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crwdns2944351:0crwdnd2944351:0iMac Intel 27" EMC 2546 Fan Replacementcrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Sam Goldheartcrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Sam Goldheart

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Introduction
Replace a broken or noisy fan in your iMac.
'''Before beginning any work on your iMac:''' Unplug the computer and press and hold the power button for ten seconds to discharge the power supply's capacitors.
'''Be very careful''' not to touch the capacitor leads or any exposed solder joints on the back of the power supply.