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Flywheel wobble?


TripleC321

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How much wobble in a flywheel is normal?

 

has the access cover off to tighten oil pan bolts, and noticed the flywheel has what appears to be a wobble when it’s running. See attached iCloud video link

 

https://share.icloud.com/photos/040Wj5Q6saz8yh6gippFCDjfQ

 

(if link has no video when clicked, it means you’re very fast, and the upload isn’t complete)

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I don't see a lot of wobble, although there is a little movement. It is called a flexplate, essentially sheet metal, and is designed to have some flexibility. The crankshaft can have up to five or six thousandths of endplay and the torque converter floats in and out. I think some of the visual is actually the counterweight appearing and disappearing.

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I hadn’t thought about that, the counter weight rotating around. 

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