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Discussion Starter · #1 ·
I've already used compressed air to thoroughly clean out my fans, but I am hearing a very slight high pitched noise at infrequent intervals when they go up to 4500 RPM when playing games.

If I wanted to lubricate a fan that is making noise/possibly failing and wanted to extend it's life, would WD-40 work? What about vegetable oil?

Where exactly would I put the lube without taking apart the fan, and if I cannot where exactly do I add the lubricant? What part of the fan would actually be making the high pitched noise if it's clean?
 

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the center of the fan has small bearings under the cap. You can spray a very small amount under the center cap of both fans. Put a paper towel over the fan and start the computer, The spinning fan should blow the rest of the lubricant into the paper towel, dry the fans then let sit for several hours, Blow out again with compressed air. And see how it goes.
 

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Discussion Starter · #3 ·
the center of the fan has small bearings under the cap. You can spray a very small amount under the center cap of both fans. Put a paper towel over the fan and start the computer, The spinning fan should blow the rest of the lubricant into the paper towel, dry the fans then let sit for several hours, Blow out again with compressed air. And see how it goes.
Thanks, but what lubricant exactly should I use? I heard WD-40 is not a good idea.
 

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I have used WD-40 and it worked like a charm, but It required a little cleanup after applying because it was greasy.
The bottom line is these fans actually should be replaced, You can buy them on Ebay
 
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