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Sennheiser Momentum 4 Left Driver Assembly Replacement

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  1. Sennheiser Momentum 4 Left Driver Assembly Replacement, Ear Pads: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Sennheiser Momentum 4 Left Driver Assembly Replacement, Ear Pads: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Insert a spudger into the seam between the left ear pad and driver assembly.

    • Gently pry around the perimeter of the ear pad until it fully releases.

    • Remove the left ear pad.

    • Repeat for the right ear pad if necessary.

  2. Sennheiser Momentum 4 Left Driver Assembly Replacement, Battery: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Sennheiser Momentum 4 Left Driver Assembly Replacement, Battery: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Use a Phillips #00 screwdriver to remove the four 6.5 mm screws that secure the left driver housing.

  3. Sennheiser Momentum 4 Left Driver Assembly Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Insert the flat end of a spudger into the driver housing seam.

    • Gently pry the driver housing up and out, with care not to strain or damage the connected cables.

  4. Sennheiser Momentum 4 Left Driver Assembly Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Carefully lift away the driver housing out and flip it over to reveal the battery cover.

    • Use tweezers to pull the white battery connector directly out of the daughterboard socket.

    • It disconnects similarly to removing a plug from a socket.

  5. Sennheiser Momentum 4 Left Driver Assembly Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Use the flat end of a spudger to pry open the retaining clips on the battery cover and remove it carefully.

  6. Sennheiser Momentum 4 Left Driver Assembly Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Sennheiser Momentum 4 Left Driver Assembly Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Insert the flat end of a spudger between the lower edge of the battery and the battery housing.

    • Do not bend, warp, or puncture the battery.

    • Gently lift the battery upward to release the adhesive that secures the battery.

    • If necessary, use a hairdryer to lightly heat the battery to loosen the adhesive.

    • Remove the battery.

  7. Sennheiser Momentum 4 Left Driver Assembly Replacement, Left Driver Assembly: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Desolder the two driver assembly motherboard connections.

    • Remove the driver assembly.

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To reassemble your device, follow the above steps in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting or ask our Answers community for help.

Connor

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