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Can RA Bushings be changed with truck on ground?

Fordy nine

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City, State
Clifton New jersey
Year, Model & Trim Level
91 Eddie Bauer
I figured out that the rivets must have been removed during my trans rebuild last year.

So Im wondering since I wont have to deal with removing them can I remove the bracket and change the bushings without jacking the truck?

Was under there today changing exhaust seems to be enough room to work.

Do the RA's need to be supported? Can I just support them with jackstand while changing bushings?
 



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Absolutely. Jack it up, undo the big bolt on the RA shaft....drill out the rivets and remove the member and replace the biushings and retrace your steps in reverse. Beware that if the piece that is riveted has undergone a lone time of bad RA bushings the hole may be elongaged. You either need to replace it in that case or have the hole welded and redilled back clos to original ID.

PS. GRADE 8 BOLTS only for replacing the rivets
 






Absolutely. Jack it up, undo the big bolt on the RA shaft....drill out the rivets and remove the member and replace the biushings and retrace your steps in reverse. Beware that if the piece that is riveted has undergone a lone time of bad RA bushings the hole may be elongaged. You either need to replace it in that case or have the hole welded and redilled back clos to original ID.

PS. GRADE 8 BOLTS only for replacing the rivets

Glacier- The rivets are already out

When you say jack it up, jack WHAT up? the truck? or the RA shaft?

I have new brackets and bushings.
 






You probably can do it with all four wheels on the ground... but you'll have more room to work if you jack it up, put it on jack stands, and remove the wheels. But, you will need to place a jack under the radius arms when you're mounting them on again... they tend to want to shift under the tension in the suspension... it can all be done within an hour and a half... probably even less...
 






I wondered the exact same thing, i have bolts in there already too. I was wondering if you could just remove the big bolts, use a jack to take some load off the back of the radius arm (near the bushing) and then undo the bolts and pull it all off. Is that what you are asking? Would the truck fall forward or backward off the axle. Im not willing to find out. Where would you normally support it. At the front of the frame?
 






yeah but its hard... i did mine in my driveway
 






Yes Mysticclaim that is exactly what im talking about.

Just seems like if I put a jack in the center of the Radius arms with a 2" x 4" to bridge both of them, then they will be held up while I unbolt the arms and the bracket bolts. Like i said i dont have to fiddle with the rivets, thanks AAmco.

Also it seems like the RA Bolts should be unbolted first, then the bracket.

Whaddyathink?
 






OK , just got my brackets and bushings a minute ago. Im gonna go buy a 28MM socket now and then attempt to do this change.

BTW, I ordered the $11.88 brackets and the TRW (poly) bushings from parts America, as recomended and the stuff looks top quality. Brackets even came with black oxide nuts and bolts.
 






Let us know how it goes, im going to put a set of adjustable ones in while I save up to fix my rear diff. I have a caster problem I need to fix.
 






OK, Ill tell you how my day went today in a word- TUFF!

I know you guys will get a good belly laugh but lesson 1 if it has never been posted, dont drive your truck in a heated garage after a snowfall and attemp to lay on your back and look up-

Thats right water just kept melting and dripping on my face and my clothes were soaking wet. The space heater made it like a sauna in there, everything fogged up.

Now about the RA pain the ass B's First off I think it would have been easier if the rivets were still in and i had to grind them off- Because getting a 9/16" open end behind the frame rails is damn near impossible (AAmco used 9/16 G8's) The passenger side wasnt too too bad, and they must have used Loctite, but i got em.

The drivers side took me almost 1 and a half hours on the foward bolt alone- I FINALLY got it, was a miricle getting a small box end to hold the nut but after much swearing, and hand contortions.

I was ready to move on but when I found out I couldnt get a 15MM socket on the other 4 frame bolts I gave up for the nite. I was pissed! (I just have some old metrics wrenches, gonna buy a whole set tonight )

Prior to that just to test the strength of the RA nuts, I tried putting my new 28mm impact socket on and found out quick that its super tight where the cat is. So I tapped it on with a hammer, big mistake cause i couldnt get it off for nothing, I had to pry on the cat and tap back on the socket, and you know how that mound of snow forms right there under the front rocker by the wheelwell? Just a bit soaked.

So tomorrow hopefully the floor will be dry, and the truck stop dripping, yes i brushed and kicked off what i could before i started but it just kept dripping.

Now Ive read every post on RAB R&R. Those 4 15mm bolts, I can get them off with just a wrench? I tried with an adjustable naturally it slipped but for the second it grabbed it seems like i would have to fit a pipe over it for leverage. And dang those plastic inner wheelwells.

And what happens when those 4 bolts come out? Do the RA's just drop? how far? I have my floor jack under the front diff, and 4 jacks on the frame rails, but Ill tell ya, with all the torque Im gonna have to use tomorrow Id rather drive the front wheels up on 2 2x6's to raise it up.

Also im buying and impact gun, just got a feeling those RA nuts are gonna be the death of me, and they been soakin in PB blaster for a week.

Wish me luck...
 






We are laughing with you. :)

I bought an electric impact wrench as I dont have air tools and it works great for most stuff so far.


Hope it goes better for you.
 






