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The following 3 Mac models have Liquid Coolant systems:
M9457LL/A PowerMac G5 Dual 2.5 Ghz
M9592LL/A PowerMac G5 Quad 2.5 Ghz
M9749LL/A PowerMac G5 Dual 2.7 Ghz
In rare scenarios they might leak, or need replacement of the coolant to prevent themselves from overheating. If your system experiences unexpected shut downs, or you notice green or red liquid spilling out the back and have one of these models, it may be a sign the coolant system is in need of repair. Consult with AppleCare to find out if yours experiencing such issues.
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