Nah - you won't need to worry. The 2.5GHz Quad PowerMac G5s, with the four CPU execution cores had liquid cooling, not the dual-single core models like ours.
Yours has probably been discarded because it's just, well, old now! There are far faster machines on the block these days. It still doesn't detract from the G5's real-world performance though, they are still plenty quick - especially with graphical applications.
The liquid-cooled CPU assembly - pretty freakin' funky for its day:
Leon - my apologies for diverting the original thread. It's turned into a bit of an Apple-fest. Sorry!
