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Discussion Starter · #1 ·
Hey all, first post here.

My girlfriend has a 2011 Cruze LT with ~ 60k miles. She recently got all 4 tires replaced (General Altimax RT43, OEM size) and has since noticed a very distinct feeling of swaying/unpredictable tracking from the back end. Tires were purchased/installed at Sears, so naturally we took it back there thinking it was a defective tire or some such issue.

They called back today saying that the tires are fine, but one of her rear link arms is bent and that's causing her high speed tracking issue. They want $250 to fix the problem. She feels aggrieved that the problem only cropped up after they installed the tires and the fix looks dead simple, so I'm going to do it myself rather than give them any more money.

It appears I only need to replace #8 in this parts diagram, as well as associated hardware/fasteners. I found the part number for the bolt that connects the arm to the hub, but I can't seem to find part numbers for the nut + bolt that connect the arm to the center link (#10).

I'd rather not reuse the existing hardware. Can anyone help me out with a part number for those two small bits? Photo is attached with the missing #'s circled in green

Thanks in advance
 

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Is it visibly bent? I would tend to believe the new tires have a softer sidewall than your previous tires and just putting in a few more PSI of air will correct this feeling. I've had 3 different tires on my cruze so far, and the last new ones had this exact same feel with the low PSI they put in the tires.
 

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If it is bent, look for a paint scrape......I would bet my bones some nitwit at the tire place tried (and succeeded) in jacking it up from the link......or used a axle hoist that engaged the link(s).

Anyways, although re-usable, if you want the bolt and nut get them from a Chevy dealer to be assured of the correct design and hardness.

Rob
 

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I was thinking the same thing, the passenger side does seem to hang low, but you would need to back into it to do any damage as the gas tank and rear axle sit just as low.
 

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Discussion Starter · #5 ·
Is it visibly bent? I would tend to believe the new tires have a softer sidewall than your previous tires and just putting in a few more PSI of air will correct this feeling. I've had 3 different tires on my cruze so far, and the last new ones had this exact same feel with the low PSI they put in the tires.
Thanks for the quick reply.

I actually haven't seen it since their diagnosis, but will be picking it up after work tomorrow. According to the tech I spoke to on the phone, yes, it's a visible bend. Definitely not going to order anything until I check it out

I'll double check the PSI for sure and add a little more than factory recommended. From how she describes the problem it's jarring to the point that she feels unsafe driving it at all so I would be a little bit surprised if it were just down to under inflation. Another problem is that the issue doesn't show up until after she's been driving for 20 minutes or so (til the tires are warmed up I'm guessing) so it's been difficult to replicate for the mechanic
 

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Discussion Starter · #6 ·
If it is bent, look for a paint scrape......I would bet my bones some nitwit at the tire tried (and succeeded) in jacking it up from the link......or used a axle hoist that engaged the link(s).

Anyways, although re-usable, if you want the bolt and nut get them from a Chevy dealer to be assured of the correct design and hardness.

Rob
Interesting, I hadn't thought to check for paint scrape. That's a good idea, thanks.

Re: replacing - I wasn't sure if the nut was self locking or otherwise requires replacement. Are you thinking that's not something I need to worry about? I'm mostly familiar with working on older BMW's and in my travels have typically replaced hardware whenever working with suspension components
 

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Nothing special on that fastener....OK to re-use......torque is good and tight, not crazy tight.

Might be a spec but you are only pinching the inner bushing sleeve as designed.

Rob
 

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I know it is not the same car , but I bent a right rear lower control arm on a Chevy Lumina . Dumbed up and put a jack stand under it & let the car down a little with the floor jack . Well , I let it down too much ! :-(

I removed it & straightened it out as best I could and ordered a new one from RockAuto.com . Installed the new one the next Saturday . Used all the original hardware , torqued to spec & all was fine .

Remember , when working on these parts , penetrating oil is your friend .

I always read the max air pressure on the tires and air to that amount . May run a little firmer , but the tires last longer .

Best of luck .

God bless
Wyr
 
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