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bcblase
Joined: 23 Oct 2007
Posts: 574
Location: Winchester, VA
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 Posted: Sat Dec 05, 2009 3:12 am Post subject: AOS Oil Leak |
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When the engine is hot, I have an oil leak coming from the bottom of the plastic engine oil filler tube housing, which is part of the air-oil separator (AOS). This is equivalent to a PCV valve on most cars, I believe.
I have seen where I can buy new seals/o-rings for the AOS after it is removed, but I have not been able to find a source for the AOS itself. The Porsche part number is: 944 107 180 08
Any ideas other than the Porsche dealer?
Anybody else have an oil leak in this location?
Thanks,
Brad
_________________
1987 Porsche 924S - track toy
1986 Mercedes 190E 2.3-16v - autocross
2007 F-150 5.4L Lariat Supercrew - tow beast
1994 Volvo 850 Race Wagon - 24 Hours of Lemons Car
2001 BMW 325xi - daily driver |
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masterdave
Joined: 10 Dec 2008
Posts: 183
Location: Harrison NY
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bcblase
Joined: 23 Oct 2007
Posts: 574
Location: Winchester, VA
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| Posted: Sat Dec 05, 2009 12:14 pm Post subject: |
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Wow - thanks!
They beat the crap out of Pelican...many more parts available.
Brad
_________________
1987 Porsche 924S - track toy
1986 Mercedes 190E 2.3-16v - autocross
2007 F-150 5.4L Lariat Supercrew - tow beast
1994 Volvo 850 Race Wagon - 24 Hours of Lemons Car
2001 BMW 325xi - daily driver |
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masterdave
Joined: 10 Dec 2008
Posts: 183
Location: Harrison NY
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| Posted: Sat Dec 05, 2009 1:27 pm Post subject: |
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| i have even delt with them over the phone they are great with service, i ordered a fuel line they sent me the wrong one, and the next day the right one was in the mail no charge, and if they dont have it they will get it. But take note that most of the parts are off old cars so they are not all new, gaskets and what not will be, but big parts wont. |
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gohim
Joined: 02 Nov 2002
Posts: 4459
Location: Rialto, CA
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| Posted: Sat Dec 05, 2009 2:54 pm Post subject: |
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The leak is not always the o-rings. The plastic itself shrinks and warps with age.
If you are going to buy a replacement, you should consider buying new, although it will be costly.
Try Performance Products, they are one of the few authorized Aftermarket Sellers who can buy directly from the PCNA Warehouse. Parts that are not in their catalogs are available if you contact them for a quote.
Paragon Products may also be an Authorized Porsche Aftermarket Parts Dealer. Their service is good, and prices are reasonable. Might pay to inquire with them as well. |
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ic932
Joined: 11 Feb 2005
Posts: 1104
Location: UK
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| Posted: Sun Dec 06, 2009 6:46 am Post subject: |
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| gohim wrote: | | The leak is not always the o-rings. The plastic itself shrinks and warps with age |
New one on me.... I've seen a noticable drop of oil pressure when these puppies blow bad. I would be very suprised if a couple of cheap o-rings didn't sort this out. |
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bcblase
Joined: 23 Oct 2007
Posts: 574
Location: Winchester, VA
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| Posted: Sun Dec 06, 2009 11:22 am Post subject: |
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Finally found it new at Lindsey Racing for $170 (ouch!)...
$80 or best offer from DC Auto... (used)
$40 from a member of this board (used)
I think I'll tear it down and check the o-rings first....
What is principal function of this device? How does it work?
Brad
_________________
1987 Porsche 924S - track toy
1986 Mercedes 190E 2.3-16v - autocross
2007 F-150 5.4L Lariat Supercrew - tow beast
1994 Volvo 850 Race Wagon - 24 Hours of Lemons Car
2001 BMW 325xi - daily driver |
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