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by azurelogic 3104 days ago
Dust-clogged fans and degraded thermal paste can also be a factor, particularly after 3 years.

iFixit guide for removing your heatsink: https://www.ifixit.com/Guide/MacBook+Pro+13-Inch+Retina+Disp...

My favorite thermal paste: https://noctua.at/en/nt-h1.html