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Radius Bushings

From the Singleton site, and where I got my first info a couple years ago...

"I would suggest purchasing the GRADE 8 bolts prior to taking the part off, since you might have a little trouble finding them. You will need 4 bolts, I bought 4 bolts, 8 washers, and 4 nuts (all grade 8) for about $3.55 at my local NAPA store. I bought them all the same size (about 7/16" diameter with size 14 threads work perfectly). Get 3 bolts about 1 1/4" long, and 1 about 3/4" long. This is VERY IMPORTANT and will save you much grief. I bought them all the same size (1 1/4") and it caused me an extra hour and a half work.

The procedure:

First, jack up the car and place it firmly on jack stands. You will NEED the jack stands, because the passenger side is difficult to remove with the jack holding the car by the suspension. The weight of the car puts enormous pressure on that radius arm. I put the jack stand in the center of the car, and jacked the car up at the big end of the radius arm.

First, remove the two bolts holding the radius arm bracket to the frame of the car. They are pointing toward the ground.

Next, remove the 4 bolts holding the center of the two brackets together.

On the driver's side, you will also need to remove the fuel filter, contained in the frame of the car. Do this by removing the two nuts holding the bracket in place.

To remove the two rivets, (they are horizontal) I used a Dremel motor-tool with a cutting "blade" on the end (like the one they use in the commercial to cut the nail). Make sure you have several, I chewed up about 4, and I only had rivets on one side (the driver's side). If you have rivets on both sides you will need at least double that many. Remember this is VERY HARD STEEL. I cut several slots in the head of the rivet, to remove most of the material. Then I used an air chisel to remove the rest of the head of the bolt, and a steel punch to knock the rest of rivet out. This will be by far the hardest part of replacing the radius arm bushings.

Next, remove the large nut at the end of the radius arm. I used a huge adjustable wrench to remove it. Remove the nut and NOTICE THE WAY THE PARTS FIT TOGETHER. This is important. The bracket should be removed.

Remove the old bushing, and put the new one on the same way. Don't forget the heat shield on the passenger side, it protects the rubber bushing from the heat of the cat. converter next to it.

Replace the bracket, and put your new grade 8 bolts in place of the rivets. On the driver's side, use the SHORT bolt in the front, or you will have difficulty replacing the fuel filter bracket. I didn't use a short bolt, and had to cut a slot in the bracket."

I found that Pep Boys had grade 8 bolts in the appropriate sizes. A note, the passenger side can all be longer bolts.
 



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jlxplorer said:
This might be dumb but what size bolts do you use to replace the factory rivets?? and thats it once the rivet is drilled out the bushing just slides out and the new one just pops in??

You'll need a 28 mm 6 point deep socket (not commonly available) for the radius arm nut. I got mine from KD Tools. http://www.kd-tools.com/

And what Glacier991 posted above, from the Singleton site, is excellent information...
 






is there a chance that the bushing could just come loose? mine looks as if it did and the noise its maken is it just clappen back and forth
 






It could have. Sometimes the bushings literally disentegrate, and then you're getting metal-on-metal contact! That's very bad. You need to put new bushings on there asap.
 






the bushing is new looking like someone had already had the driverside replaced, and it looks ass if it came loose, or something, could this be right?
 






Anyone know what to torque the large radius arm nut to when tightening? I replaced the bushings twice 3-4 years ago with bushings from my local CRAPA and the plastic/nylon cup had broke so I had to do the work again but this time I bought both sides of the x-member along with new everthing from the local stealership but it didn't include any torque specs and I asked a guy from service but he "couldn't find any""cough cough bullsh*t cough". Now that I looked to see if the heat sheild is there, it's not it must have fallen off because the bushings are wasted so now it's back to the crooks I go watch it not be a stocked item anymore! :fire:
 












The Moog set I bought the other day said to torque to 100 lbs, but the Chilton says to torque to 113, so somewhere in that area.
 






Pictures of radius arm bushing replacement

After reading the previous posts and following the advise found in this thread I decided to do the job myself like most have done. I used the drillout of the rivet method which was actually very easy to do as long as you are patient and steady (used 4 different bit sizes). I did it myself and it took 6 hrs. Most of the problem I ran into was near the end of the process, replacing the driverside bracket. I had trouble getting it to align back to the holes properly on the driver side (bolted it last).

After the job was complete it hurt to move since I did the job without any breaks and was on a concrete floor (at least it was inside). Anyway, the persistent clunking noise is gone and the pull to the right I have had for the past year (even after 3 trips back for alignments) has now vanished. This was well worth the time it took. I want thank everyone for their inputs to this site. I have used the advise found here many times and it is always right on track asa long as you do your research.

Pictures of the process can be found at http://home.att.net/~metjt/wsb/index.html. I know they are a bit large but at least you can get good close ups.
 






jmgadget said:
Most of the problem I ran into was near the end of the process, replacing the driverside bracket. I had trouble getting it to align back to the holes properly on the driver side (bolted it last).

Yes getting the last half of the bracket lined up is sometimes difficult. The last time I did it, I used a crowbar to "convince" the bracket to line up.

jmgadget said:
After the job was complete it hurt to move since I did the job without any breaks and

heh. Been there. :) That stuff makes you tough though.
 






Glacier991 said:
ps. in the for what it is worth category, while there are proponents of several different ways of removing the rivets, for my money and based on trying several ways, drilling them out is the easiest way.

Center punch the middle of round rivet head so your drill bit won't wander off on you, and then using like a 3/16's bit, drill down into the head of the rivet, deep enough to get the the shaft of the rivet. Change to a larger size bit and repeat. Go up in size until you have drilled thru the head down to the shaft. Next take a punch (an air chisel with a punch is ideal) and bash out the rivet from the side you just drilled. When you reassemble replace the rivets with GRADE 8 (!!) 1" bolts. GRADE 8 is IMPORTANT!

.

I have to agree! I did mine today. Grinder on one side drill the other. Drilling worked much better and quicker.
 












If you use the grinding method make sure to get wheels made for steel they work alot faster than the masonary ones. Also the best way i think to do it just by popping the head off with a air chisel is you have one. It takes like 3 minutes per rivet just jack it up and get a good angle and hold on the air chisel and fire away should just come off no problem the pop it though with a punch in the chisel.
 






I put a lowering kit on a F150 where I had to remove some rivits. I cut a notch in the rivit then used a air chisel to remove the rest. This method seams to have worked really well. I too have been reading all I can to replace the radius bushings. I think I too will go with the remove the rivit method. Only because this will happen again and if not I someone will be thanking me!!!!
I also need to replace ball joints. Anyone know how hard this will be?
Mark
 






the come along works. if your strong enough
 






Think you could get these rivets out with a Sawsall and a punch and hammer?
 






SBJ420 said:
Think you could get these rivets out with a Sawsall and a punch and hammer?
You would have to be a surgeon with a sawzall and have a really good blade.

I used a old drill bit and worked ok. A drill with a good sharp bit would work better.
 






SBJ420 said:
Think you could get these rivets out with a Sawsall and a punch and hammer?
No...you really need to remove the rivet head by drilling, grinding, or Chiseling (or combination of all three). I wouldn't attempt this with a sawsall..
 






Good enuff! Drill it is. This is going to be fun! haha ...
 



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Can I do this on car ramps or will I need to jack it up some place to take a load off?
 






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