4x4 Radius Arm Pivot Bushing replacement
Thread Starter
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Tuned
Joined: Sep 2000
Posts: 380
Likes: 3
From: Denver, PA
4x4 Radius Arm Pivot Bushing replacement
I need to replace my Radius Arm Pivot Bushings on my ’95 F150 4x4. These are the ones with the one bolt through the part that makes it the “Twin-I” beam type suspension. I’ve read a few post about the subject where you remove the bolt and you can air chisel the bushing out. There is not a mention as to what happens when the bolt is pulled. Does the suspension begin to collapse and expose the radius arm pivot bushing end? Then to get it back together do you jack up the end into place and align the bushing hole with the frame hole? Is anything due to spring pressure going to pop out of place? I cannot find a good description of all events from start to finish. Any help?
Postmaster
Joined: Jul 2006
Posts: 3,978
Likes: 0
From: Central PA
Support truck .
Loosen (28mm I think) Nut on rad arm ..
Drill /grind/hammer out rivets on frame mounted bracket.
Remove nut and bracket
remove and clean /reinstall new bushing and mount using hi grade bolts
lower jack
Loosen (28mm I think) Nut on rad arm ..
Drill /grind/hammer out rivets on frame mounted bracket.
Remove nut and bracket
remove and clean /reinstall new bushing and mount using hi grade bolts
lower jack
Post Fiend
Joined: Mar 2002
Posts: 19,402
Likes: 38
From: Bonita Springs FL
I'm confused as to which bushing you're talking about.
You have radius arm bushings, and axle pivot bushings.
The radius arm bushings are behind the axle where the radius arm connects to the radius arm drop bracket.
The axle pivot bushings are in the axle housing and are where the ends of the TTB beams connect to the cross member.
Which are you talking about?
You have radius arm bushings, and axle pivot bushings.
The radius arm bushings are behind the axle where the radius arm connects to the radius arm drop bracket.
The axle pivot bushings are in the axle housing and are where the ends of the TTB beams connect to the cross member.
Which are you talking about?
Thread Starter
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Tuned
Joined: Sep 2000
Posts: 380
Likes: 3
From: Denver, PA
Ok, I guess I even confused myself. The bushing in the beams is what I need. I've aready ground out rivets and replaced the radius arm end bushings. What is TTB? Sorry for the confusion.
Posting Guru
Joined: Jan 2003
Posts: 1,388
Likes: 0
From: SE Texas
Search for my thread on replacing the "axle pivot bushings". These should be pressed out and the new ones pressed in, so I made my own tool for doing these. USe a floor jack uner the axle beam, and put jack stands under the frame while working under there. The beams usually need some persuasion to drop them below the frame bracket in order to get at the bushing. JSM84
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