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On a IO470-N

On a IO470-N I have a oil pan that developed a leak in the bottom middle of the pan. The engine has been removed. Is this repairable? Is it magnesium? If not repairable can you provide a part number or source for a replacement. Thank you

Model: Bonanza N35
Posted 6/13/2022 - 1 month ago
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The oil pan is aluminum and is weldable by a qualified person.
I need the rest of the model and spec number to get the proper pan
The P/N on a IO470N(25) is 655297 and gasket is 655546
I checked for one in stock and could not find any available.
Aviall shows a 44 day lead time with no price listed.

Bob Ripley
ABS Technical Advisor

Posted 6/13/2022 - 1 month ago
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This post caught my attention as I have been chasing down an oil leak on my IO-470N as well. I am very curious as to how a leak could develop in the middle of a solid piece of aluminum. Has a crack developed? I have focused my efforts on gaskets, the vernatherm on the front side, oil cooler and any other area that involves a gasket/seal or line to the engine case or oil sump.

Posted 6/15/2022 - 1 month ago
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On a IO470-N