Good Sam Club Open Roads Forum: Travel Trailers: Trailer sway
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 > Trailer sway

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jotityra

michigan

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Posted: 08/15/20 04:35am Link  |  Quote  |  Print  |  Notify Moderator

Can trailer tires cause trailer sway? I have a 2015 jayco 26bh and I am sure the hitch is setup correctly, but I am getting more sway than I would like. When a semi or a truck pass by it really pulls the trailer. This is my first trip with the new truck, which is way better than my last one. But I still get a little bit more sway than I'd like. I'm thinking that the tires are original on the camper and the side walls are not stiff enough to hold up to being pushed around. That's my working theory anyway. The trailer is a 2015 jayco 26bh with original tires, towing with a 2020 f150 supercrew 4x4 5.0 3.55 rear end. I know the tires are due for replacement anyway but the tread looks great so I thought we would get through this year with them. We weren't sure if we would get any camping done this year at all but it looks like we have a few trips planned. This is the 2nd year we have owned the camper. Also the tires are power king st205/75r15 towmax str load range c. I am looking at the Goodyear endurance trailer tires as I like the specs and reviews on those. The hitch I'm using is a Eaz-Lift Recurve R3 with the sway control incorporated into the hith, my other thought is to add a sway control bar to the hitch but the reviews on this hitch are good and people seem to like it

[image]


2015 Jayco Jay Flight 26BH. Towing with a 2020 F150 supercrew 4x4 with a 5.0L V8 and 3.55 rear end

MarkTwain

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Posted: 08/15/20 04:50am Link  |  Quote  |  Print  |  Notify Moderator

jotityra wrote:

[image]Can trailer tires cause trailer sway? I have a 2015 jayco 26bh and I am sure the hitch is setup correctly, but I am getting more sway than I would like. When a semi or a truck pass by it really pulls the trailer. This is my first trip with the new truck, which is way better than my last one. But I still get a little bit more sway than I'd like. I'm thinking that the tires are original on the camper and the side walls are not stiff enough to hold up to being pushed around. That's my working theory anyway. The trailer is a 2015 jayco 26bh with original tires, towing with a 2020 f150 supercrew 4x4 5.0 3.55 rear end. I know the tires are due for replacement anyway but the tread looks great so I thought we would get through this year with them. We weren't sure if we would get any camping done this year at all but it looks like we have a few trips planned. This is the 2nd year we have owned the camper. Also the tires are power king st205/75r15 towmax str load range c. I am looking at the Goodyear endurance trailer tires as I like the specs and reviews on those. The hitch I'm using is a Eaz-Lift Recurve R3 with the sway control incorporated into the hith, my other thought is to add a sway control bar to the hitch but the reviews on this hitch are good and people seem to like it.[image]


I would start with switching to a 16" rim if it will fit and "G" rated tires. I have had good luck with the Good Year tires. Stay away from any off brand Chinese brand tires. You could also add 1 sway control bar and if needed add a second sway control bar.

valhalla360

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Posted: 08/15/20 05:12am Link  |  Quote  |  Print  |  Notify Moderator

Have you weighed the rig to see what the hitch weight is?

Most common issue causing sway is too little hitch weight.

If you are on "C" rated tires now, I would not move up to "G" rated. That's way too big of a jump. It would be like the trailer ridding on rocks.

There will always be some sway when a semi passes. If it's more than you are comfortable with, I would check into a sway bar.

PS: I'm not seeing the torsion bars on your picture. I assume you do use them when actually traveling?


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cavie

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Posted: 08/15/20 05:22am Link  |  Quote  |  Print  |  Notify Moderator

Just add a sway bar to your hitch. Chain hung bars do not provide sway control.


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eHoefler

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Posted: 08/15/20 05:37am Link  |  Quote  |  Print  |  Notify Moderator

I would reverify you have your hitch setup correctly, since you have switched tow vehicles.


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Sjm9911

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Posted: 08/15/20 05:39am Link  |  Quote  |  Print  |  Notify Moderator

I'll add my 2 cents. You need new tires anyway, so going to a d would be good. Thats a heavy TT, max weight like 7000 lbs. Whats your truck rated to pull? Next i would air up my truck tires, and the ones on the TT. Also make sure you have more weight in the front of the TT wheels. So shift what you carry forward. See where your water tank is, might have to travel with it empty. Vut evwn woth tose things, you will feel it move when passed etc. Just the nature of towing something that big. Also i agree with the checking on a good sway bar.


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guidry

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Posted: 08/15/20 06:04am Link  |  Quote  |  Print  |  Notify Moderator

If you inspect your tires after each stop then that isn't your problem; however, you should immediately get rid of those original tires. Manufacturers put the lowest bidder's (ie: cheapest) tires they can get away with. G rated (as suggested) would be my recommendation. As for the sway, sway control set-ups help after sway starts. If you really want to eliminate sway then upgrade your tow vehicle to one that is built for towing and not daily driver. When I went from a 1/2 ton to a one ton there was immediate comfort in towing and no more white knuckles every time I got passed by a big rig.

jotityra

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Posted: 08/15/20 06:10am Link  |  Quote  |  Print  |  Notify Moderator

valhalla360 wrote:

Have you weighed the rig to see what the hitch weight is?

Most common issue causing sway is too little hitch weight.

If you are on "C" rated tires now, I would not move up to "G" rated. That's way too big of a jump. It would be like the trailer ridding on rocks.

There will always be some sway when a semi passes. If it's more than you are comfortable with, I would check into a sway bar.

PS: I'm not seeing the torsion bars on your picture. I assume you do use them when actually traveling?


The bars go up and not down.like this.

[image]

jotityra

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Posted: 08/15/20 06:12am Link  |  Quote  |  Print  |  Notify Moderator

cavie wrote:

Just add a sway bar to your hitch. Chain hung bars do not provide sway control.


This style of hitch does not have chains, the sway control is like a brake shoe around the place where the bars go into the hitch.

jotityra

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Posted: 08/15/20 06:18am Link  |  Quote  |  Print  |  Notify Moderator

Sjm9911 wrote:

I'll add my 2 cents. You need new tires anyway, so going to a d would be good. Thats a heavy TT, max weight like 7000 lbs. Whats your truck rated to pull? Next i would air up my truck tires, and the ones on the TT. Also make sure you have more weight in the front of the TT wheels. So shift what you carry forward. See where your water tank is, might have to travel with it empty. Vut evwn woth tose things, you will feel it move when passed etc. Just the nature of towing something that big. Also i agree with the checking on a good sway bar.


Truck is rated to tow 9100lbs. The fresh water is in front of the wheels and goes the full width of the camper. I did have some black and gray in the tanks from not emptying after sanitizing the lines and flushing from last season. That may have some to do with it. Maybe sloshing around? I usually carry 1/3 or less fresh water for flushing the toilet and washing on the road. We use our bathroom at rest areas. I carry all of the leveling boards and most equipment in the front storage area. I think I am doing all that has been suggested by everyone which is bringing me to the tires.

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