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|  ferm/spare, got a tahoe question 
			
			i've got an 02 4wd 5.3 tahoe. been hearing about "pump rub" problems in the transfer case. seems the pump rubs a small hole in the case, oil leaks out and transfer case implodes.  they make a wear plate to prevent this from happening.  with 185,000 miles and 12 years old, do i need to be proactive on this, because reactive is a lot more money? thanks | 
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