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Old 06-04-2015, 02:31 PM   #1
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Wiggle not Sway w F150 in crosswind

I am running a 2013 F150 3.5EB with Equalizer Hitch towing a 22FB.

I have towed quite a few trailers with different vehicles so I know what sway is. (My 1992 Ford Explorer taught me that).

When I tow my 22FB with the F150, the setup is nice and level - dealer set up properly and it tows really well under most circumstances up to 65 mph or more with no issues.

I have noticed under certain circumstances that there is what is best described as a 'wiggle' - not visible but it feels like the trailer is moving on the vertical slightly - ie: the top of the trailer moving slightly side to side but not the bottom and not side to side sway.

It happens on the highway and seems to be when there is a cross-wind.

It performs fine when passing semis or being passed - no sucking or blowing to speak of, but when driving at highway speed in a cross-wind I feel it.

As I said, I can't even see any movement in my mirrors, but it is definitely there and if I change direction - ie: from an East-West highway to North, it can go away which is why I'm pretty sure it is the cross wind.

Anyone else experience this? Any improvements that can be made except slowing down or putting up with it? It can feel weird, but does not seem unsafe at all.

Would having more weight in the trailer help?
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Old 06-04-2015, 02:54 PM   #2
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Doug,

I have felt something similar to what you describe a couple of times, but both those times I was encountering SERIOUS cross winds: In short, I should not have been on the road!

I have never felt the top of the trailer being 'wiggled' except for those times.

You and I have significantly different trucks. It may be with my l-o-n-g, heavy, 4WD truck, lesser 'wiggles' are not as easily felt.

Not much help, but that's all I got.
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Old 06-04-2015, 02:58 PM   #3
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I appreciate the response. It only happened one day really on my last trip and we went all the way from Toronto to Maine and back, so it's not all the time. It just seemed more noticeable on an open highway - ie: no wind breaks and gusty winds.

I could not really tell how high the winds were - they didn't seem excessive.
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Old 06-04-2015, 03:00 PM   #4
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The reason I was asking about the weight in the trailer is that on the way down I had a pretty full fresh water tank and on the way back it was a lot less. I was conjecturing that if the trailer was lighter it might tend to have more movement in the suspension?
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Old 06-04-2015, 03:03 PM   #5
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I wonder if you have a higher center of gravity? A little more tongue weight might help. Are you good about checking your tire pressures? I have driven with low tire pressure only once and I had a lot of issues, fairly white knuckle driving, into high head wind.

About a year ago I changed tires on my TV, afterwards I did not like the performance, the tow did not feel as good, I would not call what I had as a sway, but something, maybe a wiggle. I bumped up the rear tire pressure in the TV by 5 psi and the performance was greatly improved. This year I increased the tire pressures all around by another 2 psi, and performance has been greatly improved. I am still well under the max tire pressure for the tires I put on the vehicle, just higher than the OEM tires.
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Old 06-09-2015, 10:33 AM   #6
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Check your tire pressure and make sure wheel bearings are tight on you trailer. Low pressure or loose bearings will allow for more movement side to side by the trailer.
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Old 06-09-2015, 11:48 AM   #7
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Side to side? Never. Something's wrong.
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Old 06-09-2015, 12:09 PM   #8
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Quote:
Originally Posted by Upuaut View Post
The reason I was asking about the weight in the trailer is that on the way down I had a pretty full fresh water tank and on the way back it was a lot less. I was conjecturing that if the trailer was lighter it might tend to have more movement in the suspension?
Water in the tank will have a HUGE influence on the feel of the rig!

Any turn, in-lane-correction or hill will cause several hundred pounds of water to slosh!

And yes, it can be felt at the driver's seat.

Memorial Day was the last time I will tow with a full tank of fresh water. We finally found a source close to our campsite. The performance of the rig with and without 40+ gallons of water was remarkable!

You are sensitive to your rig. Keep it up.
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Old 06-09-2015, 02:02 PM   #9
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Quote:
Originally Posted by mike837go View Post
snip...
You are sensitive to your rig. Keep it up.
X2
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Old 06-12-2015, 09:07 AM   #10
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Side to side? Never. Something's wrong.
Mine wiggles more at night when we are setup and not even hooked up to the TV

Sorry I had to.
Could it be the road surface? I have noticed wiggles or vibrations from the road surface.
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