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  1. 12-17-2015 08:35 AM #1
    gmudan
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    Huge oil leak after PCV change

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    Hey guys, replaced my oil separator after getting a engine code for misfires and such with VCO2035075 on my 2010 B8 2.0T. Ran fine after, but then noticed a huge oil puddle under the car. After lifting it up and cleaning all the oil, fresh oil forms at the bottom where the transmission meets the engine. Anyone have any insight on where this oil could be coming from?
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  2. 12-17-2015 08:50 AM #2
    miA4
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    If you have a leak there, it may be the rear main seal.
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  3. 12-17-2015 09:12 AM #3
    STA4
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    Definitely the rear main seal. This usually happens when the PCV fails and pressure builds up.

    http://www.audizine.com/forum/showth...7-and-Oil-Leak
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  4. 12-17-2015 09:48 AM #4
    gmudan
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    Alright, thanks guys!
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  5. 12-17-2015 01:57 PM #5
    gmudan
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    Quote Originally Posted by STA4 View Post
    Definitely the rear main seal. This usually happens when the PCV fails and pressure builds up.

    http://www.audizine.com/forum/showth...7-and-Oil-Leak
    If i just replaced the PCV with a new one, why would the rear main seal go if the PCV job is to release pressure.
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  6. 12-17-2015 02:02 PM #6
    b6Hate4
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    Quote Originally Posted by gmudan View Post
    If i just replaced the PCV with a new one, why would the rear main seal go if the PCV job is to release pressure.

    if you drove around with a bad pcv valve for awhile, you could have compromised the seal.
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  7. 12-17-2015 02:03 PM #7
    gmudan
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    Quote Originally Posted by b6Hate4 View Post
    if you drove around with a bad pcv valve for awhile, you could have compromised the seal.
    Damn, thats what happened.... Thanks for the quick reply!
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