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Control Arm Issue - help

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Old Aug 31, 2018 | 12:32 PM
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Default Control Arm Issue - help

today i decided to clean the wheels and decided to take them out, i noticed the bushing of the Control Arm are broken (rear).

Some Questions i have:
is this something common, and it is ok to ignore?
should i replace it ?
what can cause this?

Also i have the following:
  • Z51 sway bar
  • Z51 shocks (recent upgrade - 3 months)
  • aFe Control Heavy Duty Street End Links i used to have the gm ones (recent upgrade - 3 months)
  • lowered on stock bolts all the way
  • 36K miles
Thanks;
-M


Last edited by michelve; Sep 1, 2018 at 01:27 PM.
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Old Aug 31, 2018 | 01:43 PM
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Can't tell anything from that picture...just black inside red circle, not clear what part of the suspension is shown. Looks like lower arm outer end ball joint.

Replacing ball joints is big job that requires special tools. Most will last 100K+ before needing replacement.
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Old Aug 31, 2018 | 03:43 PM
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i have uploaded an image that is less zoom in
basically in the image above where the circle is the bushing has a vertical crack


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Old Aug 31, 2018 | 03:44 PM
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Originally Posted by WelderGuy
Can't tell anything from that picture...just black inside red circle, not clear what part of the suspension is shown. Looks like lower arm outer end ball joint.

Replacing ball joints is big job that requires special tools. Most will last 100K+ before needing replacement.
see the previous post - with new images
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Old Aug 31, 2018 | 04:34 PM
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I still cannot tell what specifically is "cracked," metal, rubber boot??? Unfortunately, I'm not at my car so I can go compare to your pix. But, if metal FIX immediately, if rubber it will let water in until fixed; NOT good, either. Sorry, I cannot do better.
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Old Sep 1, 2018 | 09:13 AM
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That will let water in, and grease out of your ball joint...not good over time. Should be replaced sooner rather than later.
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Old Sep 1, 2018 | 09:55 AM
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i did a search to get a better picture with better lighting - this is part from is from an older model, but you get the idea




i did a catalog search, it says that:
Due To A Redesign Of The Ball Joint, The Components May Need To Be Replaced As A Pair. Please Contact Your Local GM Dealer For Additional Information.

so i guess i have to buy the whole component, can someone verify this is the right component: https://www.gmpartsdirect.com/oem-pa...l-arm-20965286

Thanks;
- M
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Old Sep 1, 2018 | 01:20 PM
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It's possible the ball joint is only available already installed in the suspension arm, which is going to be expensive. That would probably require less time for the mechanic, though. There's a very slim chance the rubber seal is available separately, though. You need to look at a parts book or service manual. You'll need an alignment after the work is done, too.
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Old Sep 1, 2018 | 01:25 PM
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Originally Posted by WelderGuy
It's possible the ball joint is only available already installed in the suspension arm, which is going to be expensive. That would probably require less time for the mechanic, though. There's a very slim chance the rubber seal is available separately, though. You need to look at a parts book or service manual. You'll need an alignment after the work is done, too.

i will just buy the whole components is only $122.25 and installed it myself and have the dealer do the alignment.

do you know what can can cause this part to break so prematurely? i only have 36K miles

Last edited by michelve; Sep 1, 2018 at 06:45 PM.
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Old Sep 1, 2018 | 01:27 PM
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p.s. maybe is time to do that upgrade i wanted to do, get the z51's control arm
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Old Sep 1, 2018 | 01:35 PM
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What's different about the Z51 arms?

Have you ever left the car jacked up for a long time? That might damage the seal. More likely it's just cheap OEM stuff, or a fluke.
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Old Sep 1, 2018 | 01:35 PM
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I wouldn't use the word break. It is more than likely torn. It may have happened during assembly but I would be talking to the dealer about a replacement under a good will warranty now that you have hit 36K miles. What year car do you have? Is it over 3 years old? Sometimes GM will authorize goodwill warranty replacement of parts like this when the warranty has just run out.

Bill
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Old Sep 1, 2018 | 01:38 PM
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^^^ That's definitely worth a shot. If you don't ask, the answer is always no.
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Old Sep 1, 2018 | 06:49 PM
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Originally Posted by Bill Dearborn
I wouldn't use the word break. It is more than likely torn. It may have happened during assembly but I would be talking to the dealer about a replacement under a good will warranty now that you have hit 36K miles. What year car do you have? Is it over 3 years old? Sometimes GM will authorize goodwill warranty replacement of parts like this when the warranty has just run out.

Bill
i have a 2015 build I already passed the bumper to bumper warranty I will give Gm a call
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Old Sep 1, 2018 | 11:43 PM
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Originally Posted by michelve


i have a 2015 build I already passed the bumper to bumper warranty I will give Gm a call
No, I don't think you're reading what was posted correctly. Talk it over, face to face, with your DEALERSHIP.. If the part was changed by design as posted above, it's probably a newer design that was made to fix an issue. Maybe you have the "issue" ones. And you did notice it's replace by pair, not just one. I think Bill Dearborn ad Welder Guy have the right suggestions. Good luck.
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Old Sep 2, 2018 | 01:51 AM
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Is it getting more wear from running lowered?
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Old Sep 2, 2018 | 08:18 AM
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I just found the OEM ACDelco ball joint alone at Rockauto for $54.
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To Control Arm Issue - help

Old Sep 2, 2018 | 09:13 AM
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Originally Posted by Kracka
I just found the OEM ACDelco ball joint alone at Rockauto for $54.
can u post a link?

found it.
but it says is for front only,
ACDELCO 45D2339 {#19186956, 89050221} Professional
Front Left Lower


--- UPDATE:
i did a deeper search today and i found the following article regarding a recall for ball joints and lose bolts for 2015 production cars.
link: https://www.cars.com/recalls/chevrolet-corvette-2015/

Recall Number
15V031000
Recall Date
01/26/2015
Component
SUSPENSION
SummaryGeneral Motors LLC (GM) is recalling certain model year 2015 Chevrolet Corvette vehicles manufactured September 26, 2014, to October 2, 2014. In the affected vehicles the toe link outer ball joint on the rear suspension may not have been properly tightened during the assembly process. The Toe link may loosen with the vehicle use and eventually separate.

ConsequenceA toe link separation can result in a reduction in vehicle stability and steering control, increasing the risk of a vehicle crash.


What Owners Should DoGM will notify owners, and dealers will inspect and replace any damaged parts, free of charge. The recall began February 23, 2015. Owners may contact GM customer service at 1-800-222-1020 (Chevrolet). GM's number for this recall is 14857.

Last edited by michelve; Sep 2, 2018 at 09:28 AM.
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Old Sep 2, 2018 | 09:39 AM
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Simply elevate the wheel off the ground and use a long pry bar to try to wiggle the joint up and down. There should be zero play (movement) in the joint up and down. If the ball joint has up and down movement, it needs to be replaced. And could be the result of you lowering the car. Some of the rubber boots have weep holes for excess grease to flow out of,..
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Old Sep 3, 2018 | 12:47 PM
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Originally Posted by Chevette!?!?
Simply elevate the wheel off the ground and use a long pry bar to try to wiggle the joint up and down. There should be zero play (movement) in the joint up and down. If the ball joint has up and down movement, it needs to be replaced. And could be the result of you lowering the car. Some of the rubber boots have weep holes for excess grease to flow out of,..

i will try and report back...
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