Fan clutch pulley replace twice .The replace pulley came off twice hitting the radiator.

What is your question?

The bearing in original pulley went out in NY 2012 Armada. We went to AutoZone bought replacement part. Drove it a week the fan came off pulley hit the radiator. Second time around after replaceing the pulley ,this time pulley broke from bracket with fan attached.

What makes this problem better or worse?

Worse

How long has your 2012 Nissan Armada had this problem?

Over a month ago