Thread: A favor needed from all the 4.8is owners out there…
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  #7  
Old 06-17-2011, 01:02 PM
britcon britcon is offline
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Join Date: Feb 2009
Location: Vancouver, B.C.
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Might be a bearing in the Fan motor ? Maybe when you hit 60mph it puts enuf air pressure in the system to load the bearing ?
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