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John · 01-23-2014, 09:20 PM

When I want to find out which fan is noisy, I stop each fan, one at a time by placing my finger on the fan hub. When the noise goes away, the fan I have my finger on is the noisy one.

01-23-2014, 09:20 PM	#3
John Where's my RS Christmas Lobster?! Join Date: Jul 2002 Location: Vancouver Posts: 892 Thanked 38 Times in 36 Posts Failed 10 Times in 6 Posts	When I want to find out which fan is noisy, I stop each fan, one at a time by placing my finger on the fan hub. When the noise goes away, the fan I have my finger on is the noisy one.