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Thread: Sway Issues When Towing

  1. #11
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    Yes, I do have a slider, but it is all the way forward. Thanks for checking!

  2. #12
    Site Sponsor TucsonJim's Avatar
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    Craig - Just to make sure we're all on the same page. When you're describing "sway", is it a back and forth oscillation that continues, or a one way push in a gust of wind or when a big truck is passing you?
    I assume you have load range E tires on your F350. Do you have the rear tires fully inflated to 80 PSI cold?
    If it's indeed an oscillating sway, and the tow vehicle tires are at max pressure, then it's time for a trip to the scales fully loaded to determine what your pin weight is. If you're not around 3,000 pounds on the pin with the trailer fully loaded, then that may be the issue.

    Jim
    Jim and Ginnie - Tucson Arizona
    2016 Ford F350 Diesel SRW
    2017 Grand Design 297 RSTS Travel Trailer
    16,457 Miles, 201 nights

  3. #13
    Site Sponsor Clanker24's Avatar
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    Does your truck have sway control. A friend of mine has a 150 with sway control and he was told to turn it off if he had this issue
    John & Joanne
    2018 Solitude 374TH
    2018 GMC 3500HD Duramax CC DRW
    2001 Harley Ultra Classic

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    Site Sponsor Calbar's Avatar
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    Quote Originally Posted by CraigS View Post
    I'm not sure how to check the alignment. Should I take it to a tire-shop to have them confirm the alignment is okay and have them check the springs too?
    Check out this thread for how to check alignment.

    https://www.mygrandrv.com/fo...778#post209778

    Rob
    Rob & Barb
    2018 Reflection 297 RSTS
    2009 Toyota Tundra
    Waterloo, Ontario, Canada

  5. #15
    Site Sponsor howson's Avatar
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    Quote Originally Posted by CraigS View Post
    I just purchased a Momentum 320G. It's the first 5th Wheel I've owned (i had a 30' trailer before). It has a sway to it when I go over 50 mph. I'm not sure what to do. I'm pulling it with a F350 short bed which has a GCWR of 26,500... so I'm under the weight limit. I have a Curt R20 5th Wheel Hitch.

    The 5th Wheel tire pressure is good. Any suggestions on how to figured out why it sways so much?
    Craig--as previously suggested step #1 is getting your ready-to-camp rig (carefully!) to a CAT scale. Watch this video to understand why: https://www.youtube.com/watch?v=i2fkOVHAC8Q

    Post the results here. If the pin weight is good and you still have sway then consider additional troubleshooting steps.

    BL--don't skip the CAT scale!
    2017 Ford F-350 DRW 6.7L Platinum
    2019 315RLTS (purchased 16 Jul 18 from Campers Inn RV in Byron, GA)

  6. #16
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    Thanks Jim! I'll check the tire pressure on my truck and take a trip to the scales. And yes, it's a back and forth oscillation that continues.

  7. #17
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    I'm not sure... I'll look in my truck owners manual to check and see if I have a sway control. Thanks!

  8. #18
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    Rob, very helpful. I've got some measuring to do today. Thank you!

  9. #19
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    Thank you! One more thing to check out! I appreciate everyones feedback.

  10. #20
    Site Sponsor howson's Avatar
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    Quote Originally Posted by CraigS View Post
    Rob, very helpful. I've got some measuring to do today. Thank you!
    Forum use hint: use the "Reply with Quote" function so the person you are addressing gets a notice (like you just did when I replied to you).

    -Howard
    2017 Ford F-350 DRW 6.7L Platinum
    2019 315RLTS (purchased 16 Jul 18 from Campers Inn RV in Byron, GA)

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