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Question Regarding Flywheel Installation (Gap In Ring)


wheelsup

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So I am slowly taking apart a parts car to learn about our 850's, and have basically zero background knowledge of how cars and engines/transmissions work.

On the flywheel there is a gap in the inner ring (circled in red). When I take the flywheel off (to replace the RMS), do I need to make sure this gap is in the same position as it was before I took it off?

And what is the reason for this gap in the first place? Anyone know?

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So I am slowly taking apart a parts car to learn about our 850's, and have basically zero background knowledge of how cars and engines/transmissions work.

On the flywheel there is a gap in the inner ring (circled in red). When I take the flywheel off (to replace the RMS), do I need to make sure this gap is in the same position as it was before I took it off?

And what is the reason for this gap in the first place? Anyone know?

The ring is part of the crankshaft positioning sensor, which fits in the bell housing top center. The sensor is a magnetic pickup, the ring being a steal, is magnetic. The gap in the ring provides an absence of magnetic material, so now you have generated a pulse that can be electronically measured to provide information related to crankshaft rotation.

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The ring is part of the crankshaft positioning sensor, which fits in the bell housing top center. The sensor is a magnetic pickup, the ring being a steal, is magnetic. The gap in the ring provides an absence of magnetic material, so now you have generated a pulse that can be electronically measured to provide information related to crankshaft rotation.

Makes total sense, and basically the answer to the question of "it needs to be in the same place as when you take it off" :D.

Thanks I appreciate it.

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