Replacement Note: Before re-installing the front fan assembly in the enclosure, make sure that the fan cables are routed correctly in the fan channel.

Replacement Note: Make sure all AirPort and Bluetooth antenna wires are out of the way before lowering the fan assembly onto the logic board.

Replacement Note: When lowering the front fan into the enclosure, slide the guide on the base of the fan assembly into the channel on the speaker assembly.