2005 Kia Optima

Air Conditioning problem
2005 Kia Optima 4 cyl Front Wheel Drive Automatic 93000 miles

I have a loose/wobbly air compressor pulley. I am not worried about cooling right now, but do not want the pulley to come off and risk damaging engine (vales/pistons). I need to know if replacing bearing hub on compressor pulley will make pulley turn and fix wobble until I can replace whole compressor, or repair issue with cooling (if ness). This is a cost issue mainly, but $400 to repair something I can fix, even temporarily doesn't make sense. ALSO if I do replace and compressor is LOCKED UP, will clutch allow to turn as needed, or will I need to replace pulley as well.
January 18, 2010.

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