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Open Roads Forum  >  Tech Issues

 > Leaf Spring Failure - Replace the Others?

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CarnationSailor

Cathedral City, CA

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Posted: 01/19/23 07:59am Link  |  Quote  |  Print  |  Notify Moderator

buc1980 wrote:

After 3 springs broke during the years I get fed up and install the IS .That system put the end of the worry to get stock on the road.


What's the "IS"?


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Veebyes

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Posted: 01/19/23 09:17am Link  |  Quote  |  Print  |  Notify Moderator

About 6 years ago I replaced my stock 6 leaf spring packs with 7 leaf spring packs thinking that would put an end to any concerns about spring failure.


Wrong!

Had a catastrophic failure of one spring pack in Newfoundland last year. No 7 leaf replacements were available. The best trailer shop on the island only had 6 packs & only 2 of them in stock.

Bought the 2 of them & spent 2 days swapping both sides on the front axle. Tough job but DW & I got it done.

So now we are riding on 6 packs fwd & 7 packs on the aft axle. One 7 pack spare riding in truck box. 6000 miles later, no issues.


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lenr

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Posted: 01/19/23 09:20am Link  |  Quote  |  Print  |  Notify Moderator

Since OP has a broken spring, he also has an equalizer. If it’s doing its job the wheel weights on the same side will be very close if not the same. A bigger problem in trailers is one side weighing more than the other. The CAT scales that I have used have curbing that doesn’t allow side to side weighing, but I’ve had individual wheel weighing done at an RV rally. That showed that the wheels on the same side were equal or within 50 lbs. But, it also showed that the heavy side (often the appliance side) was 950 lbs. more than the light side. Worse yet, it showed the heavy side to be overloaded for the springs and hubs. We moved some stuff around and started carrying less fresh water (the fresh tank runs front to rear on the heavy side—great design!) and shifted the difference to 750 lbs. now a little below the suspension rating. I was able to verify the improvement by finding a grain elevator scale where I could weigh with one side on the scale with the other side off.

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Posted: 01/19/23 09:44am Link  |  Quote  |  Print  |  Notify Moderator

buc1980 wrote:

After 3 springs broke during the years I get fed up and install the IS .That system put the end of the worry to get stock on the road.


Smart decision ! ! I did the same but it was B-4 I broke a spring or 2


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ford truck guy

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Posted: 01/19/23 09:48am Link  |  Quote  |  Print  |  Notify Moderator

CarnationSailor wrote:

buc1980 wrote:

After 3 springs broke during the years I get fed up and install the IS .That system put the end of the worry to get stock on the road.


What's the "IS"?


IS = Independent Suspension Morryde

It is an unbelievable system, but with that come a price tag that is steep... To those who have it, its like non other, to those who never had it they have no idea just how nice it rides...

I believe I paid $6800 back in 2019 for mine last one, as I have had the system on my last 3 RV's

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