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Control arm question...

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Old Mar 30, 2005 | 10:30 PM
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Default Control arm question...

I pulled my upper & lower control arms and brought them to a reputable Corvette mechanic to remove/install the bushings. They were in pretty bad shape when I removed them, so I had them sand-blasted and primered. Delivered them to the mechanic clean with the existing bushings in place. The control arm shafts were sorta frozen but moved with some exertion & a wrench to assist.

Now, with new bushings, two of the shafts rotate freely, one of them rotates with difficulty and the last one only turns with a wrench applied.

Did the mechanic do something wrong? Are these still usable?

Thanks in advance,

D. Ocean
Miami, FLA
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Old Mar 30, 2005 | 10:37 PM
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If I understand you correctly my guess is some of the bolts are loose and some are tighter which doesn't matter since they shouldn't be torqued down until they're in the car with weight on the wheels, especially if they're rubber.
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Old Mar 30, 2005 | 10:46 PM
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I agree with jdmick loosen up the bolt a bit, unless your shaft or the arm is bent. Did your Mech. press them in or install them with a hammer?
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Old Mar 30, 2005 | 10:46 PM
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Originally Posted by jdmick
If I understand you correctly my guess is some of the bolts are loose and some are tighter which doesn't matter since they shouldn't be torqued down until they're in the car with weight on the wheels, especially if they're rubber.
The control arms are still un-mounted. No bolts, yet.

D. Ocean
Miami, FLA
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Old Mar 30, 2005 | 10:47 PM
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Originally Posted by jeaux
I agree with jdmick loosen up the bolt a bit, unless your shaft or the arm is bent. Did your Mech. press them in or install them with a hammer?
I believe they were pressed. I didn't see any marks indicative of hammering.

D. Ocean
Miami, FLA
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Old Mar 30, 2005 | 10:55 PM
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Originally Posted by 74FLCONV
The control arms are still un-mounted. No bolts, yet.

D. Ocean
Miami, FLA
Just to clarify, I'm talking about the bolts on the front and back of the control arms that go into the shafts, not the bolts that mount the arms to the car.
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Old Mar 30, 2005 | 11:00 PM
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Correct. No bolts on the bushings/shafts yet. The condition(s) I described is just the control arm shafts mounted in the bushings.

D. Ocean
Miami, FLA
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Old Mar 30, 2005 | 11:05 PM
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Sounds like the one that is hard to move may have been slightly bent. If you can still move it with your hands, you should be OK to use it.
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Old Mar 30, 2005 | 11:17 PM
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I don't think I'd worry about it. When you tighten the end shaft bolts all the movement should be in the bushing itself. Correct me if I'm wrong but with rubber ones the only movement allowed is the twisting of the rubber. With poly there is movement between the shaft bushing and the poly inner bushing.

Last edited by jdmick; Mar 30, 2005 at 11:21 PM.
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