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Old 05-08-2009, 10:27 AM   #1
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2005 Hurricane 31' sways badly

I have a 2005 Hurricane by Four Winds on a Ford F-53 chassis that sways badly on poor highways. It has front and rear sway bars and new Road King shocks. I purchased the shocks in hopes of correcting the problem. They helped very little. Any suggestions would be much appreciated.
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Old 05-08-2009, 11:08 AM   #2
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Hi swink1943,
Welcome to iRV2. My assumption is the swaying mentioned in the OP is the coach body leaning sideways, left and right. Is this correct? Sometimes folks describe swaying when the driver must constantly correct the steering because the coach wanders from left to right. Lastly there are vendors who can add air bags to the suspension.

The reason I ask is the possible solution is different depending on if it is coach roll or steering correction.

If the problem is coach rolling left and right, in addition to what you've already installed, consider a track bar. The track bar will go on the rear suspension. It helps keep the rear of the coach and the drive line centered. Also, check the spring mountings to the frame. Make sure nothing has worn causing "slop". Next would be to try stiffer springs.

If the problem is steering wander, post here and we can go down that path.
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Old 05-08-2009, 04:29 PM   #3
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2005 Hurricane 31' sways badly

Thank you for your response. Yes, the body is leaning left and right. It is not in the steering. Its like it has no sway control at all.
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Old 05-09-2009, 07:29 AM   #4
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Shocks really don't do much for sway - that's what the anti-sway bars are for. You probably need larger ones.
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Old 05-09-2009, 08:02 AM   #5
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Thanks for your comments.
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Old 05-09-2009, 10:33 AM   #6
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Welcome swink1943 to irv2.
I had two Newmar coach's on Ford chassis's that needed beefing up because the chassis couldn't carry the box without rocking and one the rear passenger duels would rub the top of wheel well when it rocked to that side while traveling.
The first coach I went to a good spring company and they added leaf springs all around and leveled the coach on chassis and raised it almost 3". It improved the ride and control of the motorhome on the road.
The second one I added Air-Lift bags all four corners with controls to add air up near the drivers seat. Dependant on the load, water in tanks, fuel, LP could adjust the level while traveling.
They now have auto adjust controls to do the same thing. Will adjust for level it is set for by you.
I found better control with the Air bags that improved the ride and control, the first coach the control was solid , a softer ride with air bags.
The costs for both systems was around $1200, back in 2000, I installed the air bag system myself you would have to figure install cost added if someone else did it and get someone that is good not CW or the likes as them.
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Old 05-10-2009, 07:22 PM   #7
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We had an '01 Hurricane 29D on a Ford Chasis. It swayed like crazy! It swayed in the wind, it swayed when being passed by big trucks and it was at it's worst when you got caught in the center lane while being passed by two big rigs on either side. Lots of white-knuckel driving in that MH. We had extra leaf springs, shocks and steering dampeners added within the first year of ownership. It helped some but not much. I think it's the nature of that beast (Meaning Hurricane). We heard the same thing from other Hurricane owners in our travels. In 2003 we went to a 41 foot Gulfstream diesel pusher with air-ride. Problem solved.
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Old 05-14-2009, 04:50 PM   #8
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Unless there are 30+ mph wind gusts, my 2007 Hurricane 31D is a two finger driving experience. I'm probably more tolerant as I've driven many different vehicle configurations over the years and expect less than the crisp handling of modern cars and trucks. 250+ sq ft of sail area is going to get pushed no matter how many suspension aids are added. I might add a track bar to make the wind gusting a little more pleasant but when the winds start hitting 40-50 mph it is time to park or find a more protected side road at slower speed.

Getting tensed up results in over reacting and compounding the situation. Most roads allow a little bit of wonder and a gentle correction calmly applied keeps us between the ditches just fine. Pitching & rolling is to be expected with a high center of gravity and is a lot less than being on the Flybridge of a boat in calm seas. Relax and you will get used to it.

There no amount of suspension aids that will make these gassers handle much better than a Yugo. DPs are a whole different chassis/weight distribution but are considerably more costly.
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Old 05-15-2009, 07:17 AM   #9
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Actually, the winds haven't been a problem. This MH handles quite well even with high gusts. The main problem is when the highway has dips. When you hit one, the MH starts rocking left and right. New Road King shocks helped a little, but did not solve the problem. I think the problem is the rear factory sway bar. It has six 90% turns. I have ordered an aux. rear Roadmaster sway bar designed for this chassis. I will report back when it has been tested. This order, I'm told will take a month or more to receive.
Carey
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Old 05-15-2009, 05:52 PM   #10
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After I got used to a Flybridge on a boat, any rocking & rolling any MH goes through can be relaxing, as long as there are no sudden lurches that involve the ditch or the opposite lane with no more than an automatic, relaxed reaction.

I'm in no hurry, in my RV & will adjust to match any condition to keep it it fun & not be a nuisance. I like the panoramic view & ability to take a break anytime i want,,,
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Old 05-23-2009, 01:52 AM   #11
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I had the same problem you have esp when exiting uneven driveways the coach would rock about 3 times. After I had Firestone Ride-Rite air springs installed on the rear it helped with about 1/2 of the rocking. They were about $250 installed. Make sure you don't tie them together with one valve; use individual valves or else when one is absorbing a bump it will shoot air into the other causing it's own rocking.
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Old 05-23-2009, 01:57 PM   #12
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Hi Carey,
Also try Motion Control Units. Go to http://www.irv2.com/photopost/showphoto.php?photo=10503 to see them on my coach. Go to http://hendersonslineup.com/uncatego...-control-unit/ to see the units and where to buy.

These units made a huge different in my coach and the problem you described. They are one of the few products that works better than advertised.
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Old 06-06-2009, 09:17 AM   #13
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I received the Roadmaster aux. rear anti-sway bar and installed it in about 4 to 5 hours. It corrected the problem to a comfortable degree. No more white knuckles. Thank you for all your comments.
Swink
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Old 06-06-2009, 08:34 PM   #14
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Quote:
Originally Posted by swink1943 View Post
I received the Roadmaster aux. rear anti-sway bar and installed it in about 4 to 5 hours. It corrected the problem to a comfortable degree. No more white knuckles. Thank you for all your comments.
Swink
Thanks, Swink, glad to hear you solved your "roll" problem (and that Gene 2 is not completely correct.) I have a "yaw" problem (tail-wagging) and am having a track bar built and installed by Henderson's Line-Up in Grants Pass, OR.
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