Remove the following pentalobe screws securing the lower case to the MacBook Pro with Retina display.

• Eight 3.0 mm
• Two 2.3 mm

Lifting from the edge nearest the clutch cover, lift the lower case off the MacBook Pro.

Set the lower case aside.

Peel back the warning label covering the battery connector.

Using the flat end of a spudger, gently pry the battery connector straight up out of its socket on the logic board.

Bend the battery cables back and out of the way, ensuring that the battery connector doesn't accidentally make contact with the logic board.

Use the tip of a spudger to pry the three AirPort antenna cables straight up off of their sockets on the AirPort board.

Use the tip of a spudger to push the camera cable connector out of its socket on the logic board.

• Be sure to push parallel to the board, pushing first on one side, then the other to "walk" the connector out of its socket.

Insert the flat end of a spudger underneath the rubber heat sink cover on the right fan.

Slide the spudger underneath the length of the cover, releasing the adhesive.

Lift the cover and flip it back so that you can access the cables underneath.

Use your fingers to pull the AirPort/Camera cables up off the fan.

• The cables are adhered to the fan, so peel them up carefully to prevent ripping any.

Carefully de-route the cables from the plastic cable guide.