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SS ball joints

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Old 10-04-2017, 01:06 PM
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SS ball joints

I was amazed to get a reply from Moog/Federal Mogul about my inquiry. I don't think they fixed the entire problem. Let me know. Here is a copy of what I got.

Hi Don,

I have updated the MOOG data so that RK620897, RK620898 & K80567 will have Fe1 & Fe3 Suspension qualifiers. The CK620302, CK620301, RK620301 & RK620302 will list Fe5 suspension. We will send these updates later in October.

Thanks,

Ryan Bell

eCatalog Manager
Federal-Mogul Motorparts | FMmotorparts.com


[email protected]
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Old 10-04-2017, 01:43 PM
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Well that's something at least. Does he understand that not all FE5 use the same stud?
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Old 10-04-2017, 01:52 PM
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They don't? Do you mean Cobalt FE5 is not the same as HHR FE5?

I sent my email originally to the PR folks, it went through several people before it got to the eCatalog guy. I was trying to be as narrow as I could to avoid confusion.


Here is what I sent:

My name is Don McArthur, I am the Technical Moderator at chevyhhr.net.

It has come to our attention that Moog and many other vendors are listing ball joints and Lower Control Arm Assemblies for Chevrolet HHR SS 2009-2011 incorrectly. The parts listed are for the LS/LT models and do not fit the SS model. The LS/LT models have RPO FE1 or FE3 suspensions, the SS model has RPO FE5 suspension; the major difference is the ball joint stud. FE1 and FE3 have a diameter of 19.96 mm the FE5 is 20.5 mm.

This is a major safety concern as Moog and other vendors are selling parts that “fit” but are too small to properly function. The ball joint can easily become disconnected from the steering knuckle and it allows .9mm of excess “wobble”.

The part numbers of concern are: K80567, RK620898,RK520897,CK620302,CK620301.

I would like to get a statement for publication on our website.
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Old 10-04-2017, 02:00 PM
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Right, the Cobalt supercharged SS uses the smaller stud, and the turbocharged SS, HHR and Cobalt, use the larger. They are all FE5.

Also there's the steel LCA vs. Aluminum.
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Old 10-04-2017, 02:46 PM
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This is good news, at least they're working on it. Don, what are the chances they could supply the dimensions of the different ball joints, so we could narrow it down to which one is 20.5mm.................so close.
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Old 10-04-2017, 03:04 PM
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The 301/302 parts seem to be the 20.5mm; however they are steel.

I still have never heard number crunching arguments on either side. My personal belief is that they used aluminum for a reason, don't know what reason.

I doubt the eCatalog people have any access to measurements.

Maybe I am important? Real surprised it got bounced up and answered.
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Old 10-04-2017, 03:16 PM
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I’ve heard nothing back from my phone enquiry , but I’m in Canada , so very low numbers of SS’s

Great job ! Don nice work

But still no separate ball joints, just lca’s
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Old 10-04-2017, 03:19 PM
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I just searched those 2 part numbers, they are for complete lower control arm assemblies. We still need to figure out what the part number is for the ball joint itself, not the whole assembly. They have to be getting them from somewhere, unless there is some reason that only riveted ball joints have to be used.

What Oldblue said. ^^^
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Old 10-04-2017, 05:06 PM
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Originally Posted by donbrew View Post
The 301/302 parts seem to be the 20.5mm; however they are steel.

I still have never heard number crunching arguments on either side. My personal belief is that they used aluminum for a reason, don't know what reason.

I doubt the eCatalog people have any access to measurements.

Maybe I am important? Real surprised it got bounced up and answered.
I bet the 301/302 is for FE5 supercharged. Amazon says they fit my SS and all Cobalts. Summit says all HHRs and Cobalts and others.
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Old 10-04-2017, 05:12 PM
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Originally Posted by RJ_RS_SS_350 View Post
I bet the 301/302 is for FE5 supercharged. Amazon says they fit my SS and all Cobalts. Summit says all HHRs and Cobalts and others.
Oh no, more confusion.............its too bad nobody owns a micrometer that has access to these parts, LOL.
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