Cheap Replacement for fans in Front Fan Assembly?

after 5 years, front fan assembly started making crappy noises last night.

bought thing in 2006, , needless say, out of warranty. found $80 replacement online , can't bring myself pay 5 times these things worth. i'm willing drill out fans , replace them.

question is: has tried swap these out? heard 2 120mm fans.

want use existing on-board power source. problem? computer fault change in current?

or tips appreciated.

 

i've had success refurbishing mac fans.

if can fans out, down fans (no housing), can clean , relubricate them.

peel sticker off of fan motor covers fan spindle. either soak entire fan, or pour marvel mystery oil bearing area , let soak.



liquid non-conductive , isn't harsh solvent, nor stink. smells faintly minty , bright red consistency of transmission fluid.

after 10-20min fan should ready thoroughly cleaned , re-installed. mmo stays in bearing flushes out dust accumulates , gunks inside well.

i've never run fan, no matter how noisy or choppy, couldn't fix using method. can save lot of money in case.

 

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