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upper control arm alignment cam pins missing

upper control arm alignment cam pins missing

Postby dale002 [OP] » Dec 04 2011, 5:09am

Hi,I'm new to the forum. I look forward to reading your guy experiences with this type of truck.

I have a 2010 Silverado 1500. The front upper control arm alignment cam pins, three have fallen off and one is really sloppy. Has anyone experience this problem? I was told the plastic pinned adjusting cam insert are removed during the firsalignmentnt and are not reinstalled. Are the pin requirementnt? Can they be replaced? The holes where the pins are missing seem to elongated,It would need over size pins in those holes.
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Related Topics  question on upper control arm   2012 silverado upper control arm bushing   Jounce bumper/upper control arm bracket bent   issue with RC 3.5 lift upper control arm on drivers side   RC 2.5 lift kit upper a arm rubbing   Loose control arm   Camburg Upper Control Arms   Upper and Lower Control Arms   lower control arm stops   '07-'13 1500 RC Upper Control Arms FS (Los Angeles) $100   Replacing upper control arms on 1995 K2500 - need advice   pitman arm idler arm replace   Anyone know what size push pins to use?   Door Hinge Pins on 00 Silverado 1500 
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Re: upper control arm alignment cam pins missing

Postby ASTE25ASTE25 is online! » Dec 06 2011, 5:00am

Has it ever been aligned? Does it seem like the adjustment bolts are loose?
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Re: upper control arm alignment cam pins missing

Postby dale002 [OP] » Dec 06 2011, 5:24am

ASTE25 wrote:Has it ever been aligned? Does it seem like the adjustment bolts are loose?


No,this is the first time . Had new tires put on it and was going to get the aligment checked. The aligment guy noticed the pins missing and recomended not to touch it if it's was driving straight. However the truck pulls slightly to the right,which is the side the pins are missing. The bolts are tight. I've order a pin replacement kit,but I'm worried that they will fit loose as well and eventually fall off. The aligment guy said,the pins are needed as the cam rides on them to adjust the upper control arm.
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Re: upper control arm alignment cam pins missing

Postby ASTE25ASTE25 is online! » Dec 06 2011, 5:29am

Yes, they would be needed to make the adjustment, however, once the adjustment is done tightening the bolts should keep it where it should be. You may have to just get the new pins welded in if the holes are wallowed out. (I think I know the pins you are talking about, but not 100% sure if I have it in my mind right).
Jordan
2013 Blue Granite Metalic Silverado 2500HD Z71 4X4 extended cab regular bed
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Re: upper control arm alignment cam pins missing

Postby dale002 [OP] » Dec 06 2011, 6:01am

ASTE25 wrote:Yes, they would be needed to make the adjustment, however, once the adjustment is done tightening the bolts should keep it where it should be. You may have to just get the new pins welded in if the holes are wallowed out. (I think I know the pins you are talking about, but not 100% sure if I have it in my mind right).

They are made a Raybestos, I was told they were made to replace the ones that have worked there way loose and are made to take up some of the wear on the hole.
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Re: upper control arm alignment cam pins missing

Postby ASTE25ASTE25 is online! » Dec 06 2011, 6:21am

It must be a fairly frequent problem. Sounds like it will be no problem to fix. Good to know.
Jordan
2013 Blue Granite Metalic Silverado 2500HD Z71 4X4 extended cab regular bed
6.6L Duramax/Allison 6 speed
Line-X premium over the rail (black)
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ASTE25ASTE25 is online!
Shifting into Sixth Gear! [L3]
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Posts: 10870
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Images: 21
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Joined: Jan 03 2011, 6:37am
Years of membership: 3 years of membership3 years of membership3 years of membership
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Year: 2013
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Extra Info: 2500HD Z-71
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