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  1. mr_dave

    6R80 transmission cooler lines warning

    I'm sure you could rig up something with some clamps and hose, but the "proper OEM" repair is to replace the entire hard line back to the transmission. I have mine jury-rigged with 5-6 stainless clamps for the time being, until I get around to replacing it.
  2. mr_dave

    6R80 transmission cooler lines warning

    Well I was changing the oil today and just happened to check out my transmission cooler lines since I was down there. Wow!!! How this didn't come off (and take the transmission with it), I have no idea! Check those lines everyone!!
  3. mr_dave

    Will my brake rotors need to be replaced at 60k?

    Decent rotors are not very expensive, especially from a retailer like rockauto.com. To me, the time savings and slightly extra cost of just getting new rotors is well worth it when compared to resurfacing. I recently replaced the pads, rotors, flex lines, and fluid on my Exp last year at about...
  4. mr_dave

    4th Gen Amplifier Install Locations

    I'm not sure where the factory amps are installed in the 4th gens, but here's how I did my 3rd gen (just to give you some ideas): https://www.expeditionforum.com/threads/i-replaced-both-factory-amplifiers-and-subwoofer-with-bonus-wire-colors-wiring-diagram.54025/
  5. mr_dave

    Aftermaket Headlight and Taillight Assembly

    headlamp assembly https://www.rockauto.com/en/catalog/ford,2021,expedition,3.5l+v6+turbocharged,3447341,body+&+lamp+assembly,headlamp+assembly,10762 tail lamp assembly https://www.rockauto.com/en/catalog/ford,2021,expedition,3.5l+v6+turbocharged,3447341,body+&+lamp+assembly,tail+lamp+assembly,807
  6. mr_dave

    ALLA LED headlights issue

    Honestly surprised you got 2 years out of cheap LEDs. The only LEDs I would run are Morimoto.
  7. mr_dave

    Flushing brake fluid

    You will need to get a scan tool that has an ABS pump activation function. There are many options well under $200. You'll need to do your home work to decide which one works for your application. Here is just one example on the lower end of the price scale...
  8. mr_dave

    Better mileage pulling trailer

    Assuming everything is in well maintained proper working condition, the biggest mileage factor while towing is speed (specifically, aerodynamics). Slowing down to the lowest safe speed will get you the most mileage benefit.
  9. mr_dave

    2019 Expo XLT sways all over the place after hitting bumps

    I've had two past vehicles that each had similar issues. One had a bad rear spring on one side and the other had a bad rear strut on one side.
  10. mr_dave

    Another 5.4L tapping noise thread (sorry)

    It has been perfect since the major surgery, about 25k miles ago. I actually just listened to the heads a couple weeks ago with a mechanic stethoscope and they sounded great! The only other issue I've had since then is alternator bearings, easy fix.
  11. mr_dave

    Brake wear!!!!!!!!

    Uneven pad wear indicates an issue with the caliper. Either the guide pin(s) are frozen (as mentioned above) or the piston is bad.
  12. mr_dave

    Ice in door jambs

    I have had the exact same issue every winter in MN. I believe the ice and snow on the windshield and especially black plastic cowl melts in the sun, drips down the sides, and then re-freezes in the cold metal door jambs. I don't know how to fix this other than somehow redirecting the melted...
  13. mr_dave

    22”-24” tires?

    Are you going for "looks" or actual "all terrain" performance? Do you do any towing?
  14. mr_dave

    Bad coolant flush/replace by dealership?

    The coolant system on this vehicle is large and complex due to the rear HVAC system. It's likely they didn't get all of the air bubbles out of the system when refilling it, which means there is probably an air lock preventing coolant from flowing and why it's overheating and blowing fans. I...
  15. mr_dave

    Flushing brake fluid

    I purchased a vacuum fluid extractor and have found many uses for it, including brake bleeding. It worked very well. I will also add the need to cycle the ABS pump if you want to get all the fluid changed. https://www.amazon.com/EWK-Pneumatic-Changer-Extractor-Remover/dp/B06WD64H8Z/
  16. mr_dave

    Expedition too big for daily?

    Interestingly enough, low mileage Excursions are still selling for good money. I certainly wouldn't mind having one. Or better yet an HD version of the Expedition. https://www.ebay.com/itm/296079721524
  17. mr_dave

    Taking bets - lets see who wins armchair diagnosis!

    Bad cam phaser and/or VCT solenoid.
  18. mr_dave

    Bullbar does not offer the protection I expected

    Yeah almost all of those bull bars are basically just a place to mount a light. They're definitely not heavy enough or mounted in a manner that would give crash protection.
  19. mr_dave

    New Buyer

    Nice looking truck! And nice name too!
  20. mr_dave

    Unknown leaks and smell

    It could be many things, most likely in my experience is the (plastic!) coolant crossover gasket, a loose/cracked hose, or that (plastic!) coolant T on the passenger side. I've also had a bad radiator cap leak some fluid on hard acceleration too, which was fixed with a new cap.
  21. mr_dave

    Oil pressure, the 5.4, a P0016 and a sense of unending dread

    Something (or likely more than one thing) is way off on that engine. I agree with twodollars that something on the was probably mis-timed, which would explain that P0016 code and rough start & idle. As for the oil, that is not normal at all. I run 5w-30 all year and have had zero oil...
  22. mr_dave

    Platinum - 400HP Rating?

    Not to get too far off topic, but my view on these unattainable standards is that they're quite a bit more nefarious than simply being "green." Think about how EVs actually work. They all need a significant amount of electricity (which can be monitored and controlled remotely at scale) and they...
  23. mr_dave

    Platinum - 400HP Rating?

    The biggest driver for smaller engine displacement is our good 'ol government's EPA mileage and emissions requirements. But yes, marketing definitely takes full advantage of turbo tuning and fuel requirement games to "beat" competitors, even if it sacrifices everyday usability...
  24. mr_dave

    Anyone try these shocks?

    Assuming the airbags would replace the coil spring, those could fit. As far as how well they would work, I can't say. Here's an example of a complete rear strut for a 2018 Expedition. It looks very similar to the photo from the site.
  25. mr_dave

    Is there an easy way to identify towing package

    I'm not sure on the exact year, but later models (2012+?, 2015 for sure) with HD towing will have a factory brake controller below the HVAC controls. That's the easiest way to tell. For all models with HD towing there would be a transmission cooler in front of the radiator, which you can easily...

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