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Old 08-25-2015, 09:30 AM   #1
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02 Boxster lower control arm broke

Driving to work yesterday in my 02 Boxster and I hit the brakes for a light and I hear a loud thump and rubbing at my driver's side front wheel area. Evidently my lower control arm snapped. Anyone ever heard of this happening?





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Old 08-25-2015, 09:48 AM   #2
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Holy crap. That is a pretty robust looking part, I'm surprised it would snap like that without a much harder hit than just braking for a stop. Sure you haven't had another impact recently that may have cracked it? Maybe some road debris like a truck tire tread or something?
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Old 08-25-2015, 10:24 AM   #3
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How many miles on the part? :O
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Old 08-25-2015, 10:41 AM   #4
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wow

Swodaw,

I am glad that the control arm failed while breaking for a red light and not during a spirited drive through a canyon...
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Old 08-25-2015, 01:12 PM   #5
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The car has 50k miles. I just bought the car in March with 44k. So, I don't know if the car has been wrecked. I don't think I have hit anything.
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Old 08-25-2015, 03:52 PM   #6
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Better check the torque of the bolt that formerly attached it to the chassis.

Is it from Mobile? Salt water corrosion?
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Old 08-25-2015, 08:43 PM   #7
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Wow! I never would have guessed. I see both the lateral arm as well as the trailing arm have both just snapped right off there.
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Old 08-25-2015, 08:48 PM   #8
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Wow. Never seen something like that before. Especially from hitting brakes.

Because the lower control arm has a bearing i don't think that too much torque could have caused that.

I think you should investigate the complete car for accidents of a previous owner.

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Old 08-26-2015, 08:04 AM   #9
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It is not unheard of for GT3 LCAs to break in that area from lots of track use. Hard to imagine it happening with street use only. Maybe lots of potholes?
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Old 08-26-2015, 09:34 AM   #10
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Quote:
Originally Posted by Smallblock454 View Post
Wow. Never seen something like that before. Especially from hitting brakes.

Because the lower control arm has a bearing i don't think that too much torque could have caused that.

I think you should investigate the complete car for accidents of a previous owner.

Regards
Markus
Is bearing Germ-english for bushing?
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Old 08-26-2015, 11:05 AM   #11
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Hi BYprodriver,

- damn, you're right. I've meant a bushing. Sorry.

Regards from Germany
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Old 08-26-2015, 02:45 PM   #12
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Originally Posted by Smallblock454 View Post
Hi BYprodriver,

- damn, you're right. I've meant a bushing. Sorry.

Regards from Germany
Markus
OK, we like your input from the motherland, Danke schon!

I was wondering if it is possible to install a LCA in a bound position with enough torque on the bolt to cause this! Maybe with alot of corrosion?
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Old 08-26-2015, 03:57 PM   #13
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Wow, never thought a chunk of metal could break like that!
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Old 09-08-2015, 10:53 AM   #14
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Thought I would give an update, ended up having to replace the lower control arm, trailing arm, and had a bent tie rod. hopefully be back on the road soon...
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Old 09-08-2015, 11:50 AM   #15
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As Spendy mentioned, I have seen this happen on several Spec Boxster race cars. Some racers will replace the LCA's every two years as preventative maintenance.

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