Loogie Posted October 24, 2015 Report Share Posted October 24, 2015 Was wondering if anyone has their right side nose wheel door get some oil on it; after I fly it, it gets some oil streaks. The left side has the vent tube and I get some drips after I shut down. But the right side nose gear door gets some streaking, no abnormal oil consumption btw, my engine is happy at about 6 1/4 QTs. Any suggestions on how to either reroute the streak of oil or make it stop? Does this happen to anyone else? Quote Link to comment Share on other sites More sharing options...
N201MKTurbo Posted October 24, 2015 Report Share Posted October 24, 2015 It keeps the gear doors fron squeeking, and it preserves the paint. 2 Quote Link to comment Share on other sites More sharing options...
RobertGary1 Posted October 24, 2015 Report Share Posted October 24, 2015 If your goal is to have a plane that doesn't leak or burn any oil you're going to be very very busy. -Robert 1 Quote Link to comment Share on other sites More sharing options...
StinkBug Posted October 24, 2015 Report Share Posted October 24, 2015 Mine gets it all on the left door. It's not enough to cause any issues and I'm assuming it's from the breather cause everywhere else is dry. I figure if that's the worst I get I'm a happy pilot. Quote Link to comment Share on other sites More sharing options...
Loogie Posted October 24, 2015 Author Report Share Posted October 24, 2015 I like all three answers! Will just wipe it down! Quote Link to comment Share on other sites More sharing options...
Piloto Posted October 24, 2015 Report Share Posted October 24, 2015 Usually is caused by oil leaks dripping from the cylinders valve covers. Re-tighten them. The silicone orange gaskets are the best. José Quote Link to comment Share on other sites More sharing options...
laytonl Posted October 25, 2015 Report Share Posted October 25, 2015 I keep a spray bottle with mineral spirits to wipe down my right side gear door. My mechanic told me to quit obsessing - Mooneys leak. Lee 3 Quote Link to comment Share on other sites More sharing options...
Jeff_S Posted October 26, 2015 Report Share Posted October 26, 2015 Yes, nose gear doors do accumulate some oil, so what you are seeing is most probably nothing serious. If you want to get rid of it, one way is to install an air-oil separator such as that provided by Air Wolf or M20. I think you can find them both on Aircraft Spruce. I had one of these on my prior J and it did a really good job of keeping oil off the belly. However, there are differing opinions on whether or not these are really a good idea, with at least one prominent expert (Mike Busch) claiming they are actually harmful to your engine. So you have to decide how important it is to you and who you want to believe. But from my experience anyway, they do work as advertised. Quote Link to comment Share on other sites More sharing options...
ArtVandelay Posted October 26, 2015 Report Share Posted October 26, 2015 Re: Jeff_S The reason is there is less turnover, not adding new oil diluting the suspended junk, if you go with oil separator I would change oil more often. Quote Link to comment Share on other sites More sharing options...
RobertGary1 Posted October 26, 2015 Report Share Posted October 26, 2015 So my factory new engine must be dangerous because it doesn't leak so I don't have oil turn over. :) -Robert Quote Link to comment Share on other sites More sharing options...
ArtVandelay Posted October 26, 2015 Report Share Posted October 26, 2015 So my factory new engine must be dangerous because it doesn't leak so I don't have oil turn over. -Robert I'm just explaining the reasoning, But if I had a factory new engine that I just paid big $ for, I would be changing my oil closer to the lower end of the recommended 25-50 hr change interval. Quote Link to comment Share on other sites More sharing options...
DonMuncy Posted October 26, 2015 Report Share Posted October 26, 2015 I seldom disagree with Mike Busch, but on this issue I do. The vapor is being dumped overboard, with of without an air/oil separator. The oil itself (containing whatever liquid contaminants are there) are returned to the crankcase. I don't see why the contaminated oil going to the separator is of any different composition than the remaining oil. I think the idea that pumping your oil out a small amount at a time to allow you to replace it with fresh oil, is pretty weak. If you think your oil needs to be replaced sooner, just reduce the time/hour interval for changes. I try to keep an open mind and will listen to any different opinion. Quote Link to comment Share on other sites More sharing options...
Jeev Posted October 28, 2015 Report Share Posted October 28, 2015 A little bit of oil goes a long way when it is blown back at 150 +kts and combined with dirt ect. I am sure it is nothing and I have never seen a plane that flys without oil streaks but if you want to be sure pop the cowling and look for any obvious signs. If you have the "Dual Mag" just make sure it is tight. You could always do what I did and paint the belly black :-) Quote Link to comment Share on other sites More sharing options...
steingar Posted October 29, 2015 Report Share Posted October 29, 2015 My Mooney marks its territory. I haven't seen it use that much oil, so I'm not that worried about it. in fact, there seems to be less oil on the belly than in my old Cherokee. Quote Link to comment Share on other sites More sharing options...
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