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				Fan scrape
			 
 
			87 3.2. Fan once in a while scrapes the housing on the bottom. Done this very seldom since I bought it 3 yrs ago. Then the alternator went bad and I just replaced it with a pp rebuilt. Now the fan scrapes even more.  It only does it when you have driven awhile, shut the engine off, wait 5 mins or so and crank it and start.  It scrapes for 15 seconds, then stops.  Any thoughts on how to fix this. It's the original fan and housing.
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