MacBook Air 11" Mid 2013 Left Speaker Replacement

Remove the following ten screws:

Two 8 mm 5-point Pentalobe screws

Eight 2.5 mm 5-point Pentalobe screws

Wedge your fingers between the display and the lower case and pull upward to pop the lower case off the Air.

Use the flat end of a spudger to pry both short sides of the battery connector upward to disconnect it from its socket on the logic board.

Bend the battery cable slightly away from the logic board so the connector will not accidentally bend back and make contact with its socket.

Remove the following five screws securing the battery to the upper case:

Two 5.2 mm T5 Torx screws

One 6 mm T5 Torx screw

Two 2.6 mm T5 Torx screws

Lift the battery from its edge nearest the logic board and remove it from the upper case.

Charge it to 100%, and then keep charging it for at least 2 more hours. Next, unplug and use it normally to drain the battery. When you see the low battery warning, save your work, and keep your laptop on until it goes to sleep due to low battery. Wait at least 5 hours, then charge your laptop uninterrupted to 100%.

If you notice any unusual behavior or problems after installing your new battery, you may need to reset your MacBook's SMC.

Use the flat end of a spudger to pry the I/O board cable connector up off its socket on the I/O board.

Bend the cable away from the I/O board.

Use the tip of a spudger to de-route the left speaker cable from the notch cut into the edge of the I/O board.

Use the flat end of a spudger to pry the left speaker connector up and out of its socket on the I/O board.

Use the flat end of a spudger to pry the left speaker off the adhesive securing it to the upper case.

Remove the left speaker from the upper case.