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Old 07-12-2016, 12:21 PM   #1
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TT Swaying Issues

Hey Guys

Purchased a 28DBUD a couple of weeks ago - TV is a 2014 F150 Ecoboost. I have had the Firestone Ride Rite air helpers installed to assist with the up and down bouncing, it keeps the TV and TT nice and level while going through dips and over bridges. I have a WDH installed and i have installed 2 Husky Sway Control Bars, read that a TT over 24' needs to have two, one isnt sufficient. And having had a swaying TT before i didnt want to go down that road again.

I distributed the weight of the items packed into the TT pretty evenly, less in the rear, not as much infront but more or less evenly in the axle area. I have done a rough estimate i am def not of the cargo cap of the TT either. The TT also has 180lb of bicycles hitched to the back of it.

The bed of the truck probably has about 300lb of tools, tables, chairs etc in it, plus 350lb of passengers.

Now, when there is absolutely no wind it tows OK except for when passing trucks, driving at 65-70mph. However, this ideal scenario only lasted about 100 miles. Wind started blowing a little (15mph or so) and traffic got heavier. I could in some instances almost not control the sway of the TT, so much so that the wife, said she wanted to get out the truck lol - admittedly, it did get pretty bad. I had a serious fishtail, even when cars werent passing me.

I stopped, checked all the tire pressures and dropped the ride rite psi from 60 (i always drove it like this) to 40 - it seemed to help a little. The TT was also running a little more level now. 200 miles later when the wind became more steady and what seemed like every single sedan made me sway uncontrollably. Stopped the TV, released psi in ride rite to 30 - almost perfectly even/level. I took the bikes off the back of the TT and chucked them into the back of the truck - best improvement yet.

Checked tire pressures as the TT tires seemed a little flat - 44psi on the money - these tires are stock on the TT - 6 ply if i remember correctly. Some Japanese make. I towed 1200 miles in two days - it was a long drive to say the least.

Oh yes, my sway control bars are as tight as they can go - when turning into gas station or slow corners they grunt and creek a whole bunch, so i think they are tight enough.

Ive seen others guys pass me with 1/2 tonns and they dont even have WDH or sway control bars and seem to be doing fine - am i missing something here? I need to try and get this fixed, cant drive home like this i`ll age 20 years easily.

Attached is what the TV and TT look like hitched and loaded.
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Old 07-12-2016, 12:30 PM   #2
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Just a WAG from the Pic,you are High in the Front of the Trailer! Also you NEED to weigh the Traileras Loaded for Travel and come up with "12-15"% T/W for proper setup! Youroo!!
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Old 07-12-2016, 12:32 PM   #3
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From the pic it looks like you don't have enough tongue weight.
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Old 07-12-2016, 12:35 PM   #4
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Youroo, if i let anymore air out the TV to make the TT level im going to sacrifice something else somewhere. The Truck will no longer be level.

Perhaps i should have the tow hitch lowered to compensate for the air suspension lifting the truck backside up? I dont know. But so you`re saying its as simple as my setup not being level and nothing to do with the bikes on the back perhaps agitating the sway or perhaps even the stock tires on the TT?
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Old 07-12-2016, 12:38 PM   #5
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Ken - could be right, i havnt loaded much into the front of the TT, mostly on the axles where i could. Perhaps i should load up the front of the TT more? Whole that not make the back end of the TT lighter and therefore more "loose" ?

Perhaps take some of the weight loaded in the TV and that to the front of the TT?
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Old 07-12-2016, 12:40 PM   #6
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Drop that ball. You're definitely nose high and lifting the back of the truck with air on top of that. Add to that what you say is almost 200 lbs hanging off the back of the trailer and no wonder you sway. Since your ball is too high, it stands to reason your WDH is going to have to be readjusted as well. Tear it down, measure everything, and adjust it again. It should make quite a bit of difference.
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Old 07-12-2016, 12:44 PM   #7
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what about moving your hitch down a setting or two to bring the nose of the TT down. Defiantly seems to be sitting nose high.
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Old 07-12-2016, 12:47 PM   #8
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Remember also that while airbags will make your TV nice and level, they do nothing... nada, nil, zip, zilch, zero... to distribute weight.
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Old 07-12-2016, 12:47 PM   #9
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Nope I did not say that,Your trailer is UP in the front,your hitch needs Lowered,Ball Down! The # 1 thing is your T/W loaded ready to Roll Down the Road! Bikes at rear come into play on the BAD side! Weight with or without the bikes on the rear,but you STILL Need 12-15 % T/W going down the road!! How much does your trailer weigh with EVERYTHING in/on it ready to Go? Please dont give me the MFG Sticker Info! We/You need Real Weight#! Youroo!!
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Old 07-12-2016, 12:58 PM   #10
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What I would do....level the trailer unhitched. Measure the top of the coupler and adjust your hitch so that the top of the ball is about an inch higher. Unless you have some sort of leveling kit installed on the truck, it's designed to squat a little under load. In your case, I'd probably set the ball AT coupler height since you have air bags and will raise it back up some. Measure your front wheel wells then adjust your WDH to bring the front end as close to that height as possible when hooked up. At that point, if the back end squats too much for you, add a little air to your system. Keep in mind that that will probably require some more adjustment as it shifts the weight distribution somewhat.

Also, double check the max cold pressure on the trailer tires. 44 seems a little low...mine I think were 50 on the last and I'm not sure about my current, I'd have to look. You may also have a sway like feeling from stock tires on the truck. I don't tow with mine enough to mess with LT tires, but I do run XL's on the rear at about 45 lbs when towing and it helps with the "squirm".
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