My left fan is not working as well and my track pad is barely working. I made my MBP worse than it was. Cannot recommend even for seasoned computer builders.
Both speaker connectors snapped off the motherboard under almost no resistance. Camera mount on motherboard also instant snapped off.
If I had to do it again I would not disassemble the whole computer because of fear of solvent destroying the speakers, the connectors on the motherboard are too fragile.