Experiencing an oil leak under your airplane, especially around the turbocharger? Many pilots and mechanics might immediately suspect a faulty turbo, but as aviation expert Bill from Atlantic Beachcraft reveals, it's rarely the turbo seals that are the problem! This episode dives deep into common aircraft oil leaks, specifically those often misdiagnosed as turbo issues. Learn how to identify if your oil leak is coming from a check valve (which is usually the culprit and much cheaper to fix, often the inlet valve)
rather than the turbo itself.
We walk you through the diagnostic process of removing and bagging check valves to pinpoint the exact source of the leak
, which can save you from unnecessary and expensive turbo replacements, with one check valve costing around $300 compared to a $1,500 turbo. Discover the vital role of labyrinth seals in turbochargers, designed to use air pressure to prevent oil leaks, and understand why even a new turbo might initially drip until the oil "cokes" on the seal
Plus, gain insights into other engine oil leak sources like the breather and what a lack of oil vapor signifies about your engine's compression and rings
. Get expert tips on aircraft maintenance, pre-oiling procedures (and when they're not needed), and how to conduct post-repair leak checks. Tune in to have an intelligent conversation with your mechanic and keep your aircraft in impeccable condition!
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