Helper Spring Removal question

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Oct 1, 2007 | 06:15 PM

psquare7575

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Fleet Mechanic

Joined: Feb 2006

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From: MA

Helper Spring Removal question

So someone, somewhere along the line added what looks to be factory "Helper springs" to my F100. I need to remove them. I have no need for them A, and B, they won't work with the lowering shackles.

My question is this.. If you look at this picture.

You'll see from top to bottom
Plate, helper spring, small block, leaf spring, axle, u bolts.

What exactly needs to stay? Does that small block need to remain?

What will the new order be from top to bottom?

Plate, leaf spring, axle, u bolt?

Oct 1, 2007 | 06:21 PM

Bullitt390

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yep, u-bolts, axle, spring pack and the top plate.

Josh

Oct 1, 2007 | 06:22 PM

460

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Joined: Mar 2005

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From: In the Middle

The block and helper spring can go, making the new order Plate, leaf spring, axle, u bolts. I'm not sure how the leaf spring centering pin works on these trucks, but it may have to be replaced if it goes through the block and both spring packs. My guess is that it just goes through the spring.

Oct 1, 2007 | 06:33 PM

m78

More Turbo

Joined: Apr 2007

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There's a little play in those centering pins so when you put it back together, measure from the shackle bolt to axle tube to get both sides the same.

Oct 1, 2007 | 11:28 PM

ErrorS

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my helpers didnt have a centering pin on the block, all I did was remove them, retighten the ubolts and I was done.

Oct 1, 2007 | 11:49 PM

czaroc

Senior User

Joined: Feb 2007

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You are supposed to replace your U-bolts and nuts too.

They are substantially weaker when reused. kinda like torque-to-yield head bolts. The threads deform when torqued to spec... part of how they "lock"

Oct 2, 2007 | 12:03 AM

75F350

Post Fiend

Joined: Jul 2006

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He does not realy have a choice. Notice the threads,,,,,bolts are too long once everything is removed.
Good point though.

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Oct 2, 2007 | 01:38 AM

masterbeavis

Postmaster

Joined: Aug 2000

Posts: 3,312

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From: Eldorado Ca. USA

if you need something really out of the ordinary as far as U-bolts go, look in the phone book for an auto spring service, they can custom bend anything you want.