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Open Roads Forum  >  Class C Motorhomes  >  Class C

 > My Class C Majestic is loud and all over the road!

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Claybe

Denver, CO

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Posted: 06/14/18 08:20pm Link  |  Quote  |  Print  |  Notify Moderator

Tires are fine. Road is bad. RV is cheap. Not exhaust noise. Just wondering if others have experienced this or not and if anything can be done or not. Also wondering about the swaying. Hope all are well!

mockturtle

AZ

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Posted: 06/14/18 09:22pm Link  |  Quote  |  Print  |  Notify Moderator

Claybe, I used to have a Born Free C on a Ford 450 chassis and it liked to wander, too. My mechanic said the alignment was fine and that it was 'a Ford thing'. I got used to it after a while and so will you. But my Chevy is a dream to drive by comparison.

Not sure about the noise as I don't know the nature of the noise you're describing.


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BFL13

Victoria, BC

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Posted: 06/15/18 07:02pm Link  |  Quote  |  Print  |  Notify Moderator

Doghouse not sealed? Catches loose?


1. 1991 Oakland 28DB Class C
on Ford E350-460-7.5 Gas EFI
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2. 1991 Bighorn 9.5ft Truck Camper on 2003 Chev 2500HD 6.0 Gas
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CharlesinGA

South of Atlanta, Georgia

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Posted: 06/15/18 07:56pm Link  |  Quote  |  Print  |  Notify Moderator

mockturtle wrote:

Claybe, I used to have a Born Free C on a Ford 450 chassis and it liked to wander, too. My mechanic said the alignment was fine and that it was 'a Ford thing'. I got used to it after a while and so will you. But my Chevy is a dream to drive by comparison.

Not sure about the noise as I don't know the nature of the noise you're describing.


I have read of many people (three different discussion boards) saying their alignment guy said it was "fine" only to find out that his idea of "fine" was about 3 degrees of caster. When those same people heeded the advise of others in the thread and found a cooperative alignment guy, they reported that +5 degrees or so of caster (and proper tire inflation for weight) cured the wander. Many alignment people will swear that they know what they are doing, but don't have a clue when it comes to RV's.

Charles


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ron.dittmer

North-East Illinois

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Posted: 06/16/18 07:58am Link  |  Quote  |  Print  |  Notify Moderator

Hi Claybe,

I can't comment on the noise, but I can share our experience with our 2007 Ford E350 chassis motor home.

Brand new, the rig handled like a drunken sailor. Later that same year in 2007, I took the rig to our local truck/RV suspension shop. $3900 later and the rig handles like an SUV. What a huge difference, well worth the cost for handling & safety, comfort for all, and greatly reduces driver fatigue. Champion Frame Align in Elgin IL did the following.

- Added a rear Roadmaster heavy duty stabilizer bar (the E350 lacks one through year 2007)
- Replaced the wimpy stock front stabilizer bar with a Roadmaster heavy duty version.
- added a rear trac bar (was recommended because we tow another vehicle)
- replaced the stock shock absorbers with heavy duty versions
- replaced the wimpy stock steering stabilizer with a heavy duty Safe-T-Plus version
- did a front wheel alignment (was off so bad they installed offset bushings to get it right)
- determined the proper tire pressure. (make sure your tire gauge reads accurately)

That was 11 years ago. We have enjoyed driving our rig ever since. Our replacement shocks were the red adjustable Koni-RV (set to heavy-duty) but they went bad recently. I am replacing them this month with Bilstein heavy duty RV shocks.

Each motor home has it's own characteristics due to the differences in size, shape/aerodynamics, adjusted wheel base, load, and the distribution of the load. So what works well for one motor home might not be necessary for another. I advise to weigh your rig to determine the right tire pressure, and also a good wheel alignment (done so as it will be loaded for a trip) and the heavy duty front and rear Helwig stabilizer bars. That would a great start. I do think you will also end up investing in a heavy duty steering stabilizer. If you want to cover all your basis up front with best results, then do as we had done. You can't go wrong that way.

* This post was last edited 06/16/18 12:46pm by ron.dittmer *   View edit history


2007 Phoenix Cruiser model 2350, with 2006 Jeep Liberty in-tow

Claybe

Denver, CO

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Posted: 06/16/18 08:25am Link  |  Quote  |  Print  |  Notify Moderator

Great info, thanks Ron!

pnichols

The Other California

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Posted: 06/16/18 10:53am Link  |  Quote  |  Print  |  Notify Moderator

This is kind of a dumb and simple thing that can make for overly loud engine noise and road noise: Is your doghouse cover properly seated down snug into it's rubber sealing rim ring ... and are the locking clamps that hold the doghouse tight down onto the sealing ring still in good condition, adjusted for maximum tightness, and fully engaged?

We have not yet had this issue with our Ford chassis based Class C, but we had a Dodge van based camper once where this definitely caused a noise problem ... and boy was it loud when even one of it's doghouse motor cover clamps was not properly locked down.

* This post was edited 06/19/18 08:54am by pnichols *


Phil, 2005 E450 Itasca Spirit 24V

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