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Old 07-11-2016, 01:07 PM   #1
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Rear suspension E-450 motorhome

We just bought a 2011 E-350 Coachmen Freelander 21QB with just over 12000 miles on it. We had a wheel alignment and new Michelin tires installed (under recall). It has factory front and rear sway bars and steering stabilizer installed. On our first long trip we noticed it wondered quite a lot especially when in a cross wind or when large trucks passed us. I notice we are not the only motorhomes with this problem. I am currently thinking of installing Firestone Ride-rite air bags. While visiting a local RV dealership to have our fridge repaired, I checked under some other used E450 motorhomes and noticed a different kind of rear stabilizer that I haven't seen before. Could somebody please tell me what it is, because I can't seem to find anything about it on the internet. I will try to upload a photo. Thanks
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Old 07-11-2016, 01:26 PM   #2
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I don't see a picture, but on my E450, I replaced the factory rear 1-1/2 diameter, sway bar with a 1-5/8 sway bar, I found on Amazon.com.

It had a remarkablely positive effect. I no longer constantly check the mirror for approaching trucks and now drive with a few fingers on the wheel.

I actually made a measurment of steering wheel movement during trucks passing and it is no more then 4 inches. Before the new sway bar, I would need to turn the wheel 8 to 10 inches and still almost leave the edge of the pavement.

The other thing you may have seen could be a track bar. That would have been my next improvment, had the sway bar not been so effective.
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Old 07-11-2016, 01:59 PM   #3
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Thanks for the reply. I tried uploading the photo but no luck, I have tried again it looks like it is attached as a thumbnail, hope it is there! The unit I saw attached to the front of the axle near the spring, both sides, looked somewhat like a large black rubber accordion style fixture. I didn't crawl underneath the unit far enough to see if there was a name on it.
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Old 07-11-2016, 02:15 PM   #4
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Wow, that's new to me. That sure looks like an old undercarriage.

Was that a tag axle ?
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Old 07-11-2016, 03:33 PM   #5
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E450 suspension

No, not a tag axle. They had at least 3 that had the same set up. Forest River Sunseeker I believe. 26 - 29 ft, with the Ford E450 chassis.
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Old 07-12-2016, 09:31 AM   #6
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That is a E/Z Cruise made by lippert components, Sumo Springs would be a good option also, most likely easier to locate and install.
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Old 07-13-2016, 07:48 AM   #7
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Thank you for answering my question.
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Old 07-13-2016, 08:05 AM   #8
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What tire pressures are you running? Too high a tire pressure, particularly in the front, could be the cause of your wandering issue.
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