Me and my pop took about 4 hours to do this... but this was with the rivets still in. For anyone that has rivets: Use a reciprocating saw. Just throw on a metal blade, slice off the head as close as you can, and use a punch and a sledgehammer to bash it out.

We managed to do it without power tools (with the exception of the recipsaw)... but we used pretty major socket wrenches with breaker bars... So it certainly is doable. Besides, we did this outside on the gravel... lifting the truck really does help.

Good luck with those though... they are a *****, as I'm sure most of us know by now...
 






Before attempting to remove the Radius arm bushing nut you should it with a propane torch for 2 minutes. This will burn off the Red loctite used at the factory.. If you don't you'll need tons more force to turn the nut... My 350ft/lbs impact gun wouldn't budge this nut.

The Vice grip below is sweet.. It allows you to grip a fastener with the power of a vice grip to in most cases eliminate any slippage which rounds off bolts. You can slip a length of pipe over the handle and your good to go..

18205Vice_grip_too_.jpg
 






i did the radius arm bushings on a lift and it took me 35 minuets with impact tools... the rest of the bushings I did in the drive way with a floor jack, a torch, and a lot of grease. but the radius arm bushings can be done at home, its just not as easy
 






Ok everybody the jobs done . Dont get me wrong, I like doing this kind of stuff I just didnt know what to expect when I took the RA nuts off, but once they are you get a further understanding of how and why the front suspension works.

I had to stand on a breaker bar to loosen them, but I guess they popped quick cause as I stated in a prior post AAmco hust have removed the bracket to gain acess to the trans. They put tiny little cheesey (but were G8) nuts on.

I also understand why some people use a come a long if they dont have to replace brackets, in order to remove my drivers side bracket I wedged a 2 x 4 between the RA and the frame and you can see the whole front axle assembly swinging foward, as I leveraged down. swingy swingy

I would like to add here a couple of things which I think will take some of the guesswork out of the job, and maybe make it just a bit easier on the next victi, er I mean guy.

This is for reassembly.

When putting the Grade 8 nuts in, I would wholehartedly suggest putting them in from the inside of the frame rails and putting the nuts on the outside. Maybe access is easier if your under a lift. But laying on the ground this is the way to go. I did read that here and its much easier to jack and fiddle with a tapered drift and to push the bolts from the backside out.

Also start with the lower side framerail bolt. Once in, it acts as a pivot point for the upper bolt hole and makes it an up and down positioning type thing, rather than up and down and foward and back Lower bolt first!

Since the larger under frame rail bolts are longer, I would suggest putting the lower one in, and reusing the stock double connected nut, and just turning it enough to grab and hold it, It will lock by itself.

Once this is done, go ahead and tighten the two Grade 8's on the side of the frame rail. Its much easier to do without the longer underframe bolts sticking up and in the way of a wrench and wratchet. BTW, I used a wratchet on the drivers side, and a stubby wrench (on the inside of the frame rails) on the passenger side.

Once these are tightened, you can then twist the partially threaded bolt and locate the other half of the connected nut over the second hole when you put the second bolt in.

I also stuck 2 bolts in the center bracket just to make sure I didnt have to pry and locate the bolts later. (If those easy things gave me a hard time then it would have been all the excuse I needed to give the body a massage with a 4lb. sledge)

Thats about it, those bolts going back in take all the time to finesse, I never got under my truck once, did everything from the sides. Had to get up and down alot though.

The passengers side was totally shot, bracket reamed and cracked and half of the bushing missing, it was metal to metal.

Only put one shoulder bolt back on not 2, cause before I tightened it to 115 lbs., it looked as if I wouldnt be down on the threads enough, but there is. Oh well.

Truck rides much better, no death clunk and no problem hitting potholes now.

Thanks for all the help here. Next project: War15's and front 2" skyjacker springs. Also ordered one of those cargo carriers for the roof, just to be cool. hey you cant see those bushings!
 






So did you end up lifting it off the ground or were the wheels down?
 






I lifted it and left the tires on, just enough to hang the front suspension. Now I see why. Those RA's need to be swung down (2x4 leverage or big pry bar)to pull the bracket off (not much) and the brackets jacked back up to position bolt holes.

Although this could be done with front tires on ground, I can now understand that its easier if the axles are allowed to swing.
 






So you just pry them down enough to take the load off the bracket? I think Ive got it. As soon as I figure out which bushings to order (getting adjustable ones) I will start on mine. Where did you put the jackstands that didnt get in the way of working?

Also, I hate doing auto work when its cold, wish it was summer, wait scratch that Id hate to be out of commission during the summer.
 






hey fordy nine, ur *****in too much, im just kiddin... i did mine last week in the driveway...and it was easy....about 10 min per side including the rivit grinding...bolts came right out but if they didnt i can only imagine how it would be..BTW if you ever need help PM me ur only a few miles away.
 



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Hey got to ***** about somthin!

Mysic, when you get rid of the rivits and pull the bolts the Ra's will come down a bit. I just pryed the drivers side down a bit more to get the bracket off and on. It was just a little bit.

Hey Mud Bug i noticed your not far. Any decent places left to wheel by you or are they just one big strip mall?

Also where do you get your parts locally?
 






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