08-25-2015, 09:30 AM
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#1
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Registered User
Join Date: May 2015
Location: Mobile, al
Posts: 3
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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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08-25-2015, 09:48 AM
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#2
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Yeah, I've done that.
Join Date: Aug 2014
Location: Atlanta GA
Posts: 91
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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?
__________________
1999 Boxster, Tiptronic, Hard Top, Arctic Silver with Boxster Red Interior
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08-25-2015, 10:24 AM
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#3
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Registered User
Join Date: Oct 2014
Location: Santa Rosa, CA
Posts: 520
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How many miles on the part? :O
__________________
2003 2.7 Boxster - Tiptronic - Carrera wheels - OBC - Red calipers - Cat pipes - Modified muffler - Rear speakers - K&N - Litronics
2006 V6 Mustang
2008 ML 350
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08-25-2015, 10:41 AM
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#4
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Registered User
Join Date: Dec 2009
Location: Orange County, CA
Posts: 1,849
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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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08-25-2015, 01:12 PM
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#5
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Registered User
Join Date: May 2015
Location: Mobile, al
Posts: 3
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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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08-25-2015, 03:52 PM
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#6
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Registered User
Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
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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?
__________________
OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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08-25-2015, 08:43 PM
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#7
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Registered User
Join Date: May 2015
Location: Greater Seattle, WA
Posts: 534
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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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08-25-2015, 08:48 PM
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#8
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Registered User
Join Date: Jun 2014
Location: LB, Germany
Posts: 1,456
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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.
Regards
Markus
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08-26-2015, 08:04 AM
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#9
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Registered User
Join Date: Dec 2012
Location: DE
Posts: 126
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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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08-26-2015, 09:34 AM
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#10
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Registered User
Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
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Quote:
Originally Posted by Smallblock454
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
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Is bearing Germ-english for bushing?
__________________
OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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08-26-2015, 11:05 AM
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#11
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Registered User
Join Date: Jun 2014
Location: LB, Germany
Posts: 1,456
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Hi BYprodriver,
 - damn, you're right.  I've meant a bushing. Sorry.
Regards from Germany
Markus
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08-26-2015, 02:45 PM
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#12
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Registered User
Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
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Quote:
Originally Posted by Smallblock454
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? 
__________________
OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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08-26-2015, 03:57 PM
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#13
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Registered User
Join Date: May 2013
Location: Orange County, California
Posts: 266
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Wow, never thought a chunk of metal could break like that!
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09-08-2015, 10:53 AM
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#14
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Registered User
Join Date: May 2015
Location: Mobile, al
Posts: 3
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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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09-08-2015, 11:50 AM
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#15
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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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.
__________________
1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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