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Old 04-06-2011, 01:01 PM   #1
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Question Tag axle problems

We have just purchased our first MH, 93 Coachmen Royal 36'. Had the front end alignment done and the tech told me that the rubber bushings between the drive axle and the tag axle needs to be replaced. Does anyone know what he is talking about? Can this be done by me or do I have to take it somewhere and have it done? How would I find out the chassis info on the what axles I have under this rig. All I know is that it is on a Ford chassis, 1993 I think. Any help will be greatly aprreciated.
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Old 04-06-2011, 01:30 PM   #2
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Hi phrevilo70, and Welcome to the Forum!

There are a couple different things that the tech could be talking about so I would suggest you have him actually SHOW you the parts he says need replacing.

First, there are no bushings between the drive and tag axles so there is some sort of misunderstanding there.

Im guessing he is either referring to the sway bar bushings, cheap and easy to replace and commonly need replacing on older coaches - or the rubber "spring blocks" that your tag axle is suspended by - less likely.

Here is a bit of info on the rear sway bar bushings.
F53 rear sway bar bushings causing excessive sway - iRV2 Forums

Those axle mount bushings may be hard to find locally but there is a seller on eBay that carries them. The end link bushings should be available from any auto parts store. Tell them it is for a Ford F53 "stripped chassis".

If you can turn a wrench, you can do it yourself.

Enjoy your new motorhome!
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Old 04-06-2011, 05:21 PM   #3
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Rubber sping blocks

That must be what he was pointing to between the axles. They are about 4 to 5 inches square and vulcanized between two steel pieces. there is a set in front and one set behind the 4 inch sq tube that they are bolted on. Looks like there are about 8 bolts to take out. They do look a little rough, coming apart, etc. Is this a simple fix?
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Old 04-06-2011, 07:28 PM   #4
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I believe those are called rubber "shear springs" if I'm not mistaken. You probably have the MOR/ryde suspension on your tag axle.
Here's their site: MOR/ryde - Products - Suspensions - Motorhomes

When you access their site, click on the small picture showing the suspension system to enlarge it.

Good luck
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Old 04-09-2011, 10:03 PM   #5
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Quote:
Originally Posted by LVJ58 View Post
I believe those are called rubber "shear springs" if I'm not mistaken. You probably have the MOR/ryde suspension on your tag axle.
Here's their site: MOR/ryde - Products - Suspensions - Motorhomes

When you access their site, click on the small picture showing the suspension system to enlarge it.

Good luck

If it is a mor/ryde tag axle it is called a rubber spring assembly.

I just replace them on my 2000 Dolphin. i took about 45 min per side with my 14 yr old son helping me. I can be done at home.
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Old 01-02-2015, 11:49 AM   #6
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I Just bought a 89 RV with tag with the same problem converting to air bags but keeping the mor/ryde in with it I'm spending about $200.00 for all air bags steal plates for mounting and air fittings, and air lines will post steps when done
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Old 01-03-2015, 12:27 AM   #7
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Replace the rubber springs on my coach about two years ago, myselv and a friend. Ordered from Mor/Ryde. When I called them they are year and make of coach, they knew which springs I needed. If you have the know how and tools including correct rated jack stands you can do it. The attached service manual describes how to replace the springs.
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File Type: pdf SMART-ryde Tag Axle Service Manual.pdf (908.5 KB, 187 views)
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Old 01-04-2015, 09:29 AM   #8
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I have the tools to do it my self but I have 4 to replace see pic this is one side but I'm up on the jacks im looking at about $600.00 to replace all I have pick up air bags for $154.00 shipped I'm spending maybe $45.00 on steel, air fitting/lines and fab work I had the steel from another project I did I will be buying the mor/ryde as I can but I still need a way to raise the back because I scrape going in and out of parking lots and some intersection that one reason the other is the mounts are twisting up and binding I need to be able to fix them I'm also need tires three are over 8 years
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Old 01-04-2015, 09:48 AM   #9
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Putting the air bags here
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Old 01-04-2015, 09:53 AM   #10
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This is where the mor/ryde is hitting the floor of rv
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Old 01-05-2015, 12:02 AM   #11
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Your rear suspension is Mor/Ryde, no leaf springs. I use to work with guy that his coach has the same as yours. He had to replace the rubber springs a few years ago.
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Old 01-06-2015, 10:18 AM   #12
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Mor/ryde

This is my m/h dry look at the roof line of Rv next to the hotel I stayed in marked in red it's dragging tail
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Old 01-06-2015, 07:47 PM   #13
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My parents bought a 1977 Holiday Rambler with the same tag axle / suspension system you have. Something definitely looks amiss. I was ten when we bought it. Just left the family a few years ago with almost 200,000 miles on it.

In the photo where you show where it's touching the floor, something doesn't look parallel. Could be the photo, hard to say exactly.

In doing a google image search to find exactly how it's laid out, I did come across a thread where the frame rail actually twisted. It's a different system, but some of the pictures look similar.

It's in this thread.

I need to find some more pictures....
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Old 01-07-2015, 01:30 AM   #14
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Bent support brackets
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