I was also a victim of the G5 liquid cooling problems.Although it is in French, the page is very well documented and one can see what looks like the beginning of a premature death. Note: the page is very slow to load due to the many photos.
This Saturday, I disassembled my machine and I made a small guide on my site.
Here is the relevant page: http://nysoyan.free.fr/Eaglefour/PowermacG5.html
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Apple
CD Drives
G5
Hard Drive
Internet
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iPhone
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Laptop
MacBidouille
Mac Intel
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PC
Peripheral
Software
Sound
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