Lycoming Crank Seal Tool
thingiverse
Tool to replace crank seals on Lycoming 360/540 and likely others. Printed in PETG, this works great. I've used it 5X without it breaking. Follow the same instructions as any commercial seal tool. Print on side, with supports in the gap. Lycoming seal instructions: https://www.lycoming.com/sites/default/files/Crankshaft%20Oil%20Seals.pdf
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