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A body lower control arm bushing #1260358
07/01/12 04:19 PM
07/01/12 04:19 PM
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Amherst,NY
challengermike Offline OP
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Im putting in new strut rod bushings on my 72 dart. When i got the lower control arm off i noticed something that didnt seem right.Is the lower control arm bushing suppost to be loose where it go's threw the control arm? The rubber part seems fine but the outter shell is loose and wobbles in the hole on the arm. Im wondering if the arm itself is worn or that its normal.

Re: A body lower control arm bushing [Re: challengermike] #1260359
07/01/12 05:06 PM
07/01/12 05:06 PM
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Fresno, CA
Jim_Lusk Offline
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The pivot is loose in the control arm. It can be fixed. I have a video of the process I need to upload to Youtube, but the basics are that you need to cut the weld on one side of the bumper plate and clamp the two halves together and reweld the plate. Tack the plate in place and make sure that the pivot still spins.

Re: A body lower control arm bushing [Re: Jim_Lusk] #1260360
07/01/12 05:30 PM
07/01/12 05:30 PM
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Amherst,NY
challengermike Offline OP
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I see what you are saying, it does tighten it up some but i think my arm is worn to much.I put the arm in a vice and tightened it up and i still can get a small flat head screwdriver tip to fit inbetween the the bushing outter shell and the arm. the outter shell doesnt have a groove in it like its worn. I guess my next question would be is do they repop lower arms or should i be looking for one at a junkyard ?

Re: A body lower control arm bushing [Re: challengermike] #1260361
07/01/12 06:24 PM
07/01/12 06:24 PM
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Amherst,NY
challengermike Offline OP
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I did cut it apart and rewelded it. I also welded a brace on the back side to keep it tighter. The last pic is the gap between the bushing and the arm. This will get me by untill i find an arm i think.

7273118-055.JPG (52 downloads)
Re: A body lower control arm bushing [Re: challengermike] #1260362
07/01/12 06:25 PM
07/01/12 06:25 PM
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Amherst,NY
challengermike Offline OP
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2nd pic

7273122-056.JPG (64 downloads)
Re: A body lower control arm bushing [Re: challengermike] #1260363
07/01/12 06:26 PM
07/01/12 06:26 PM
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Amherst,NY
challengermike Offline OP
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gap

7273123-061.JPG (49 downloads)
Re: A body lower control arm bushing [Re: challengermike] #1260364
07/01/12 09:08 PM
07/01/12 09:08 PM
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JohnRR Offline
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Quote:

I see what you are saying, it does tighten it up some but i think my arm is worn to much.I put the arm in a vice and tightened it up and i still can get a small flat head screwdriver tip to fit inbetween the the bushing outter shell and the arm. the outter shell doesnt have a groove in it like its worn. I guess my next question would be is do they repop lower arms or should i be looking for one at a junkyard ?




How many miles on the car , that is sort of a wear point , but it's not a press fit there , A replacement arm is probably in your future , nothing is repeopped .

Re: A body lower control arm bushing [Re: JohnRR] #1260365
07/01/12 10:39 PM
07/01/12 10:39 PM
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Amherst,NY
challengermike Offline OP
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Quote:

Quote:

I see what you are saying, it does tighten it up some but i think my arm is worn to much.I put the arm in a vice and tightened it up and i still can get a small flat head screwdriver tip to fit inbetween the the bushing outter shell and the arm. the outter shell doesnt have a groove in it like its worn. I guess my next question would be is do they repop lower arms or should i be looking for one at a junkyard ?




How many miles on the car , that is sort of a wear point , but it's not a press fit there , A replacement arm is probably in your future , nothing is repeopped .




Im not sure how many miles it really has. The car was turned into a racecar a few owners before me, so the speedo hasnt been hooked up in how long. All i know is the strut rod bushings were so bad that it caused one of the upper control arm mounting points to crack off the frame rail from moving foward and backward so much. Im guessing thats why the lower arm is worn so bad there.

