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2022 Ram 3500 trailer sway

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boeller

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Can anyone help? I have a 2022 Ram 3500 dual rear wheel with AIR RIDE suspension. I am having a serious issue when pulling my 40 foot 5th wheel camper. It starts to sway at 60 to 65 MPH I have tried
air ride adjustment but still have issues. I use to have a 2015 Chevrolet 3500 dual rear wheel and never had an issue. Same camper and there were times I didnt realize I was going 75 MPH and never had
a sway problem. I have searched the web for info and called my local dealer but they have never heard of this issue. Is my 5th wheel hitch too low? Too high? does adjusting my 5th wheel hitch height help?
Thank you all in advance for any advice. FYI I have had multiple 5th wheels over the last 15 yrs and have driven tractor trailers so I feel I am not a rookie at this.
Again Thank You.
Brian
 
I'd check tire pressure all around.

Then I check to see if the 5th wheel trailer is level while being towed. Worse being nose up than nose down.

Ive only had those type of issues with unlevel trailers.
 
Sorry I should have said that I put new load range G tires on camper too. All pressures are on the money. I will also check trailer nose.

Thank you for the tip.
 
Had you pulled this truck/camper combo on the old tires? Just the geometry of 5th wheel towing should keep it from swaying. Something must be really amiss. Could the tire shop have left the lug nuts loose? Is it a toy hauler? Too much weight in the back (pin light) can make one squirrelly - still odd for a 5th wheel

.
 
David, yes I have pulled with old tires as the camper is only 1 yr old and I don't like factory tires but decided to hold off until I got new truck that has factory tire sensors for the trailer
that communicate with the factory TPMS system. I personally put tires on and they are torqued to specs. No it isn't a toy hauler. I am totally mind blown by this. I literally came home from camping trip 1oo miles away with my old Chevy 3500 and unhooked it. The next week picked up New truck, hooked up camper and went about 40 miles from home and it was awful towing. Since then its been a mind game on what the heck to do. Not a thing changed with camper. Only thing I can think of is maybe new truck sits higher or lower than old truck and maybe camper ride is a bit different. i have confirmed it all looks level. Can raising my hitch or lowering it change my pin weight? Just curious. CRAZY Stuff. Never had this situation. I have pulled some sketchy stuff before but damn this one has me going nuts.
 
boeller said:
David, yes I have pulled with old tires as the camper is only 1 yr old and I don't like factory tires but decided to hold off until I got new truck that has factory tire sensors for the trailer
that communicate with the factory TPMS system. I personally put tires on and they are torqued to specs. No it isn't a toy hauler. I am totally mind blown by this. I literally came home from camping trip 1oo miles away with my old Chevy 3500 and unhooked it. The next week picked up New truck, hooked up camper and went about 40 miles from home and it was awful towing. Since then its been a mind game on what the heck to do. Not a thing changed with camper. Only thing I can think of is maybe new truck sits higher or lower than old truck and maybe camper ride is a bit different. i have confirmed it all looks level. Can raising my hitch or lowering it change my pin weight? Just curious. CRAZY Stuff. Never had this situation. I have pulled some sketchy stuff before but damn this one has me going nuts.
Click to expand...
What type of hitch do you have?
Does your hitch adjust fwd or aft you may need to move it a bit fwd or aft of the rear axle my
Guess is a bit fwd
 
boeller said:
Can anyone help? I have a 2022 Ram 3500 dual rear wheel with AIR RIDE suspension. I am having a serious issue when pulling my 40 foot 5th wheel camper. It starts to sway at 60 to 65 MPH I have tried
air ride adjustment but still have issues. I use to have a 2015 Chevrolet 3500 dual rear wheel and never had an issue. Same camper and there were times I didnt realize I was going 75 MPH and never had
a sway problem. I have searched the web for info and called my local dealer but they have never heard of this issue. Is my 5th wheel hitch too low? Too high? does adjusting my 5th wheel hitch height help?
Thank you all in advance for any advice. FYI I have had multiple 5th wheels over the last 15 yrs and have driven tractor trailers so I feel I am not a rookie at this.
Again Thank You.
Brian
Click to expand...
You are obviously no rookie. Have you checked the air bag pressures, faulty sensor adjustment?
 
Yes, something is wrong somewhere.
I have the same truck, had a srw with air level a both pull my 40 toyhauler just fine. Obviously the drw is even more stable.
Check for broken spring hangers or flattened springs on trailer first. Then look at truck rear suspension hard.
 
I am pulling a 22K fifth wheel with my dually and I don't even know it is back there. And my trailer sits a couple of inches nose hight. Since the trailer pulled fine with the old truck, I suspect there is a problem with the new truck. I assume you are using the puck system so the pin should be right over the back axle and should not effect handling. Go over the front and rear suspension with a fine toothed comb. That dually should handle like it is on rails.
 
In my experience, Rams both 2500s and 3500s have a tendency to pull a fiver somewhat nose high. Adjust your setup accordingly if possible. That and believe it or not an inadequate lube plate can cause perceived sway issues due to 5th wheel plate binding.
 
If you have a friend with a large 5 th wheel try pulling theirs . Moryde makes cross members that are easily mounted with hand tools . I have them on mine they span your axles and bolt onto the spring hangers and your center equalizer . They definitely knock any trailer sway . Product name is X factor .
 
I would love to know if he ever figured it out or if anybody else figured this out. I just bought a 2022 and it’s doing the exact same thing. I’ve had a 2013 duramax 3500 and towed the exact same trailers with absolutely no issues. Something is definitely wrong with this truck. I’m not sure if it’s the built in trailer sway control or what but if I can’t figure it out I gotta sell the truck.
 
Funny thing, I had the same problem pulling my 5ver, I was fighting trailer sway for 6k miles on my first long trip out west. Someone on this sight mentioned the Alt Trailer Height button. I’m embarrassed to say the least. It worked for me, trailer pulls just fine even in heavy winds.
 
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