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Join Date: Oct 2007
Posts: 9
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oil in my intake
Hi,
I have oil in my intake, I took the intake out. what is the cause usually in this situation. I need assistance, waiting for a reply ASAP. Thanks George |
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03-19-2008, 05:47 PM
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Join Date: May 2006
Location: San Diego
Posts: 592
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Quote:
__________________
Kris 1990 C2 2005 CS http://krisu.smugmug.com/Auto/Porsche |
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03-19-2008, 06:46 PM
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Join Date: Oct 2007
Posts: 9
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oil in my intake
how would the oil get there. from the that thermostat.I always checked the level it was always between the lines at idle and normal temp.I use 20 w 50 synth.My porsche is a 1992 964.>before i put the intake on,can someone give me a reason ,please.
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03-20-2008, 06:20 AM
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Join Date: Jul 2004
Location: denver, co
Posts: 177
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There is a breather hose on the top-rear of the tank and vacuum in the intake manifold. A small burp or splash in the tank/thermostat area or even a hard turn can cause a slurp of oil to get in the intake. Even hot oil mist may be vac'd up and condense in the manifold. I have always had some oil in mine, only once was it enough to make oil smoke in the tail pipe. Even then it wasn't enough to foul the plugs
You now know how easy it is to open the manifold, just sop up the oil if it is a problem - 99.98% (1 day in 4200 days of operator-ship) of the time it has not been for me. |
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03-20-2008, 08:45 AM
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Join Date: Jul 2007
Posts: 204
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colo964 is dead on - same happened to me. Most likely cause is oil overfill though - you could have had oil there for a while. Make sure you also clean the ICV and the air flow meter. Especially the air flow meter does not like oil contamination.
Just out of curiosity, how long did it take you to remove the intake manifold? Anything to watch out for? Happy spring cleaning 
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'91 C2 Targa |
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03-21-2008, 06:28 AM
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