See post for details. (Added this to the page on G5 Tower Random Shutdowns and the PowerMac G5 Coolant Leaks page also - from the list of replacement parts it sounds like there was a leak, although the absorber mat may have masked that from his initial inspection.) Note unlike most reports here - I think his AppleCare warranty had not expired yet. Some readers with systems out of warranty also got replacement mac pro systems however.

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