07-24-2009, 08:01 PM
I asked that exact question at two Apple stores recently and got this answer, quoted from mattkime's Macrumors link:
"It does not void the warranty on the Macbook Pro classic to replace your hard drive.
Apple's official stance is, if you break it, then you void the warranty, but if you can take it apart properly without breaking anything and replace the drive, then your warranty will remain intact. I know this 100 percent because I replaced my own harddrive on my revision A MBP, and later when I had logic board problems, the warranty still worked fine and the genius told me that Apple would not cover the hard drive anymore, but everything else was warrantied."
"It does not void the warranty on the Macbook Pro classic to replace your hard drive.
Apple's official stance is, if you break it, then you void the warranty, but if you can take it apart properly without breaking anything and replace the drive, then your warranty will remain intact. I know this 100 percent because I replaced my own harddrive on my revision A MBP, and later when I had logic board problems, the warranty still worked fine and the genius told me that Apple would not cover the hard drive anymore, but everything else was warrantied."