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Old 08-30-2009, 04:06 PM   #1
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Join Date: Aug 2007
Location: Chicago suburbs
Posts: 379
Replaced the AOS today

So I replaced my AOS today because it was driving me crazy when I see blue smoke on startup. It took 2 hours to do so it wasn't all that bad.

My old AOS actually looked fine and didn't have any signs of a leakage and the old part number ended with .03 (.04 is the new one) so I may have wasted a $100 but what the heck... I bought a new J tube but didn't need to replace it.

Hopefully, no more pufs of blue smoke on startup!


2001 Boxster S
Pioneer Avic D3
JL Audio 6.5 inch subs (in the door)
Pyramid 4 channel amp
chitowndad is offline   Reply With Quote
Old 08-30-2009, 04:09 PM   #2
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Join Date: May 2009
Location: Colorado Springs Colorado
Posts: 53
mine is fixed as well.
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Old 08-30-2009, 07:55 PM   #3
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Join Date: Apr 2007
Location: san fran
Posts: 241

Wouldn't call it a waste if money or an unnecssary repair. That's something I wouldve thought too. I had a puff of blue smoke come up maybe 1-2x every 30 days and knew that it was probably the aos but also thought it was due to the design of our engines so I never thought of fixing it so I can save money and just wait till it got more frequent like every start up but I never got to that point it just failed one day while at a stop light. Smoke everywhere. Funny the toe truck driver kept saying how I f*cked up my car and that a head gasket or new engine was called for. I knew it was the aos so I was whatever... Next day picked up a new aos at the dealer and dropped it in... Let all the oil residue burn up and now the car is back to normal. I would recommend the replacement to someone who gets the puff of smoke before it failed... Best $120 repair I ever did...

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