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  1. UTEngineer

    Will 33 inch tires & 0 offset wheel fit on 2017 Expedition EL Limited with no rubbing ?

    Will 275/60R20 (33 inch) tires on 0 mm offset rims fit on our stock suspension 2017 Expedition EL Limited with a stock 275/55R20 tire size (31.9”) and a stock +44 mm offset ? Tire size is only 1 inch larger in diameter, but the offset difference also moves the wheel out almost 2 inches from...
  2. UTEngineer

    Retracting Door Step Replacement Cost

    Just installed Amp Research‘s aftermarket electric retractable steps myself on my 2021 F250 Tremor. They come as a complete kit with both steps and everything you need to install these yourself. I am a believer in stock equipment being of superior quality most of the time, but that is not the...
  3. UTEngineer

    Significant Repair - Only 28,000 miles - Rear Differential

    Been noticing a slight growl in the rear end of our 2017 Expedition EL going around corners … so I took it in to the local Ford dealer since it’s still under the factory powertrain warranty (currently only has 28,*** miles on it). They said the rear axle limited slip clutch plate needs replaced...
  4. UTEngineer

    Towing ?

    One common mistake people make is looking at the door jam sticker regarding tire pressure vs verifying the actual pressure on the side wall of the tire. Many times the previous owner replaces the factory “P” (passenger) load rated tires (4-ply) with an increased ply rating for towing, which...
  5. UTEngineer

    Is rotational play (excessive backlash) normal between wheel and cv axle

    I would say the jacked up tire rotates a couple inches forward and the same amount backward before the cv joint engages and the axle starts turning (with the opposite tire still on the ground).
  6. UTEngineer

    Is rotational play (excessive backlash) normal between wheel and cv axle

    There is a loud clunk when we come off the rolled curb at the end of our driveway backing out of the garage onto the street. This loud clunk is what made me start looking at the IWE. I started by replacing the sway bar end links myself because those are know to fail and are easy to replace...
  7. UTEngineer

    Is rotational play (excessive backlash) normal between wheel and cv axle

    So are you eluding to the fact that the vacuum is not being applied to the IWE when the car is not running ? If so, how does that explain the rotational play (backlash) in the IWE ? Only have my IFS Chevy Duramax to compare to my wife’s Expedition … and my Chevy does not have this excessive...
  8. UTEngineer

    Is rotational play (excessive backlash) normal between wheel and cv axle

    Off
  9. UTEngineer

    Is this rotational play (backlash) normal at the front wheel hub ? - see video link

    Is the rotational play (backlash) at the wheel hub in the video link below normal ? https://www.dropbox.com/s/m4sndr14gn9biiz/IMG_4699.MOV?dl=0
  10. UTEngineer

    Is rotational play (excessive backlash) normal between wheel and cv axle

    I can rotate my front wheels both directions quite a bit before the CV and front axle starts turning. Weird part … same for both front wheels. Is this excessive play / backlash normal ? It appears to be somewhere within the wheel hub. Will try to post a link to my Dropbox where you can watch...
  11. UTEngineer

    BFGoodrich All-Terrain T/A KO2 - 275/55R20 - Installed Today

    Sorry for the delayed response … been traveling for work & vacation so minimal internet time. BFGoodrich All-Terrains in a D ply rating have been working well on my wife’s 2017 EL Limited. Trick is to rotate them every 3,000 miles since they have are an open shoulder tire with a soft rubber...
  12. UTEngineer

    2018 Max with Class IV Towing

  13. UTEngineer

    Updating your sway bar, is it needed if you have HD tow package?

    I replaced both. The upgraded front sway bar made the most difference in daily driving, and it significantly reduced body roll in corners and thru bumps. The upgraded rear sway bar made the biggest difference towing going into corners, especially downhill corners on tight mountain passes...
  14. UTEngineer

    Updating your sway bar, is it needed if you have HD tow package?

    The right sway bar on your tow vehicle will improve the drivability and traction, help with better cornering and less body roll. When you have your pride and joy travel trailer in tow behind you, better performance from your tow vehicle can be the difference in making it to the campsite or not.
  15. UTEngineer

    Updating your sway bar, is it needed if you have HD tow package?

    It does ride a little rougher when hitting bumps at an angle. Straight-on bumps there is no difference. But it was definitely worth the trade off.
  16. UTEngineer

    Updating your sway bar, is it needed if you have HD tow package?

    Replaced front and rear sway sway bars in my wife’s 2017 EL Limited with Hellwig’s sway bars. Made a huge difference in cornering stability. No doubt it will also improve towing stability as well. Also replaced the stock 4-ply junk tires with some 8-ply BFGoodrich all-terrain tires as well...
  17. UTEngineer

    Need professional advice...

    Change it out. You are far past the recommended maintenance interval for the transmission fluid.
  18. UTEngineer

    Question about weight distribution hitches and rear axle weight

    My apologies on the delayed response. Been out-of-town for work every week over the last month. Unfortunately I do not have a picture of my setup ... but I am heading to Moab over Memorial and will take some pics and post them for your review. Yes sir ... my bars definitely bend ... I am...
  19. UTEngineer

    Question about weight distribution hitches and rear axle weight

    First ... good job on taking your vehicle and travel trailer to the CAT scale ... most don't do that very important step ... and they should. My combination is a 2017 Expedition EL Limited 4x4 with the 3.5L Twin-Turbo Ecoboost and of course the heavy duty towing package w/ 3.73 gears...
  20. UTEngineer

    Name that noise... Whirring from front end

    I purchased a "mechanics ear" diagnostic tool a while back to figure out noises like this. It has helped me identify and fix countless issues with my truck, Expedition, Side x Side, etc. https://www.steelmantools.com/wireless-chassisear-noise-vibration-diagnostic-device-kit-60635
  21. UTEngineer

    Just snapped an end link

    My recommendation is to just go with Moog replacement end links. They are affordable, better than the stock sets, even include grease zirks to lubricate the joints.. I have them on my front and rear Hellwig sway bars on my 2017 Expedition EL Limited. Rear...
  22. UTEngineer

    Tire suggestions

    2017 with only 17,000 miles ... original owner ... got it for $20k under MSRP ... paid for in cash ... think about that next time you make your monthly payment on your “new” Expedition and your “modular” home. (i.e. nobody likes a troll posting negative comments on other people’s threads, get a...
  23. UTEngineer

    Tire suggestions

    Here is a pic of the Expedition with the BFGoodrich All-Terrain T/A KO2’s.
  24. UTEngineer

    Tire suggestions

    I will try to get a photo of the whole vehicle in the next couple weeks. Unfortunately we are on quarantine that just started last Thursday for the next 14 days so not sure when our Expedition will be out of the garage for a good photo. So please be patient ... thank you.
  25. UTEngineer

    Best programmer / tuner & throttle sensitivity booster ?

    Thanks for the response. Not off warranty yet. Expedition only has 18k miles. It was a left-over purchased in late 2018 for a significantly reduced price (-$19k off msrp). Need to be able to put it back to stock for warranty work. Some day I will likely do a custom tune, but not until the...

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