Re: A body lower control arm bushing [Re: challengermike] #1260366
07/02/12 12:31 AM
07/02/12 12:31 AM
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Fresno, CA
Jim_Lusk Offline
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That's not uncommon, especially on the arms that don't have a lip on the main parts. It seems some later arms are just like that one (and so is the one I used in the video). I believe a lot of arms left the factory with slop. I'll get the video uploaded within a few days and you can see the difference in early/late arms there.

Re: A body lower control arm bushing [Re: Jim_Lusk] #1260367
07/02/12 07:15 AM
07/02/12 07:15 AM
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Kent, Wa
340SHORTY Offline
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The bushing presses tightly into the hole that it goes into. The part it presses into is made to pivot.


I am truckless..
Re: A body lower control arm bushing [Re: 340SHORTY] #1260368
07/02/12 10:13 AM
07/02/12 10:13 AM
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JohnRR Offline
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Quote:

The bushing presses tightly into the hole that it goes into. The part it presses into is made to pivot.




Exactly , the thread is title incorrectly , there is noting wrong with the bushing .

Re: A body lower control arm bushing [Re: challengermike] #1260369
07/02/12 10:18 AM
07/02/12 10:18 AM
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St. Clair Shores, Michigan
bigsbigelow Offline
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I have dealt with two A body front ends recently and all four LCA's were like you describe. I figured that is just they way they are.


Ryan "Bigs" '73 Duster (BLKDUST) - Black, 100% factory sheet metal, flat hood, 346 cid, J Heads, and a bench seat. http://s268.photobucket.com/albums/jj1/bigsbigelow/ Best to date: 12.40 @ 109 mph
Re: A body lower control arm bushing [Re: bigsbigelow] #1260370
07/02/12 11:06 AM
07/02/12 11:06 AM
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Fresno, CA
Jim_Lusk Offline
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Got the video uploaded. If you don't want to watch the whole thing go to about 1:50 to see the difference in the main body of the arms (lip/no lip).

http://youtu.be/Nwes-SP8u4w

Re: A body lower control arm bushing [Re: Jim_Lusk] #1260371
07/02/12 12:52 PM
07/02/12 12:52 PM
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JohnRR Offline
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Great video Jim .

I was just thinking while watching that if a person wanted to salvage fix the one without the lips one could machine up a couple of rings that slip over the pivots and weld them to the side of the arm .

Re: A body lower control arm bushing [Re: JohnRR] #1260372
07/02/12 01:35 PM
07/02/12 01:35 PM
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Posts: 18,678
Fresno, CA
Jim_Lusk Offline
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Quote:

Great video Jim .

I was just thinking while watching that if a person wanted to salvage fix the one without the lips one could machine up a couple of rings that slip over the pivots and weld them to the side of the arm .




Sure could...

Re: A body lower control arm bushing [Re: JohnRR] #1260373
07/02/12 10:42 PM
07/02/12 10:42 PM
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Amherst,NY
challengermike Offline OP
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Quote:

Great video Jim .

I was just thinking while watching that if a person wanted to salvage fix the one without the lips one could machine up a couple of rings that slip over the pivots and weld them to the side of the arm .




I was thinking the same thing. But finding an arm shouldnt be to hard. I thought about taking a huge washer and hole sawing it out but that seems like a pain.

Re: A body lower control arm bushing [Re: challengermike] #1260374
07/03/12 10:42 AM
07/03/12 10:42 AM
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JohnRR Offline
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Quote:

Quote:

Great video Jim .

I was just thinking while watching that if a person wanted to salvage fix the one without the lips one could machine up a couple of rings that slip over the pivots and weld them to the side of the arm .




I was thinking the same thing. But finding an arm shouldnt be to hard. I thought about taking a huge washer and hole sawing it out but that seems like a pain.





That would be a pain since it needs to be a specific size on the OD so finding something thick enough and then being able to hole saw it out in the center would be a bear of a task , I have a lathe at work I can use and could whip something out on my lunch break.

Finding an arm shouldn't be too hard , save the swaybar mount off your old arm so you don't restrict your search , plus arms without swaybar tabs should be dirt cheap ...







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