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1 Million Gallons of Oil on m'Belly!
Fun times!
On Friday I went out to do my BFR and when I landed there was about a million gallons of oil on the belly of the airplane. Took the cowling off, cleaned it all up. Checked the oil, in reality only lost about 1/3qt. The oil seemed to be collected around the oil cooler (right side bottom firewall on the 14), there was no signs of oil on the engine or near any of the connectors. I couldn't find any leaks in the oil cooler. I took it off, pressure tested it (using only the "hold and blow" method and some soapy water). There were no signs of weeping near the elbows. No signs the oil cooler was the problem. On the 14, the engine vent is pointing towards the oil cooler, dumping out over the exhaust. The running theory at the field is that the vent line was clogged and came free dumping oil. There was no indication in flight, no pressure drop or anything odd feeling/sounding. My plan is to, while leaving the cowling off, taxi and run-ups to get the oil warm and see if any leaks show up. Any suggestions or ideas? Thanks for any advice! Oh .. and 1/3qt goes a LONG way :D |
Just went thru the same. Check the hose coming off the crankcase vent. Mine was fine for 270 hours. Somehow it cracked just aft of the clamp and was hidden at the bottom. Not until I reseated 2 weeping oil fittings and did some ?repair? work on my oil Cooler did I look at the hose. Mine is blue silicon. Replaced with auto hose as a temp fix and now have no weeps or leaks. New hose on order from ACS.
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Bill---you may have some 'extra' blowby that might require and oil separator. Some do, some dont.
Tom |
It sounds like this an issue of sudden excess oil consumption and less about where the oil is going, especially if you can connect the dots that the oil is coming from the breather outlet. Is this qty of oil consumption new?
If yes, and is likely coming from the breather outlet, I would recommend doing a compression check. A broken ring, causing increased blow by would be my thought. This assumes that this level of oil consumption is new and appeared suddenly. Larry |
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Larry |
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BFR acro?
My latest BFR had some relatively unusual attitude recovery in it (especially in a Warrior) including an instructor induced light negative g moment designed to confuse me under the hood. It corrosion proofed the belly of the airplane as you described. And chance your event was maneuver related?
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