PS3 Slim was running hot & freezing. Went to clean out and replace thermal paste, found previous owner spilled soda all into the console. Cleaned everything, reassembled and runs like a champ! :
PS3 - PS3 thermal paste replacement did not help, fan still speeds up | PSX-Place
K5 Pro Viscous Thermal Paste for Thermal pad Replacement 30g (Apple iMac Sony PS4 & PS3 Xbox Acer Aspire etc) : Amazon.com.au: Computers
how to make fat ps3 fan quieter | GBAtemp.net - The Independent Video Game Community