George;

I replaced my clutch with a new one just in case. I am sure it was a very long way from failing but I did it anyway. Yours sounds like it is a little farther gone and should be replaced. Unfortunatley you cannot replace the bearing, other wise you could do a fix for about $3.00

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Mark
82 300SD 110k
91 Caprice SS
92 Jetta TD
97 Cadillac Concours(300hp)
84 Celebrity 4.3L diesel