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leaf springs
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Brent
Posted 2017-06-02 8:45 PM (#4698)
Subject: leaf springs


Contributor

25
Location: Seabeck Washington
Has anyone ever replaced a leaf spring bushing. I can tell one of mine is not good anymore. Are they available?
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LCAC_Man
Posted 2017-06-03 8:00 AM (#4699 - in reply to #4698)
Subject: Re: leaf springs


Extreme Veteran

1001001001002525
Location: Oceanside, CA
I looked at the parts manual and it just has an FMC part number assigned so that isn't going to get you anywhere. I expect you'll have to measure it and find a match. Prothane, Daystar and Energy Suspension all make polyurethane leaf spring bushings in a variety of sizes so once you have measurements I'd bet it wouldn't be tough to find the match.
Getting bushings out of leaf springs is a real job, they make the bushings by taking a thin wall metal tube, and interior bushing and injecting rubber around it. Then press that assy in the spring eye...after a few years of corrosion/expansion they really don't want to come out. There's a few ways to do it...most are detailed well on youtube videos.
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hemi354az
Posted 2017-06-03 12:34 PM (#4700 - in reply to #4699)
Subject: Re: leaf springs


Veteran

1001002525
Location: Scottsdale, Aridzona
http://www.truckspring.com/suspension-parts/leaf-springs/bushings.a...

Please share with us the Part Number of the Front Leaf Spring BUSHING you determine is the same as the unknown stock one. Thanks.
Bush ON ! Lou#120
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Brent
Posted 2017-06-03 12:55 PM (#4701 - in reply to #4698)
Subject: RE: leaf springs


Contributor

25
Location: Seabeck Washington
i will let everyone know as soon as i do. I have ball joints and tie rod ends being delivered, after that i will get to the spring. It's always a race to get outside projects done before the rain starts again.
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hemi354az
Posted 2017-06-03 3:05 PM (#4702 - in reply to #4701)
Subject: Re: leaf springs


Veteran

1001002525
Location: Scottsdale, Aridzona
What Part Number(s), Cost(s), and Supplier did you get your ball joints and tie rod ends from ?
Other FMCers might like to know. Thx, Lou #120

Edited by hemi354az 2017-06-03 3:05 PM
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Brent
Posted 2017-06-03 4:32 PM (#4703 - in reply to #4698)
Subject: RE: leaf springs


Contributor

25
Location: Seabeck Washington
Ball joints ( part OEM: RP10107, Item: 36095) were $81.00 each at https://www.carpartsdiscount.com/catalog/cadillac~series-62~60.html?...
Tie rod ends ( part numbers E-4604 & E-4605) were $20.00 each at https://www.vanhorntruckparts.com/home.html
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hemi354az
Posted 2017-09-09 11:02 AM (#4963 - in reply to #4701)
Subject: RE: leaf springs


Veteran

1001002525
Location: Scottsdale, Aridzona
Brent, did you ever get front leaf spring bushings ? Supplier ? PART NUMBER(s) ? Cost ?
Thx, Lou #120
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Brent
Posted 2017-09-10 9:16 PM (#4970 - in reply to #4963)
Subject: RE: leaf springs


Contributor

25
Location: Seabeck Washington
I haven't got to the spring yet. At this point it will probably be one of next summers project. I finished the ball joints and tie rod ends and finally took it out camping. When I do the spring bushing i will be sure to share the details. I don't have a shop to work in during the bad weather.
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hemi354az
Posted 2017-09-10 9:21 PM (#4971 - in reply to #4970)
Subject: RE: leaf springs


Veteran

1001002525
Location: Scottsdale, Aridzona
Thanks for responding. Others are looking for the same bushings . . . but no Part Numbers or Source yet.
They will Post if they find them.
Lou #120
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LCAC_Man
Posted 2017-09-11 7:59 AM (#4972 - in reply to #4971)
Subject: Re: leaf springs


Extreme Veteran

1001001001002525
Location: Oceanside, CA
I was thinking about these bushings a while back and it would seem that just having some steel shoulder bushings(with a separate steel sleeve) made would fit the need. Since the control arm bushings are what isolates the vibration of the road/tire all these bushings do is provide a pivot/load transfer to the lower control arm. Taking some time to get the dimensions correct for a nice press fit would be required, but, after that they'd be cheap/easy to make and would likely last the life of the coach (or at least the spring).
You could probably make them from a lot of different materials, some of the high performance composites like PEEK or UHMW Poly could do it as well..
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Brent
Posted 2017-09-11 4:01 PM (#4973 - in reply to #4698)
Subject: Re: leaf springs


Contributor

25
Location: Seabeck Washington
this is the site i was checking out for the bushings https://www.truckspring.com/suspension-parts/leaf-springs/bushings-t...
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LCAC_Man
Posted 2017-09-11 4:13 PM (#4974 - in reply to #4973)
Subject: Re: leaf springs


Extreme Veteran

1001001001002525
Location: Oceanside, CA
I think it's going to take one of us to pull that apart and get the dimensions; I don't think they are documented anywhere.
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