - rear differential -...
  12. Jozef Zoldos

    Oil Catch Can in Cold Climates

    LokiWolf. Thanks so much for your response. Most of us DIY hacks really appreciate your wisdom on this platform. Regarding my drain lines for my RXP dual cannister setup, I dropped one line from each of the two cannisters and brought them into the driver side front wheel well and put on two...
  13. Jozef Zoldos

    Oil Catch Can in Cold Climates

    Thanks for your input. Any experience with Team RXP twin can systems or have you heaard anything either way about this product? I put this sytem on my 2020 expedition. I think it works OK but if you installed it according to the instructions, it was very difficult to drain the cans because...
  14. Jozef Zoldos

    2020 Expy Overheating at Highway speeds.

    Sorry for the late response. Somehow, I do not get alerts whenever someone responds. Regarding the temp showing up on the display, it shows up automoatically whenever the temp gets over 228F. When the temp drops below that number, the digital portion of the temp display goes away. I have...
  15. Jozef Zoldos

    2020 Expy Overheating at Highway speeds.

    Great point. This helps with diagnosis.
  16. Jozef Zoldos

    2018 expedition max coolant temp fluctuating ....

    Look at a thread that I posted last week. I just went thru the same issue. In my situation, it was a sticky thermostat. That is probably the most common cause of this issue. https://www.expeditionforum.com/threads/2020-expy-overheating-at-highway-speeds.55007/#post-502671 JZ
  17. Jozef Zoldos

    2020 Expy Overheating at Highway speeds.

    So. I have a 2020 Expedition Platinum Max with 60K miles. No trailer tow package. Over the past 2 weeks, I noted some mild overheating when driving highway speeds. The temperature would appear above the Cold/Hot water temp guage as shown below. Never noticed this before. Hooked up a...
  18. Jozef Zoldos

    Low Oil Pressure Light

    Thanks for the help 07Navi. Here is the followup. I went for the quick fix. I looked underneath the truck and the oil sender unit was tucked way up there in a precarious location. Weather was crappy and snowing. I did not have any place to do work on my vehicle that was out of the elements...
  19. Jozef Zoldos

    Low Oil Pressure Light

    Also, I like the specific pressure guage setup that you did. I could not find the thread about that one but I am still looking.
  20. Jozef Zoldos

    Low Oil Pressure Light

    Gotcha. Thanks for the advice. I will see if I can take care of that tomorrow before I drive it again.
  21. Jozef Zoldos

    Low Oil Pressure Light

    Oh....When the issue happened, it was only at stoplights at idle and it only occurred for for about a 5-10 minute duration when it happened. i.e... It would work normally until the vehicle stopped at a red light and then the light would go off and the pressure switch would drop. When I pulled...
  22. Jozef Zoldos

    Low Oil Pressure Light

    No broken parts when I did the cam phasers. I put in new OEM guides and tensioners when I did the timing. I did not notice any broken parts with the last oil change.
  23. Jozef Zoldos

    Low Oil Pressure Light

    Got a 2011 Expedtion EL Limited. Put in new cam phasers last year and put in an upgraded oil pump (Melling). Over a year later, oil pressure light comes on at stop light and pressure guage on dash falls. This happened about 2-3 weeks ago during a simple commute then stopped spontaneously...
  24. Jozef Zoldos

    Speedometer Adjustment - 2011 Expedition

    I looked at the website. What can I expect with a 5star tune?
  25. Jozef Zoldos

    Speedometer Adjustment - 2011 Expedition

    I put a lift kit on my 3rd gen Expy with bigger tires and now my speedometer is off by 5%. I know that this 5% is not a big deal and it works in my favor with the odometer advancing slower than the actual mileage of the truck. Nonetheless, I am looking to fix this. I previously posted and did...

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