Hi BigKahuna,
Welcome to Sony Community!
We're sorry to hear about what happened after your replace the fan. Please make sure that the cables and other wires are properly connected. If the issue still persist then we suggest that you bring the laptop to a service center to diagnose and check properly.
Please refer to this link to find an Authorized Repair Center within your area, https://esupport.sony.com/CA/p/service.pl
Regards,
Jen
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