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Alternator pulley heats up with key turned (edit: confirmed by others)

ok I left the key in position II for 2 hours and YES the pulley was warm. Used the Snap On infrared and can confirm that the Denso casing was 66F and the pulley, and JUST the pulley, was 92F. The belts and the rest of the alt and surrounding area were unaffected... I didn't check anywhere else and she started fine and drove home equally as fine. What this means I don't know :-)
that's exactly how mine was, with a little bit warmer like maybe hot tub warm. thanks for replicating this