Step 10
Disconnect the trackpad and keyboard ribbon cable from the logic board.
Remove the upper case.
Step 11 — Left Fan
Lift up the left speaker assembly with one hand and deroute the inverter cable from the top right corner of the speaker assembly.
Step 12
Disconnect the pink and black left speaker assembly cable from the left I/O board. Be sure to pull only on the white connector and not on the speaker wires.