03-12-2012, 05:19 PM
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#1
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Registered User
Join Date: May 2009
Location: Frederick, MD
Posts: 1,396
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when did your AOS fail?
so i hope i'm not about to jinx myself, but my '01 AOS still hasn't failed. at nearly 97k miles. did the "oil cap" test again today and it still comes right off with no effort. wondering, of those who have had to replace theirs, when did it finally fail?
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"Speed has never killed anyone, suddenly becoming stationary... that's what gets you."
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03-12-2012, 05:59 PM
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#2
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Registered User
Join Date: Feb 2007
Location: Loves Park IL
Posts: 355
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Mine did around 65k
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03-12-2012, 06:12 PM
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#3
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Registered User
Join Date: Aug 2009
Posts: 1,466
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October 2011 at Watkins Glen going down hill into the boot braking into the thght left hand turn. I smoke a quarter mile of track.
PS anyone how needs a OEM, AOS brand new I have one fits 2003 to 2008 2.7, 3.2, 3.4 in original box
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2003 Black 986. modified for Advanced level HPDE and open track days.
* 3.6L LN block, 06 heads, Carrillo H rods, IDP with 987 intake, Oil mods, LN IMS. * Spec II Clutch, 3.2L S Spec P-P FW. * D2 shocks, GT3 arms & and links, Spacers front and rear * Weight reduced, No carpet, AC deleted, Remote PS pump, PS pump deleted. Recaro Pole position seats, Brey crouse ext. 5 point harness, NHP sport exhaust
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03-12-2012, 07:09 PM
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#4
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Registered User
Join Date: Aug 2007
Location: New Jersey
Posts: 691
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Quote:
Originally Posted by jsceash
October 2011 at Watkins Glen going down hill into the boot braking into the thght left hand turn. I smoke a quarter mile of track.
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Cool story. If it's gonna go, may as well go big.
/
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SOLD - 2002 Boxster S - PSM, Litronics, De-ambered, Bird Bike Rack, Hardtop, RMS leak...
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03-13-2012, 01:00 AM
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#5
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Registered User
Join Date: Oct 2008
Location: sw ohio
Posts: 253
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'00 base: AOS went at 87,500 mi in Aug 2011.
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03-13-2012, 05:35 AM
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#6
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Registered User
Join Date: Dec 2006
Location: Santa Barbara, CA
Posts: 308
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at 90K miles. making a hard right on a fwy onramp. crop duster!!
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03-13-2012, 07:00 AM
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#7
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Registered User
Join Date: Jun 2011
Location: ATL
Posts: 112
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Right around 98K
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03-13-2012, 08:27 AM
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#8
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Registered User
Join Date: Apr 2009
Location: Orlando
Posts: 1,266
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2000S at 65,000
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http://i768.photobucket.com/albums/x...6/PC120055.jpg
Old Hippie Young Heart
2000 S/3.2 Liter/Tiptronic/Boxster S Sport Package/Cruise Control/Slate Grey Metallic
Red Special Leather Interior/Red Floor Mats/Red Hand Painted Instrument Dials/Roll Bar/Windstop
Small Carbon Package/Leather Wrap Carbon Wheel/Center Console Exterior Color/Alum Carbon Shift Knob
AM/FM Radio w/CD Player & Changer/Digital Sound Package/18" Turbo Wheels/Wheel Caps w/Colored Crest
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03-13-2012, 01:14 PM
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#9
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Registered User
Join Date: Nov 2010
Location: DFW
Posts: 381
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2002 S at 60k.
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03-13-2012, 01:18 PM
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#10
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Registered User
Join Date: Jan 2010
Location: Redmond, Wa
Posts: 369
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Mine failed at 75k, although I think it was weather related
I was expecting it.. and doing oil cap test every week, and it was passing with flying colors
Then I went for a vacation in December and turned down the heat in the house.. when I came back it was waaaay sub freezing in Seattle, and the garage was frozen, actually a bottle of water on the table near my box was all frozen.
Next day I drive to work.. and BAM.. well more like SQUICK and oil light on the dash going on and off... did the oil cap test, bought new AOS from local indy and spent 4 hours until 2 am changing it..
Next day.. my daily driver was up and running
PS; If you're gonna change AOS, buy one of those clamp tools, I spend 3 hours taking AOS out, one of the clamp wouldn't come out no matter what I did, installation back was 20 min
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03-13-2012, 02:54 PM
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#11
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Registered User
Join Date: Mar 2012
Location: Beaumont, CA
Posts: 14
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2002 S at 80k.
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03-13-2012, 05:02 PM
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#12
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Registered User
Join Date: Apr 2007
Location: Bay Area
Posts: 524
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Add to the question:
What was done to the engine prior to AOS failure.
In my case it was Eng oil overfill.
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2008 Boxster S PDE2
02 Boxster S Blk on Blk(Stock for the Wife)
88 turbo S (My Toy) slightly modified
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03-14-2012, 12:39 AM
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#13
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There Is No Substitute.
Join Date: May 2007
Location: West Coast
Posts: 3,253
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About two weeks ago at 70k, although my mechanic noticed some minor symptoms from it starting to go at 67k. Given it was 13 years old when I replaced it.
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1999 Ocean Blue Metallic Boxster - blueboxster.com
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03-14-2012, 02:46 AM
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#14
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Registered User
Join Date: Dec 2011
Location: Long Island, NY
Posts: 518
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Quote:
Originally Posted by tonycarreon
so i hope i'm not about to jinx myself, but my '01 AOS still hasn't failed. at nearly 97k miles. did the "oil cap" test again today and it still comes right off with no effort. wondering, of those who have had to replace theirs, when did it finally fail?
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I dont think that is the only comfirming factor. You should open the TB and intake cross hoses and check for oil. My oil fill cap test was good but, oil in the hoses. Turns out the oil fill tube from the filler hole to the engine had cracks at the ribbed portion.
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*********************************
2012 Panamera 4
2010 Boxster
2000 Boxster S 3.2L
1990 Land Rover Defender 6x6
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03-14-2012, 02:54 AM
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#15
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Ex Esso kid
Join Date: Dec 2005
Location: NY
Posts: 1,605
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I replaced one and was absolutely shocked at how poorly designed the accompanying tube is. Not only is it overpriced, there is no accommodation for variance like one would have in a flexible line. It's supposed to fit like a puzzle piece and you get one shot at it. If not, the Faberge egg, legendary for brittle polymers the Germans chose for their overpriced pipe snap and the delicate end breaks in your fingers.
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03-14-2012, 09:12 AM
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#16
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Registered User
Join Date: Dec 2008
Location: California
Posts: 246
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Thanks for that tidbit....it has been duly noted. 
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03-14-2012, 09:32 AM
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#17
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Registered User
Join Date: Apr 2009
Location: SF Bay Area
Posts: 247
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2002S, failed at 65k, few weeks ago. Didnt have the whole smoky production. I could hear chirping at idle, and stumbling/trying to stall as well when idling. Checked oil cap and it was very tight. When removed, car wanted to die. New AOS and all is well, idle is smooth. Car actually feels much stronger too.
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2003 Cayenne Turbo
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03-16-2012, 10:02 PM
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#18
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Registered User
Join Date: Nov 2010
Location: Long Island, NY
Posts: 296
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2002 base, AOS went at 82k in july 2011 in bloody hot weather.
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03-17-2012, 08:54 AM
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#19
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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1999, 104,000 miles, AOS still going fine...
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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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03-17-2012, 10:00 AM
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#20
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Moderator
Join Date: Feb 2012
Location: DFW
Posts: 782
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2000 2.7l 76,500 miles AOS no problemo.
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