40 minutos - 1 hora
As most MacBook Core 2 Duo, fan made a lot a noise. I tried to clean it, and make as many operations as I found on the internet, without success.
So I bought a brand new fan on iFixit, as I didn't find any in France...
On previous time I tried to clean my fan, I broke one of the legs to the motherboard when trying to pry the connector (I think it'll be better to make new photos, as the one on the website is not really helpfull, as this connector is really small, and really hard to pry...
And this morning, when trying to pry the connector once again, it broke finally out the motherboard.
I wanted firstly to solder it back the MB, but on the 4 pins, 2 were broken also.
So I cut the wire from the old fan, solder them to the MB, cut the connector on the new fan, and solder them together.
Then, I isolated the solderings with nail varnish, to prevent trouble.
I reconnected the keyboard, and powered up.
Lion started without any trouble.
I used iStatpro to check, and fan is recognized, no more noise.
I made then some more test (using flash games), and fan rotation increased without fail, and without noise also.
So repair was fine (but with a lot a stress when soldering on the MB...