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Repair MacBook Pro cooling fan rattling
Authored by: SuperCrisp on Feb 14, '11 08:16:45AM

As a one time gunsmith, I can tell you that sewing machine oil or vegetable oil would be very horrible choices. Sewing machine oil will dry out, leaving a gummy residue. The same is true of vegetable oils, but they're even worse in that they often contain acids. I've had to clean up a lot of messes left by both. Motor oil might work, but it's probably too viscous. A better cheap solution is RemOil, a gun oil found in the gun section of Wal-Mart or at a real gunshop. It's light, long-lasting, and leaves no residue. (It says its Teflon impregnated, but I doubt that's in any significant amount.) An even better solution might be an oil or evaporating medium impregnated with molybdenum disulfide. You can find that in gunshops, machine shops, and in large quantities at motorcycle shops, often sold under the brand name DrySlide. I'll say that my experience with relubricating these little fans is that the fix is extremely temporary and that the effort to open up the machine is better matched by installing a new fan that you can get for $5-10 from Mouser or somewhere like that. In short, I don't advise oiling at all, especially given the risk of the lubricant being slung around the internals, but if you really want to go this route, at least use a good lubricant. I'm positive someone else can chime in with a better recommendation on how to lubricate these fans.



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Repair MacBook Pro cooling fan rattling
Authored by: theosib on Feb 14, '11 02:30:54PM

Unfortunately, an Apple-specific fan can't be had that cheaply. And I didn't want to wait a long time to get a replacement. In any case, it's good to know about this gun oil!

My solution is a bandaid that may only a appropriate for someone like me and for a very short time. YMMV.



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