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Clutch Learn Process Notes

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In order to properly perform a clutch learn process the GT-R must idle smoothly.  During the process the computer incrementally moves the clutches until they engage just enough to apply drag to the motor.  This drag is registered by a slight reduction in engine RPM and increased load.  This is done for each of the clutches.  Because small changes in engine RPM and load are the end point for the clutch gear learn process, the idle must be stable in order to produce the best results.  Without a stable idle the and slight load changes related to clutch drag - end points critical to this test - cannot be assessed.  As a result the transmission won't operate with optimal performance.

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