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Open Roads Forum  >  Class C Motorhomes  >  Class C

 > Worn suspension

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EMD360

Arvada, CO

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Posted: 05/30/21 08:50pm Link  |  Quote  |  Print  |  Notify Moderator

Today someone told me the suspension on our old RV might need work. I was surprised because normally in a car when the suspension is going the ride really changes and there are noises. I had the RV on the road just yesterday and didn’t notice any problems. But it does have over 54,000 miles on it. I also don’t see any uneven tire wear or noticeable sagging. The guy said the right side is lower but I really could not tell. Is it common to need new leaf springs?
I had the rear brakes fixed last year at a truck shop and they didn’t mention a problem with the suspension. How can I tell if it’s really a problem?


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tobydad

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Posted: 05/31/21 06:04am Link  |  Quote  |  Print  |  Notify Moderator

The key word in your 1st sentence is "might". If you have not experienced any noticeable change, then there probably isn't any. You can always use a tape measure on each rear corner to the ground to determine any sagging. If you have air bags in the rear suspension, then check for leaks or check that the pressure is equal in each air bag.

Gjac

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Posted: 05/31/21 06:29am Link  |  Quote  |  Print  |  Notify Moderator

To see if one side is sagging park the MH in a flat parking lot and measure the ride height front and back at the 4 corners, compare those measurements to what the chassis manual says. Is your front end IFS or straight axle?

EYEMLOST

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Posted: 05/31/21 06:49am Link  |  Quote  |  Print  |  Notify Moderator

EMD360 wrote:

Today someone told me the suspension on our old RV might need work. I was surprised because normally in a car when the suspension is going the ride really changes and there are noises. I had the RV on the road just yesterday and didn’t notice any problems. But it does have over 54,000 miles on it. I also don’t see any uneven tire wear or noticeable sagging. The guy said the right side is lower but I really could not tell. Is it common to need new leaf springs?
I had the rear brakes fixed last year at a truck shop and they didn’t mention a problem with the suspension. How can I tell if it’s really a problem?


Are the shocks factory originals?

Does the RV's rear live at maximum axle weight all the time?


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Gary45

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Posted: 05/31/21 07:32am Link  |  Quote  |  Print  |  Notify Moderator

You can visually inspect the leaf springs, normally one or two leafs can crack/break and you will not feel anything.

ferndaleflyer

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Posted: 05/31/21 07:41am Link  |  Quote  |  Print  |  Notify Moderator

Good luck checking all 4 corners. To many cargo things affect that, even fuel, water, and waste tanks. 54,000 is nothing.

Lwiddis

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Posted: 05/31/21 08:16am Link  |  Quote  |  Print  |  Notify Moderator

If you want to do something, new shocks might be in order, but it seems you were happy before this unsolicited “advice” and having no issues.


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bobndot

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Posted: 05/31/21 09:57am Link  |  Quote  |  Print  |  Notify Moderator

If you cant see where its sagging then how much could it really be sagging ?
I would get a second then third opinion from mechanics who can actually look it at and who know what they are looking at.

EMD360

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Posted: 05/31/21 02:23pm Link  |  Quote  |  Print  |  Notify Moderator

It’s been raining so I haven’t gotten under it. The answer to living at full axle weight is probably. It’s been years since I weight it fully loaded. But my specs say if all the tanks are full I have 239 lbs carrying capacity. That’s maybe one adult and a kid. As I recall I wasn’t over on my four corners weight fully loaded except for passengers. I just stopped worrying about it. Maybe it will show up in a suspension issue. I’m going to check it out.

Grit dog

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Posted: 06/01/21 12:29am Link  |  Quote  |  Print  |  Notify Moderator

^That really makes no sense if you’re almost overloaded with just tanks full.

Check out your springs. And as said above, you may just be worrying about nothing. But you won’t know unless you check.


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