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Old 05-26-2013, 11:00 AM
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Upper A Arm bushing wont press in!

I'm rebuilding the front end on a 1973 Chevy Nova and I'm trying to get the upper A arm bushings in. They appear to be the same size as the old ones, but I can't get it to sit in the bore and press in. It either tries to go in crooked, or it just buckles and pops out with the press. I've tried using a ball joint press and a 12 ton shop press and neither can get it in the bore. I tried filing the bore a bit to make room and I tried heating up the bore to expand a bit, no luck. Any suggestions?

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Old 05-26-2013, 11:25 AM
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Sounds like they need to be measured. Could be the wrong diameter.
Grab some digital calipers and check to be sure , They sound like they are made wrong or are not the correct part. Don't modify your arms to fit the bushing.
Be sure to check the inside bore for fit as well
If you are going to modfy anything, I would throw the bushing in a drill press and run a file over the shell a few times.If you have to tae more than a few thousanths off, then the bushings are totally wrong.you cant take too much off the shell as it will weaken it after you get real thin, and the bushing can collapse while in use. That would mess up the algnment you just payed for.
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Old 05-26-2013, 11:59 AM
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thx, Ill stop right where I am right now. They dont even rest in the bore properly, they just dont fit. I'll check the bore with my digital caliper and see whats up. So the bushing should be a few thousandths smaller than the bore but by how much?
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Old 05-26-2013, 03:11 PM
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Not sure. Mt thought is less than .001 difference in diameter/bore size.
They need to be snug or the will move .
Measure them, if the diameter is .050 larger then you know what the trouble is.
If they go, but are kinda tight, you can heat the bore of the arm with a propane torch to expand it some , then swiftly press the bushing in.
never had any troubles putting bushings in like that.Keep us posted on your findings.
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Old 05-26-2013, 04:25 PM
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okay cool, the bore measures 1.31 inches and the bushing is 1.30 so theyre enough clearance to make it happen, it just seems like it doesnt want to cooperate with me though.
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Old 05-26-2013, 04:36 PM
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Should slide right in. Try grinding a short taper on the end of the bushing to help get it started. Not a lot, just enough for the bushing to get a start .
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Old 05-27-2013, 12:27 PM
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Are you pushing on the metal flange of the outer shell, or on the rubber? It's necessary to push on the shell. I use large a socket or section of pipe that is the correct diameter.
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