iFixit

Using the flat end of a spudger, pry the I/O Board connector straight up out of its socket on the logic board.

In a similar fashion, remove the I/O Board connector from its socket on the I/O Board.

Remove the I/O Board cable from the MacBook Pro.

Remove the single 2.9 mm T5 Torx screw securing the AirPort card to the logic board.

Grasp the side of the AirPort card and pull parallel to the logic board, removing the AirPort card from the MacBook Pro.

Use the tip of a spudger to flip up the retaining flap on the right fan ribbon cable ZIF socket.

Be sure you are prying up on the hinged retaining flap, not the socket itself.

Gently pry up the right fan ribbon cable from the logic board.

Remove the following three screws securing the right fan to the logic board:

• One 4.4 mm T5 Torx screw
• One 3.9 mm T5 Wide Head Torx screw
• One 5.0 mm T5 Torx screw

Lift and remove the right fan out from the MacBook Pro.

Use the flat end of a spudger to lift the rubber heat sink cover up off the left fan.

Remove the following three screws securing the left fan to the logic board:

• One 4.4 mm T5 Torx screw
• One 5.0 mm T5 Torx screw
• One 3.9 mm T5 Wide Head Torx screw